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Journal articles on the topic 'Umbrian Art'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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1

Poeschel, Sabina. "A Hitherto Unknown Portrait of a Weil-Known Roman Humanist*." Renaissance Quarterly 43, no. 1 (1990): 146–54. http://dx.doi.org/10.2307/2861795.

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The Sala delle Arti Liberali of the Vatican Borgia apartment has never been the subject of comprehensive research. The sala is one of the private rooms of Alexander VI Borgia which were decorated between 1492 and 1494 by Bernardino Pinturicchio and his school. The frescoes in this particular room, of the allegories of the Liberal Arts, are not by the master himself but were executed by minor Umbrian painters; they have never, therefore, attracted great art-historical attention.

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2

Luneia, Stefano, Riccardo Zannoli, Marco Farchioni, Michele Sensidoni, and Roberto Luneia. "Craft Beers made with Addition of Umbrian Legumes: Healthy and Nutritional Characterization." Natural Product Communications 13, no. 9 (September 2018): 1934578X1801300. http://dx.doi.org/10.1177/1934578x1801300915.

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Legumes are very rich in phytochemicals and in particular isoflavones. In this work we have developed techniques to get the brewing craft beers made with the addition of Umbrian legumes (chickling and lentils), to verify if the healthy and nutritional characteristic of these product change. The results obtained show that probably during the processes of cooking and fermentation a transfer of the biologically active substances from the “special ingredients” to the finished beer takes place. From healthy and nutritional characterization of the beers important results emerged: an interesting mineral profile and a large content of molecules with antioxidant activity like phenolic compounds (350–630 mg/L). It should also be noted that within the group of phenolic compounds present in these beers were also found interesting amount of isoflavones in particular genistin and daidzin, which in addition to being powerful antioxidants have other beneficial effects and therefore can act in the prevention of cancer, inflammatory, cardiovascular, postmenopausal, cognitive, and immune diseases.

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3

Tan, Pelin. "Infraestructura de umbral." ARQ (Santiago), no. 99 (August 2018): 50–59. http://dx.doi.org/10.4067/s0717-69962018000200050.

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4

Ayala, María Dolores, Marta Arizcun, Alicia García-Alcázar, Ramón Irles, and Emilia Abellán. "Effect of the photoperiod on the larval development, body growth and muscle cellularity of shi drum (Umbrina cirrosaL.)." Aquaculture Research 48, no. 5 (April 25, 2016): 2428–37. http://dx.doi.org/10.1111/are.13079.

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5

Desibio, Luca. "Il Tevere come frontiera tra Umbria ed Etruria." Mélanges de l'École française de Rome. Antiquité, no. 132-1 (June 10, 2020): 17–35. http://dx.doi.org/10.4000/mefra.9796.

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6

Duncan, John, and Jeffrey Harvey. "The umbral moonshine module for the unique unimodular Niemeier root system." Algebra & Number Theory 11, no. 3 (May 6, 2017): 505–35. http://dx.doi.org/10.2140/ant.2017.11.505.

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Borri, Antonio, Marco Corradi, Giulio Castori, Romina Sisti, and Alessandro De Maria. "Analysis of the collapse mechanisms of medieval churches struck by the 2016 Umbrian earthquake." International Journal of Architectural Heritage 13, no. 2 (February 8, 2018): 215–28. http://dx.doi.org/10.1080/15583058.2018.1431731.

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Padeletti, G., and P. Fermo. "How the masters in Umbria, Italy, generated and used nanoparticles in art fabrication during the Renaissance period." Applied Physics A: Materials Science & Processing 76, no. 4 (March 1, 2003): 515–25. http://dx.doi.org/10.1007/s00339-002-1935-1.

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9

Peacock, D. P. S. "The Production of Roman Millstones Near Orvieto, Umbria, Italy." Antiquaries Journal 66, no. 1 (March 1986): 45–51. http://dx.doi.org/10.1017/s000358150008447x.

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In 1980, it was suggested on petrological grounds that during the Roman period Orvieto was an important source of Pompeian-style mills. In 1985, a short programme of field work led to the discovery of the quarry site. This paper assesses the evidence for leucitite quarrying near Orvieto and describes newly discovered production waste.

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10

Zhumagazin, Zhanbolat. "Evolution of opera at early stages of development as a musical theater." Pedagogy and Psychology 42, no. 1 (March 30, 2020): 230–36. http://dx.doi.org/10.51889/2020-1.2077-6861.29.

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The opera originated in Italy. Researchers, right up to the exact date, say the time, when the first piece of music, called the opera today, was written. Nevertheless, the opera form has its own history, despite the fact that it was still a new art form at that time. The roots of this musical style go back to the musical everyday life of ancient Italian village entertainments, so-called «May» games, accompanied by songs and dramatic performances. Around the middle of the 13th century, in Umbria on the squares, people began to hold lauds, religious chants on the plots of gospel themes, which became in the next two centuries the basis for sacred performances (sacre rappresentazioni), a genre close to the mystery. In it, the music was also closely associated with the dramatic action. Thus, the opera, having arisen at the end of the 16th century as a kind of theatrical performance, accompanied by music, has its roots deep into the centuries of the Italian folk art. So, in the vocal class, it is necessary to acquaint students with the works of great composers, genres of musical art, theatrical productions and acting. At the same time, vocals, plastic, dance, acting – all this should be present in the future specialist at the highest professional level.

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Farinella, Alessandro G. "Giordano Bruno: Neoplatonism and the Wheel of Memory in the De Umbris Idearum." Renaissance Quarterly 55, no. 2 (2002): 596–624. http://dx.doi.org/10.2307/1262319.

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Bruno's attempt to integrate the principles of Ficino's Neoplatonic metaphysics to the Thomistic subalternatio scientiarum led him to incorporate new techniques into his art of memory. His use of the wheel of memory in De umbris idearum produced various philosophical perspectives. Nevertheless, the theoretical basis of Bruno's philosophical system was his effort to address mathematics in a qualitative way. Analysis of Bruno's sources leads to an understanding of how he reconstructed and used them.

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12

Terrenato, Nicola. "Field survey methods in Central Italy (Etruria and Umbria)." Archaeological Dialogues 3, no. 2 (December 1996): 216–30. http://dx.doi.org/10.1017/s1380203800000775.

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The existence of regional traditions, in terms of methods and practices, has been an accepted fact in social sciences with a longer history than archaeology. In disciplines like anthropology and archaeology, with their strong emphasis on the description of phenomena that are peculiar to a given regional context, the development of a set of methodologies common to scholars dealing with the same region (a methodological ‘local knowledge’) has long been regarded as a natural tendency. It was only as a result of the main thrust connected with the appearance of processual archaeology that the idea (or should we say the myth?) of a universal methodology, i. e. one applicable to all contexts and periods, was developed. Thus, between the 1960s and the early 1980s, in parallel with a very positive standardization and intensification of archaeological techniques, a great effort went into the quest for an ultimate and universal field methodology (Binford 1964). As a result, a very wide agreement was reached fairly soon in some areas; for instance, as far as excavation is concerned, a kind of common practice was established, thanks to figures like Ph. Barker (1977) and E. C. Harris (1979). For some reason field survey has experienced a far less unilinear evolution, with sharp debates arising ever since the earliest attempts at a definition of a modern methodology (see for example the entertaining Hope-Simpson versus Cherry controversy, or the even more amusing debate imagined in Flannery 1976, 131–136).

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Stoddart, Simon, Pier Matteo Barone, Jeremy Bennett, Letizia Ceccarelli, Gabriele Cifani, James Clackson, Irma della Giovampaola, et al. "OPENING THE FRONTIER: THE GUBBIO–PERUGIA FRONTIER IN THE COURSE OF HISTORY." Papers of the British School at Rome 80 (September 24, 2012): 257–94. http://dx.doi.org/10.1017/s0068246212000128.

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The frontier between Gubbio (ancient Umbria) and Perugia (ancient Etruria), in the northeast part of the modern region of Umbria, was founded in the late sixth centurybc. The frontier endured in different forms, most notably in the late antique and medieval periods, as well as fleetingly in 1944, and is fossilized today in the local government boundaries. Archaeological, documentary and philological evidence are brought together to investigate different scales of time that vary from millennia to single days in the representation of a frontier that captured a watershed of geological origins. The foundation of the frontier appears to have been a product of the active agency of the Etruscans, who projected new settlements across the Tiber in the course of the sixth centurybc, protected at the outer limit of their territory by the naturally defended farmstead of Col di Marzo. The immediate environs of the ancient abbey of Montelabate have been studied intensively by targeted, systematic and geophysical survey in conjunction with excavation, work that is still in progress. An overview of the development of the frontier is presented here, employing the data currently available.

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Aringoli, Domenico, Piero Farabollini, Gilberto Pambianchi, Marco Materazzi, Margherita Bufalini, Emy Fuffa, Matteo Gentilucci, and Gianni Scalella. "Geomorphological Hazard in Active Tectonics Area: Study Cases from Sibillini Mountains Thrust System (Central Apennines)." Land 10, no. 5 (May 11, 2021): 510. http://dx.doi.org/10.3390/land10050510.

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In many areas of the Umbria-Marche Apennines, evident traces of huge landslides have been recognized; these probably occurred in the Upper Pleistocene and are conditioned by the tectonic-structural setting of the involved Meso-Cenozoic formations, in a sector of the Sibillini Mountains (central Italy). The present work aimed to focus on a geomorphological hazard in the tectonic-structural setting of a complex area that is the basis of several gravitational occurrences in different types and mechanisms, but nonetheless with very considerable extension and total destabilized volume. An aerophoto-geological analysis and geomorphological survey allowed verification of how the main predisposing factor of these phenomena is connected with the presence in depth of an important tectonic-structural element: the plane of the Sibillini Mountains thrust, which brings the pre-evaporitic member of the Laga Formation in contact with the Cretaceous-Eocene limestone lithotypes (from the Maiolica to the Scaglia Rosata Formations) of the Umbria-Marche sedimentary sequence. Another important element for the mass movements activation is the presence of an important and vast water table and related aquifer, confined prevalently by the different structural elements and in particular by the thrust plane, which has acted and has continued to act, weakening the rocky masses and the overlaying terrains.

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Stinger, Charles L. "Comuni e Signorie in Umbria, Marche e Lazio.Jean-Claude Maire Vigueur." Speculum 65, no. 1 (January 1990): 189–92. http://dx.doi.org/10.2307/2864517.

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Rodríguez González, Alberto. "El Corno Emplumado y la vanguardia en el umbral de la nueva era." Sincronía XXV, no. 80 (July 3, 2021): 383–416. http://dx.doi.org/10.32870/sincronia.axxv.n80.18b21.

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This article analyzes the case of the Mexican magazine El Corno Emplumado and its role as an avant-garde publication based on Renato Poggioli's idea of avant-garde movement and the notions of epoch threshold and aesthetics of threshold formulated by Hans Robert Jauss and Luciana del Gizzo, respectively. The intention is to examine the way in which the magazine edited by Margaret Randall and Sergio Mondragón updates the utopian impulse of the avant-gardes based on their vision that social change at the beginning of the 60s of the 20th century would come thanks to renewal spirituality that only art and poetry could provide. Additionally, it investigates the way in which the magazine reconfigures the avantgarde myth of the new beginning from its postulate of the advent of a new era, the era of the man of air. All this in order to discuss the possibility of thinking about the presence of an avant-garde continuity in Mexican literature throughout the 20th century.

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17

Malone, Caroline, and Simon Stoddart. "The neolithic site of San Marco, Gubbio (Perugia), Umbria: survey and excavation 1985–7." Papers of the British School at Rome 60 (November 1992): 1–69. http://dx.doi.org/10.1017/s006824620000979x.

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RICOGNIZIONE E SCAVO DEL SITO NEOLITICO DI SAN MARCO, GUBBIO (PERUGIA), UMBRIA, 1985–7La ricognizione e lo scavo dell'insediamento di San Marco rappresenta uno dei pochi esempi di studio interdisciplinare compiuti nell'Italia centrale e riguardante un sito neolitico. Sono stati studiati in maniera approfondita i vari aspetti geologici ed ambientali del sito, collocato su un conoide alluvionale. Sono state inoltre ottenute date al 14C, eseguite con l'AMS direttamente su materiali organici associati con la sussistenza umana, che hanno permesso di attribuire il sito ad una prima fase dell'età neolitica (fine del sesto-inizio del quinto millennio a.C, date calibrate). L'industria litica mostra una chiara continuità con la precedente tecnologia epipaleolitica, mentre le ceramiche rinvenute possono essere attribuite alle correnti stilistiche della Ceramica Impressa e a quella di Sasso-Fiorano. Le analisi dei prodotti di sussistenza (fauna e resti botanici) rivelano un'economia basata principalmente sull'agricoltura, integrata a sua volta con prodotti ottenuti tramite attività di caccia e raccolta.

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Wang, Bingshu, and C. L. Philip Chen. "Local Water-Filling Algorithm for Shadow Detection and Removal of Document Images." Sensors 20, no. 23 (December 4, 2020): 6929. http://dx.doi.org/10.3390/s20236929.

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Shadow detection and removal is an important task for digitized document applications. It is hard for many methods to distinguish shadow from printed text due to the high darkness similarity. In this paper, we propose a local water-filling method to remove shadows by mapping a document image into a structure of topographic surface. Firstly, we design a local water-filling approach including a flooding and effusing process to estimate the shading map, which can be used to detect umbra and penumbra. Then, the umbra is enhanced using Retinex Theory. For penumbra, we propose a binarized water-filling strategy to correct illumination distortions. Moreover, we build up a dataset called optical shadow removal (OSR dataset), which includes hundreds of shadow images. Experiments performed on OSR dataset show that our method achieves an average ErrorRatio of 0.685 with a computation time of 0.265 s to process an image size of 960×544 pixels on a desktop. The proposed method can remove the shading artifacts and outperform some state-of-the-art methods, especially for the removal of shadow boundaries.

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García-Mollá, Rafael, Patricia Sánchez Rubio, Jorge Bonaque Alandí, María Auxiliadora Carrasco Herrera, and Françoise Lliso Valverde. "Implementación y uso clínico de la radioterapia adaptativa. Informe del grupo de trabajo de radioterapia adaptativa de la Sociedad Española de Física Médica (SEFM)." Revista de Física Médica 22, no. 1 (March 11, 2021): 123–66. http://dx.doi.org/10.37004/sefm/2021.22.1.004.

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La radioterapia adaptativa (Adaptive Radiation Therapy, ART) se puede definir como la modificación del plan de tratamiento administrado a un paciente durante el curso de la radioterapia para tener en cuenta los cambios en la anatomía. La aplicación de ART supone un cambio en el proceso radioterápico que implica el uso de numerosos recursos adicionales, no estando implementada de forma general. Así, aun tratándose de una idea introducida hace más de 20 años, todavía a fecha de hoy son objeto de estudio muchos de los aspectos que definen la ART: la decisión de proceder a la nueva planificación del tratamiento, el momento óptimo para adaptar el plan, el umbral dosimétrico o anatómico que define la necesidad de adaptar y la identificación de los pacientes que realmente se beneficiarían de la adaptación del tratamiento. Este informe del Grupo de Trabajo sobre ART de la Sociedad Española de Física Médica (SEFM) tiene como objetivo describir los principios de esta técnica, así como los elementos necesarios para su implementación. Se exponen las dos estrategias principales atendiendo al momento de su aplicación: offline, para actuar ante los cambios progresivos que se observan durante el tratamiento, y online, para mitigar los cambios aleatorios. Se revisa el estado actual de ART aplicado a la práctica clínica para diferentes localizaciones anatómicas. Se describen algunos de los instrumentos clave para su implementación: los algoritmos de registro deformable (Deformable Image Registration, DIR), exponiendo las principales métricas de similitud, los métodos de optimización de la similitud, y los modelos de deformación utilizados, analizando las características de los algoritmos de los softwares más utilizados. Además, dada la importancia que tiene conocer la incertidumbre adicional que introduce el uso de los algoritmos DIR (sobre todo cuando se utilizan para deformar la matriz de dosis absorbida) se dedica un apartado a la validación de estos algoritmos, incluyendo los resultados para los principales softwares comerciales disponibles actualmente. Por último, se presentan unas recomendaciones a la hora de aplicar ART en la práctica clínica.

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Cooper, Donal. "Franciscan Choir Enclosures and the Function of Double-Sided Altarpieces in Pre-Tridentine Umbria." Journal of the Warburg and Courtauld Institutes 64 (2001): 1. http://dx.doi.org/10.2307/751560.

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21

Ardavín, Carlos X. "La transición democrática en el periodismo político de Francisco Umbral." Arbor 163, no. 642 (June 30, 1999): 179–85. http://dx.doi.org/10.3989/arbor.1999.i642.1617.

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22

Ceccarelli, Letizia. "PRODUCTION AND TRADE IN CENTRAL ITALY IN THE ROMAN PERIOD: THE AMPHORA WORKSHOP OF MONTELABATE IN UMBRIA." Papers of the British School at Rome 85 (October 2017): 109–41. http://dx.doi.org/10.1017/s0068246217000058.

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The object of study in this paper is four unpublished kilns excavated in 2012 at Montelabate (Perugia, Italy), in the framework of the Montelabate Project. The workshop, in use from the mid-first to the fifth century AD, which produced amphorae, coarseware and tile, offers an interesting model for the study of the economy of production in Regio VI (Umbria). The location of the workshop allows the exploration of wider issues such as connectivity, changes in local and regional markets, and continuity in the exploitation of natural resources: the site had a rich clay deposit and was surrounded by densely forested hills, whilst the flat fertile fields were suitable for agriculture and wine production; connectivity was ensured by the river Ventia, a tributary of the Tiber, and by an internal road that joined the Via Flaminia. The paper discusses the substantial number of failed flat-bottomed wine amphorae of the Spello type, discovered at Montelabate, that revealed a large-scale production with little standardization, as eight different local types were identified. The manufacturing complex provides new evidence for a production system that played an important role on a larger regional scale as well as in the local economic network, which continued until the fifth century AD.

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Fernandez Rodriguez, Emilio, Oscar Romero Ramos, Rafael Merino Marbán, and Alejandro Cañas del Palacio. "Umbral Anaeróbico. Problemas conceptuales y aplicaciones prácticas en deportes de resistencia (Anaerobic Threshold. Conceptual problems and practical applications in endurance sports)." Retos, no. 36 (December 13, 2018): 521–28. http://dx.doi.org/10.47197/retos.v36i36.61883.

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El objeto de este artículo fue mostrar el excesivo entramado terminológico relacionado con el entrenamiento del umbral anaeróbico (UAN). Faude, Kindermann y Meyer (2009) encontraron 25 acepciones diferentes sobre el termino umbral. A pesar de ello, se dan unas pautas didácticas sobre diversos aspectos relacionados con su entrenamiento (pruebas de esfuerzo, frecuencia cardiaca, factores de rendimiento, planificación…). Se describe como entrenan el UAN los mejores fondistas del mundo, como lo distribuyen en zonas de entreno o, en qué parte de la temporada lo aplican en función de los modelos de planificación más habituales. En general, los fondistas de máximo nivel lo aplican de forma polarizada y en poca cantidad respecto al volumen total del año y a otras zonas de entrenamiento.Abstract. The purpose of this paper was to highlight the excessive terminological framework related with anaerobic threshold (ANt). Faude, Kindermann and Meyer (2009) found 25 different definitions about the term threshold. Despite this, it is possible to give didactic guidelines on various aspects related to their training (lab test, heart rate, factors of performance, scheduling). These guidelines show how the best athletes in the world train the ANt, how they distribute it in training zones, or in what part of the season they apply it according to the most usual planning models. In general, the top-level runners apply it in a polarized way, as well as in a small amount with respect to the total volume of the year and other training zones.

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Soranzo, Matteo. "‘Umbria pieridum cultrix’ (Parthenopeus, I. 18): Poetry and Identity in Giovanni Gioviano Pontano (1429–1503)." Italian Studies 67, no. 1 (March 1, 2012): 23–36. http://dx.doi.org/10.1179/174861812x13202431699967.

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Coarelli, Filippo, Stephen Kay, Helen Patterson, Rose Ferraby, and Sophie Hay. "Investigations at Falacrinae, the birthplace of Vespasian." Papers of the British School at Rome 76 (November 2008): 47–73. http://dx.doi.org/10.1017/s0068246200000416.

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Fin dal 2005 la British School at Rome con l'Università di Perugia e la Soprintendenza per i Beni Archeologici del Lazio sta conducendo uno studio sistematico del territorio di Cittareale, situato sulle montagne appenniniche a nord-est di Rieti, lungo la Via Salaria, sul confine tra le regioni Lazio, Umbria e Marche. Il progetto è parte di una serie più ampia di eventi programmati per il 2009 per ricordare il bimillenario della nascita di Vespasiano, ed è focalizzato principalmente sulla localizzazione e lo scavo del vicus di Falacrinae, dove Svetonio riporta che nacque l'imperatore. Il progetto ha comportato come prima cosa un programma di indagine di superficie, quindi l'analisi di una serie di siti attraverso la ricognizione geofisica, e lo scavo. Questo contributo presenta i risultati delle ricognizioni geofisiche e li compara con le evidenze emerse dallo scavo.

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Macrae, Duncan E. "The Freedman's Story: an Accusation of Witchcraft in the Social World of Early Imperial Roman Italy (CIL11.4639 =ILS3001)." Journal of Roman Studies 108 (July 19, 2018): 53–73. http://dx.doi.org/10.1017/s0075435818000503.

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AbstractThis article proposes a new reading of a late first-centuryc.e.inscribed dedication from Todi (Umbria) as an accusation of witchcraft, a rhetorical text aimed at propagating a particular story among the local community. Historical and anthropological studies of witchcraft accusations in other societies have emphasised how they can reveal tensions and anxieties that are normally not visible to the observer. By drawing on these studies and close examination of the language and content of the inscription, this article analyses an historical agent's experience of the social structure of early imperial Italy. The accusation is read as a freedman's response to his ambiguous position in a slave society, the ambivalent power of writing in Roman culture and the religious claims of Flavian imperial discourse.

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Vásquez, Malva Marina, and Constanza Vargas. "TÓPICO HISTORIA Y FICCIÓN: HETEROGENEIDAD LATINOAMERICANA EN UMBRAL DE JUAN EMAR." Alpha (Osorno), no. 36 (July 2013): 9–28. http://dx.doi.org/10.4067/s0718-22012013000100002.

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Rojas, Mara Leticia, Pablo Daniel Monterubbianesi, and Carlos Darío Dabús. "No linealidades y efectos umbral en la relación capital humano-crecimiento económico." Cuadernos de Economía 38, no. 77 (July 1, 2019): 425–59. http://dx.doi.org/10.15446/cuad.econ.v38n77.67984.

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Este artículo analiza la relación capital humano-crecimiento (considerando el primero con un enfoque amplio que involucra salud y educación) para 86 países en el periodo de 1960 a 2010. El objetivo es evaluar la presencia de no linealidades y efectos umbral mediante técnicas de panel paramétricas y semiparamétricas. Los resultados muestran: a) evidencia notoria de no linealidades en la educación, con un rango de valores medios de educación (e ingresos) para los cuales la relación es negativa (efectos umbral); b) evidencia de no linealidades para la salud, aunque el efecto es más suave; y c) gran dispersión en la relación educación-crecimiento a niveles medios y altos de ingresos.

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Molina Vidal, J., I. Grau Mira, F. Llidó López, and J. F. Álvarez Tortosa. "Housing slaves on estates: a proposed ergastulum at the Villa of Rufio (Giano dell'Umbria)." Journal of Roman Archaeology 30 (2017): 387–406. http://dx.doi.org/10.1017/s1047759400074171.

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In the framework of archaeological surveys conducted in 2002-3 for the Soprintendenza per i Beni Archeologici dell'Umbria around the Via Flaminia, the Società Cooperativa Kronos discovered the site known as the “Villa of Rufio” (the name comes from an inscription dedicated to Caius Iulius Rufio). After 4 excavation campaigns (2003-6) the monumental character of a large villa was established, and in 2007 a team from the University of Alicante led by the first-named author began fieldwork, focusing on the analysis of agricultural and commercial production patterns through an examination of the type of manpower in use during the Augustan era. The site lies in the village of Giano dell'Umbria (Perugia), in the foothills of Gualdo Cataneo-Montefalco of southern Umbria (fig. 1). To the north is the Roman town of Mevania (Bevagna), to the south the Martani mountains, at the foot of which lies Mansio Ad Martis (Massa Martana).

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Ardila J., Clemencia. "La escritura del duelo, de Victoria Eugenia Díaz Facio Lince (2019). Ediciones Uniandes - Universidad EAFIT, 282 p." Co-herencia 17, no. 33 (October 30, 2020): 281–87. http://dx.doi.org/10.17230/co-herencia.17.33.10.

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A la lectura de La escritura del duelo de Victoria Eugenia Díaz Facio Lince -psicóloga, magíster en Ciencias Sociales y doctora en Humanidades; profesora e investigadora de la Universidad de Antioquia-, se nos introduce con un epígrafe del escritor español Francisco Umbral.

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Kersten, Timo, Viktor Leis, and Thomas Neumann. "Tidy Tuples and Flying Start: fast compilation and fast execution of relational queries in Umbra." VLDB Journal 30, no. 5 (June 2, 2021): 883–905. http://dx.doi.org/10.1007/s00778-020-00643-4.

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AbstractAlthough compiling queries to efficient machine code has become a common approach for query execution, a number of newly created database system projects still refrain from using compilation. It is sometimes claimed that the intricacies of code generation make compilation-based engines too complex. Also, a major barrier for adoption, especially for interactive ad hoc queries, is long compilation time. In this paper, we examine all stages of compiling query execution engines and show how to reduce compilation overhead. We incorporate the lessons learned from a decade of generating code in HyPer into a design that manages complexity and yields high speed. First, we introduce a code generation framework that establishes abstractions to manage complexity, yet generates code in a single fast pass. Second, we present a program representation whose data structures are tuned to support fast code generation and compilation. Third, we introduce a new compiler backend that is optimized for minimal compile time, and simultaneously, yields superior execution performance to competing approaches, e.g., Volcano-style or bytecode interpretation. We implemented these optimizations in our database system Umbra to show that it is possible to unite fast compilation and fast execution. Indeed, Umbra achieves unprecedentedly low query latencies. On small data sets, it is even faster than interpreter engines like DuckDB and PostgreSQL. At the same time, on large data sets, its throughput is on par with the state-of-the-art compiling system HyPer.

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Wilson, Blake. "The Monophonic Lauda and the Lay Religious Confraternities of Tuscany and Umbria in the Late Middle Ages.Cyrilla Barr." Speculum 66, no. 3 (July 1991): 608–10. http://dx.doi.org/10.2307/2864231.

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FERRO, GUSTAVO BORGES, and STEPHEN A. MARSHALL. "A revision of the Neotropical ant-like genus Cardiacephala Macquart, including Plocoscelus Enderlein syn. nov. (Diptera: Micropezidae, Taeniapterinae)." Zootaxa 4429, no. 3 (June 7, 2018): 401. http://dx.doi.org/10.11646/zootaxa.4429.3.1.

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The Neotropical genus Cardiacephala Macquart (Diptera: Micropezidae, Taeniapterinae) is revised. Plocoscelus Enderlein is treated as a new junior synonym, and 15 new species (C. acuminata, C. aeruginosa, C. angularis, C. aspera, C. bulla, C. erugata, C. lobulosa, C. nicaraguensis, C. planivertex, C. rotunda, C. spinosa, C. umbra, C. velutinosa, C. venezuelensis and C. vitrata) are described. Plocoscelus nitidus Hennig is newly recognized as a synonym of C. camptomera, P. plurimaculatus Czerny is synonymized with C. arthritica (Wiedemann) and P. townsendi Cresson is synonymized with C. podagrica (Rondani).

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Blanco, Emilio. "«Chatarra por oro y oro por chatarra»: Francisco Umbral y Baltasar Gracián." Hipogrifo. Revista de literatura y cultura del Siglo de Oro 9, no. 1 (May 2021): 315–26. http://dx.doi.org/10.13035/h.2021.09.01.19.

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Walker, Janet. "‘Testimony in the umbra of trauma: film and video portraits of survival’." Studies in Documentary Film 1, no. 2 (October 3, 2007): 91–104. http://dx.doi.org/10.1386/sdf.1.2.91_1.

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Wyke, Maria. "Written Women: Propertius' Scripta Puella." Journal of Roman Studies 77 (November 1987): 47–61. http://dx.doi.org/10.2307/300574.

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The narrative organization of Propertius' first poetry-book seems to encourage a practice of reading the characters and events of his love elegy as real. The predominantly autobiographical mode allows the reader to equate the lover of the text with the author Propertius. Direct addresses to a beloved ‘Cynthia’ who is allocated physical and psychological characteristics suggest that the narrative's female subject has a life outside the text as Propertius' mistress. The illusion of a real world populated by real individuals is then sustained by various other formal mechanisms such as the regular deployment of addresses to the historically verifiable figure of Tullus or occasional references to the landscape of Baiae, Umbria and Rome. Having established a recognizable setting, the poetry-book seems even to account for its own existence as literary discourse with the claim that composition is a method of courtship. Writing is subsumed within and subordinated to an erotic scheme: Propertius writes to woo a woman.

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Lindner, P., R. Schlichenmaier, and N. Bello González. "Characterization of the umbra–penumbra boundary by the vertical component of the magnetic field." Astronomy & Astrophysics 638 (June 2020): A25. http://dx.doi.org/10.1051/0004-6361/202037716.

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Context. The vertical component of the magnetic field was found to reach a constant value at the boundary between penumbra and umbra of stable sunspots in a recent statistical study of Hinode/SP data. This finding has profound implications as it can serve as a criterion to distinguish between fundamentally different magneto-convective modes operating in the sun. Aims. The objective of this work is to verify the existence of a constant value for the vertical component of the magnetic field (B⊥) at the boundary between umbra and penumbra from ground-based data in the near-infrared wavelengths and to determine its value for the GREGOR Infrared Spectrograph (GRIS@GREGOR) data. This is the first statistical study on the Jurčák criterion with ground-based data, and we compare it with the results from space-based data (Hinode/SP and SDO/HMI). Methods. Eleven spectropolarimetric data sets from the GRIS@GREGOR slit-spectograph containing fully-fledged stable sunspots were selected from the GRIS archive. SIR inversions including a polarimetric straylight correction are used to produce maps of the magnetic field vector using the Fe I 15648 Å and 15662 Å lines. Averages of B⊥ along the contours between penumbra and umbra are analyzed for the 11 data sets. In addition, contours at the resulting B⊥const are drawn onto maps and compared to intensity contours. The geometric difference between these contours, ΔP, is calculated for each data set. Results. Averaged over the 11 sunspots, we find a value of B⊥const = (1787 ± 100) gauss. The difference from the values previously derived from Hinode/SP and SDO/HMI data is explained by instrumental differences and by the formation characteristics of the respective lines that were used. Contours at B⊥ = B⊥const and contours calculated in intensity maps match from a visual inspection and the geometric distance ΔP was found to be on the order of 2 pixels. Furthermore, the standard deviation between different data sets of averages along umbra–penumbra contours is smaller for B⊥ than for B∥ by a factor of 2.4. Conclusions. Our results provide further support to the Jurčák criterion with the existence of an invariable value B⊥const at the umbra–penumbra boundary. This fundamental property of sunspots can act as a constraining parameter in the calibration of analysis techniques that calculate magnetic fields. It also serves as a requirement for numerical simulations to be realistic. Furthermore, it is found that the geometric difference, ΔP, between intensity contours and contours at B⊥ = B⊥const acts as an index of stability for sunspots.

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Bonini, Marco, Chiara Tanini, Giovanna Moratti, Luigi Piccardi, and Federico Sani. "Geological and archaeological evidence of active faulting on the Martana Fault (Umbria-Marche Apennines, Italy) and its geodynamic implications." Journal of Quaternary Science 18, no. 8 (2003): 695–708. http://dx.doi.org/10.1002/jqs.785.

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Forgács-Dajka, Emese, László Dobos, and István Ballai. "Time-dependent properties of sunspot groups." Astronomy & Astrophysics 653 (September 2021): A50. http://dx.doi.org/10.1051/0004-6361/202140731.

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Aims. In this paper, we aim to study the time dependence of sunspot group areas in a large sample composed of various databases spanning over 130 years, used state-of-the-art statistical methods. Methods. For a carefully selected but unbiased sample, we use Bayesian modelling to fit the temporal evolution of the combined umbral and penumbral area of spot groups with a skew-normal function to determine the existence of any asymmetry in spot growth or decay. Our primary selection criteria guaranteed that only spot groups with a well-defined maximum area were taken into account. We also analysed the covariance of the resulting model parameters and their correlations with the physical parameters of the sunspots and the ongoing solar cycle. Results. Our results show that the temporal evolution of well-observed sunspot groups that reach at least 50 millionths of a solar hemisphere at their maximum can be fitted surprisingly well with our model. Furthermore, we show significant asymmetry – described by a skew parameter of fitted curves – between the growing and decaying phases of analysed sunspot groups. In addition, we found a weak correlation between the values of skew parameters and the maximum area of sunspot groups and their hemispherical latitude.

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Zárate Hernández, Eduardo, and Olivia Leal Sorcia. "Bibliografía para repensar la etnicidad en las metrópolis del siglo xxi." Andamios, Revista de Investigación Social 15, no. 36 (April 12, 2018): 227. http://dx.doi.org/10.29092/uacm.v15i36.608.

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En esta bibliografía privilegiamos trabajos publicados a partir del umbral del cambio de milenio, donde se abordan temas más específicos sobre procesos de cambio y reproducción sociocultural por parte de grupos étnicos, familias y sujetos indígenas, ya sea radicados, nacidos o avecindados en diversas metrópolis, principalmente mexicanas, españolas y latinoamericanas. Asimismo, se incluyen trabajos que abordan nuevas discusiones conceptuales en torno a procesos de sociabilidad urbana en escenarios multiculturales, pasando por el reconocimiento de ciudadanías étnicas plurales y el alcance de políticas multiculturalistas y de integración en centros urbanos recientemente nombrados como superdiversos.

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Barr, Paul M., Brian T. Hill, Shuo Ma, Andrea M. Baran, Andrew Bui, Philip J. Meacham, Ashley Morrison, et al. "A Phase 1/2 Study of Umbralisib Ublituximab and Venetoclax in Patients with Relapsed or Refractory Chronic Lymphocytic Leukemia (CLL)." Blood 134, Supplement_1 (November 13, 2019): 360. http://dx.doi.org/10.1182/blood-2019-123404.

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Background:Despite the effectiveness of novel agents in treating CLL, single agent use requires prolonged administration which can lead to drug resistance, toxicity and considerable cost over time. Combinations may provide deeper prolonged remissions using defined treatment durations. Umbralisib (Umbra) is a novel, highly-specific PI3Kδ inhibitor and ublituximab (Ubli) is a chimeric monoclonal antibody targeting a unique epitope on CD20 and glycoengineered to enhance antibody dependent cellular toxicity. Combining these agents with the BCL2 inhibitor venetoclax (Ven) may prevent drug resistance (Choudhary, Cell Death Dis 2015), avoid tumor lysis syndrome (TLS) and achieve undetectable minimal residual disease (MRD). This phase 1/2 trial evaluates the safety and efficacy of Umbra + Ubli + Ven for 12 cycles followed by MRD evaluation in relapsed or refractory CLL patients (pts). Methods:Pts received three 28-day cycles of Umbra daily along with Ubli, administered weekly during cycle 1, then once during cycles 2 and 3, followed by Umbra + Ven for 9 additional cycles. During the phase 1 study, dose levels including Umbra 600mg and 800mg were tested with Ubli 900mg and Ven, increased in standard fashion to 400 mg during cycle 4. The primary endpoint for phase 1 was safety; the primary endpoint for phase 2 was complete remission (CR) rate by iwCLL criteria. MRD negativity (<10-4by 8-color flow cytometry) was a key secondary endpoint with bone marrow and peripheral blood MRD negative pts stopping therapy after 12 cycles and other pts continuing on single agent Umbra. Results: 21 pts have been treated to date: 9 in phase 1 and 12 in phase 2. Baseline demographics were as follows: male/female (12/9), median age 65 yrs (range 49-83), median prior therapies 2 (1-5). 9 pts had prior ibrutinib of which 4 were BTK inhibitor refractory. BTK resistance mutations were found in 2 pts. High risk genetic features included unmutated IGHV genes (11 pts), del17p or del11q (7 pts), TP53 mut (1 pt), NOTCH1 mut (4 pts) and SF3B1 mut (1 pt). Baseline TLS risk was high, medium and low risk in 2, 12 and 7 pts respectively. During dose escalation, 3 pts were treated using Umbra 600mg and subsequently 6 pts using Umbra 800mg. No DLTs occurred, and the MTD was not reached. As such, the phase 2 dose used was Ubli 900 mg + Umbra 800 mg with venetoclax, undergoing ramp up to 400 mg. For all pts treated to date, the most common AEs were (all causality and all grade; >20% of pts) infusion reactions (62%), thrombocytopenia (57%), neutropenia (52%), anemia (52%), fatigue (52%), ALT or AST increase (43%), nausea (33%), diarrhea (29%) and headache (24%). Grade 1 creatinine increase, hypocalcemia and hyperkalemia were observed in 12 (57%), 6 (29%) and 5 (24%) of pts respectively. These AEs predominately occurred outside of venetoclax ramp up. Grade 3/4 AE's occurring in ≥ 2 pts included neutropenia (n=4, 19%), infusion reaction (n=2, 10%) and thromboembolism (n=2, 10%). No grade ≥ 3 PI3Kδ-associated toxicities were noted (0 events of pneumonitis, colitis or grade 3/4 transaminitis). No events of TLS were observed. One pt discontinued study treatment due to grade 3 rash. All pts were converted to low TLS risk after 3 cycles of Umbra + Ubli, except for 1 pt who remained medium risk after discontinuing Ubli secondary to a grade 3 infusion reaction, allowing outpatient venetoclax initiation in all pts. In evaluable pts, the overall response rate was 85% (11/13) after cycle 3, 100% (9/9) after cycle 7 and 100% (5/5) after cycle 12. Of the 5 pts who finished 12 cycles of therapy, a median reduction in nodal disease of 87% occurred resulting in 2 CRs and 3 PRs by iwCLL criteria. 4 pts have undetectable MRD (<0.01%) in both the peripheral blood and bone marrow and have stopped therapy. MRD was undetectable in peripheral blood and intermediate (0.01% - 1.0%) in the bone marrow for 1 pt who continues on Umbra. With a median f/u of 4.2 months (range 0.2-14.2), no pts have experienced disease progression. (Figure) Conclusion: We established the phase 2 dose of Umbra + Ubli + Ven and demonstrated good tolerability in pts with relapsed or refractory CLL. Preliminary results suggest that this chemotherapy-free regimen can provide undetectable MRD after only 12 cycles, representing an effective treatment plan for this population. Ongoing enrollment is focused on pts who have relapsed after BTK inhibitors and a multi-center trial is planned to further develop the triplet regimen. Figure Disclosures Barr: Gilead: Consultancy; AbbVie: Consultancy; Janssen: Consultancy; Verastem: Consultancy; Seattle Genetics: Consultancy; Celgene: Consultancy; Merck: Consultancy; Genentech: Consultancy; Astra Zeneca: Consultancy, Research Funding; TG Therapeutics: Consultancy, Research Funding; Pharmacyclics LLC, an AbbVie company: Consultancy, Research Funding. Hill:TG therapeutics: Research Funding; Abbvie: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; Genentech: Consultancy, Research Funding; Kite: Consultancy, Honoraria; Amgen: Research Funding; Takeda: Research Funding; Seattle Genetics: Consultancy, Honoraria; Pharmacyclics: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding; AstraZeneca: Consultancy, Honoraria; Celegene: Consultancy, Honoraria, Research Funding; Gilead: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees. Ma:Janssen: Consultancy, Speakers Bureau; Beigene: Research Funding; Pharmacyclics: Consultancy, Research Funding, Speakers Bureau; Novartis: Research Funding; Xeme: Research Funding; Juno: Research Funding; Incyte: Research Funding; Kite: Consultancy; Genentech: Consultancy; Acerta: Research Funding; Bioverativ: Consultancy; Astra Zeneca: Consultancy, Research Funding, Speakers Bureau; Abbvie: Research Funding; Gilead: Research Funding. Liesveld:Abbvie: Membership on an entity's Board of Directors or advisory committees; Onconova: Other: Data safety monitoring board. Sportelli:TG Therapeutics: Employment. Miskin:TG therapeutics Inc.: Employment, Equity Ownership. Weiss:TG Therapeutics: Employment. Friedberg:Acerta: Other: Data & Safety Monitoring Committee; Bayer: Honoraria, Other: Data & Safety Monitoring Committee. Zent:Astra Zeneca: Research Funding; Mentrik Biotech: Research Funding. OffLabel Disclosure: umbralisib and ublituximab as treatment of CLL

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WILLIAMS, JASON L., and JOHN S. LAPOLLA. "Taxonomic revision and phylogeny of the ant genus Prenolepis (Hymenoptera: Formicidae)." Zootaxa 4200, no. 2 (November 29, 2016): 201. http://dx.doi.org/10.11646/zootaxa.4200.2.1.

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The formicine ant genus Prenolepis is here revised for the first time. Thirteen extant species are recognized of which four are described as new. A key for the worker caste is provided, and the worker of each species is imaged, with males and queens imaged in species where they are known. Worker-based characters were used to construct a species-level phylogeny of Prenolepis. Both maximum parsimony and Bayesian inference methods were used for the phylogenetic analyses. A morphological diagnosis for the genus is provided, with a discussion of useful morphological characters for separating Prenolepis from other genera in the Prenolepis genus-group. Major taxonomic changes are proposed. The new species are: P. darlena, P. fustinoda, P. mediops, and P. shanialena. Prenolepis jerdoni subopaca is elevated to full species. Three species are excluded from Prenolepis and transferred to Nylanderia and Paratrechina as new combinations: N. emmae, N. flaviabdominis, and P. umbra. Two species are excluded from Paratrechina and transferred to Nylanderia and Paraparatrechina as new combinations: N. guanyin and P. kongming. One species, Z. darlingtoni, is excluded from Nylanderia and transferred to Zatania as a new combination. Several synonyms are proposed: Prenolepis sphingthoraxa = Nylanderia flaviabdominis; P. imparis arizonica, P. imparis colimana, P. imparis coloradensis, and P. imparis veracruzensis = P. imparis; P. melanogaster carinifrons and P. nigriflagella = P. melanogaster; P. longiventris and P. magnocula = P. naoroji; and P. septemdenta = Nylanderia opisopthalmia.

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Brizio, Elena. "Pirillo, Paolo, and Lorenzo Tanzini, eds. Terre di confine tra Toscana, Romagna e Umbria. Dinamiche politiche, assetti amministrativi, società locali (secoli XII–XVI)." Renaissance and Reformation 44, no. 1 (July 26, 2021): 294–96. http://dx.doi.org/10.33137/rr.v44i1.37099.

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Serrano López, Miguel. "Violencia y corrupción como estrategias de maximización en mercados ilegales: el caso de la coca." Cuadernos de Economía 39, no. 81 (July 1, 2020): 949–74. http://dx.doi.org/10.15446/cuad.econ.v39n81.56155.

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En este artículo se analiza el uso de la violencia y la corrupción como factores de maximización del beneficio de los traficantes en el mercado de los cultivos de coca. Se propone que la condición de ilegalidad de este mercado da lugar al establecimiento de sistemas de seguridad privada y corrupción que operan como estrategias de maximización de los beneficios de los traficantes, y se propone la existencia de un umbral de acción de la justicia que hace inviable la actividad ilegal.

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Rambsy, Howard. "A Black Arts Poetry Machine: Amiri Baraka and the Umbra Poets by David Grundy." African American Review 53, no. 4 (2020): 345–46. http://dx.doi.org/10.1353/afa.2020.0054.

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María del Rosario, Acosta López. "Desde el umbral de las palabras: sobre lo sublime a partir de Pseudo-Longino." Revista de Estudios Sociales, no. 44 (December 2012): 91–101. http://dx.doi.org/10.7440/res44.2012.09.

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Giorgi, Gabriel. "Política de la supervivencia / Politics of Survival." Kamchatka. Revista de análisis cultural., no. 10 (December 29, 2017): 249. http://dx.doi.org/10.7203/kam.10.10634.

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Resumen: Distintas intervenciones desde prácticas activistas y culturales en torno al VIH escenifican poéticas y políticas del resto corporal en las que se juegan, por un lado, una reorganización de los modos en que se dramatiza en umbral entre lo vivo y lo muerto en lo público –redefiniendo así el tejido mismo de lo que llamamos “comunidad”—; y por otro, indican los modos en que estos activismos impulsan una disputa sobre los “marcos de temporalización” desde los cuales lo viviente se vuelve reconocible políticamente y donde la noción de supervivencia adquiere una centralidad decisiva. Combinando materiales heterogéneos el artículo busca iluminar los modos en que los activismos y las culturas en torno al VIH configuran un terreno decisivo para pensar políticas de la supervivencia del presente. Palabras clave: VIH, ACT-UP, Supervivencia, Temporalidades, Biopolítica. Abstract: Different interventions from activist and cultural practices around HIV staged poetics and politics of the body remmant. They implie, on the one hand, a reorganitzation of the dramatization of the threshold between the living and the dead in the public space; and on the other, they indicate the ways in which these activisms mobilize a dispute over the “frames of temporalization” from which the living becomes politically recognizable and where the notion of survival acquires a decisive centrality. Combining heterogeneous materials, the article seeks to illuminate the ways in which activism and cultures on HIV constitute a decisive ground for thinking about the present policies of survival. Keywords: IHV, ACT-UP, Survival, Biopolitics.

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West, Stephanie. "Herodotus' Portrait of Hecataeus." Journal of Hellenic Studies 111 (November 1991): 144–60. http://dx.doi.org/10.2307/631892.

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The shadow of Hecataeus, magni nominis umbra if ever there was one, constantly obstructs our attempts to assess and understand Herodotus' principles, objectives and achievements. Perplexing and elusive as the details of Hecataeus' work may be, no-one disputes his importance as an intermediary between catalogue-poetry such as we associate with Hesiod, with its clear subordination of geography to genealogy, and the more sophisticated method of synthesising knowledge about the oikoumene demonstrated by Herodotus; some have even argued that the great Milesian has a better claim than Herodotus to the title of pater historiae.

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Gruber, Samuel. "Review: Calabria by Francesco Faeta; Liguria by Giovanni Spalla; Emilia-Romagna by Francesca Bocchi; Umbria by Giovanna Chiuni; Marche by Sergio Anselmi, Gianni Volpe; Piemonte by Vera Comoli Mandracci; Sardegna by Giulio Angioni, Antonello Sanna." Journal of the Society of Architectural Historians 48, no. 4 (December 1, 1989): 403–5. http://dx.doi.org/10.2307/990465.

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AEDO FUENTES, MARÍA TERESA. "EL SISTEMA DE PANÓPTICOS DE DANIEL BARROS GREZ. LITERATURA NACIONAL Y RÉGIMEN PENITENCIARIO EN CHILE EN EL UMBRAL DEL SIGLO XX." Atenea (Concepción), no. 514 (December 2016): 227–46. http://dx.doi.org/10.4067/s0718-04622016000200227.

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