Relevant bibliographies by topics / Hilltops

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Hilltops'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Hilltops"

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Nandikar, Mayur D., Priyanka T. Giranje, and Durga C. Jadhav. "Floristic enumeration of Torna Fort (Western Ghats, India): a storehouse of endemic plants." Journal of Threatened Taxa 10, no. 7 (June 26, 2018): 11895. http://dx.doi.org/10.11609/jott.3705.10.7.11895-11915.

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The forts on hilltops of the Sahyadri (northern Western Ghats) have seen a turbulent historical past and are famous for their architectural style and cultural heritage. Besides this, these hilltops are home to an incredible plant diversity. One of the highest hilltop forts (ca. 1,403m) the Torna, has been explored since 2012 for floral assessment. The study documented ca. 399 plant species of which about 28% are endemic to the Western Ghats and 16 monotypic species were recorded. A brief account of the immense floristic diversity and new findings from Torna fort are summarized in the present article.
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Menšík, Petr, and Milan Menšík. "An Overview of Southern Bohemian Hilltop Settlements from Prehistory to the Late Middle Ages." Archaeologia Lituana 19 (December 20, 2018): 34–61. http://dx.doi.org/10.15388/archlit.2018.19.3.

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[full article, abstract in English; abstract in Lithuanian] The Southern Bohemian Region belongs to regions where many hilltop settlements had been built since the Early Stone Age. However, the first fortified systems were built in the Late Bronze Age, as hilltops, mountain peaks, and promontories were fortified using complex systems of ramparts and ditches. This phenomenon thereafter continued into younger prehistoric periods, especially the Early Iron Age, resulting in the foundation of hilltops in the Early Middle Ages, starting with the 9th century and frequently continuing in the form of castles and manor houses built in the Middle Ages and the Modern Period. This paper is not only an attempt to summarize and survey the use of hilltop sites and the continuity of settlements but also an effort to state their classification, characteristics, and function considering their practical, social and symbolical roles, which can be detected in both prehistoric (sophisticated fortifications with no practical use, relocation) and medieval (show of power, the question of defence) heritage.
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Montaño, Noé Manuel, Ana Lidia Sandoval-Pérez, Felipe García-Oliva, John Larsen, and Mayra E. Gavito. "Microbial activity in contrasting conditions of soil C and N availability in a tropical dry forest." Journal of Tropical Ecology 25, no. 4 (July 2009): 401–13. http://dx.doi.org/10.1017/s0266467409006166.

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Abstract:We studied the relationships between soil nutrient availability and microbial biomass and activity of two contrasting soil conditions in a tropical deciduous forest in western Mexico. Hilltops have higher pH, water, dissolved organic C, and ammonium concentrations than hillslopes. Our main hypothesis was that soil microbial biomass, microbial activity and bacterium species richness would be higher in soils with high availability of nutrients. Fifteen soil cores, 0–5 cm depth, were taken in the dry, early rainy and rainy season, from each of the ten replicate plots in hilltop and hillslope positions located on three contiguous small watersheds. We measured moisture, C, N and P availability, potential C mineralization, net nitrification, microbial biomass and culturable heterotrophic and nitrifying bacteria in composite samples from each plot. Microbial biomass, species richness of culturable heterotrophic bacteria and C mineralization were significantly higher on hilltops than on hillslopes. Net nitrification was, in contrast, significantly higher on hillslopes than on hilltops and counts of culturable nitrifying bacteria were also significantly higher in the rainy-season samples. Hilltops and hillslopes had low similarity in composition of culturable heterotrophic bacterial species, particularly during the rainy season. The results suggested that C and N availability and seasonal changes in soil moisture are important controlling factors for some soil culturable-bacterial species, which may affect both C mineralization and nitrification in these tropical deciduous forest soils.
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Swanson, Steve. "Documenting Prehistoric Communication Networks: A Case Study in the Paquimé Polity." American Antiquity 68, no. 4 (October 2003): 753–67. http://dx.doi.org/10.2307/3557071.

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Hilltop features reported around the site of Paquimé, the political center of a prehistoric complex polity in northwest Chihuahua, Mexico, have been interpreted as a fire-signaling network by archaeologists. If these hilltop platform features functioned as such a communication system, it provides important information for our interpretation of regional integration and interaction for the Paquimé polity. This paper reports the results of a survey of hilltops in the area and a subsequent GIS-based intervisibility analysis, which determined that a series of hilltop platforms in the region were ideally situated for fire-signaling purposes. I discuss the need for implementing tests for intervisibility and tests for determining the significance of that intervisibility, and then consider some implications of the Paquimé fire-signaling system on sociopolitical organization and integration.
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Fan, Yan Rong, Shuang Lin Chen, Hua Lin, Qing Ping Yang, Yi Cong Hong, and Zi Wu Guo. "Effects of Anthropogenic Disturbance Measures on Plant Diversity of Understory Vegetation in Moso Bamboo Forests." Advanced Materials Research 726-731 (August 2013): 4288–93. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.4288.

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Anthropogenic disturbance measures have complex effects on understory plants. In order to establish a theoretical basis for moso bamboo forest sustainable management, three types of moso bamboo forests with many years not weeding, hilltops weeding and herbicides weeding were choosed. And species names, numbers and coverages of all arbors, shrubs, herbs and vines were recorded in every quadrat. Species composition and α-diversity were analyzed to compare understory vegetation under the three types of moso bamboo forests with consistent stand structure and site conditions. There are four major findings in this study: (1) 74 species belonged to 47 families and 58 generas which are recorded in the three types of moso bamboo forests. Many years not weeding, hilltops weeding and herbicides weeding are respectively 33 families 39 genera 40 species, 33 families 37 genera 41 species and 37 families 43 genera 49 species. (2) Dominant species of arbors and shrubs within hilltops weeding and herbicides weeding moso bamboo forests are less than the ones of many years not weeding moso bamboo forest, whereas dominant species of herbs increased. Meanwhile, co-dominant specie of arbors is Cunninghamia lanceolata, shrubs is Rubus reflexus, and herbs are Melastoma dodecandrum and Dicranopteris dichotoma. (3) Richness of herbicides weeding and hilltops weeding moso bamboo forests is significantly lower than (p<0.05) the one of many years not weeding moso bamboo forest, and Containing absolute abundance diversity index (I) of hilltops weeding moso bamboo forest is also significantly lower than (p<0.01) many years not weeding moso bamboo forest. The differences of Simpson dominance index (C), Simpson diversity index (D),Shannon-Wiener diversity index (H) and Pielou evenness index (J) among the three types of moso bamboo forests are not significant. Considering understory plant diversity and system structure stability analysis, anthropogenic hilltops weeding measure is suggested to be used for understory vegetation interference.
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Oliveira, Guilherme de Castro, and Elpidio Inacio Fernandes Filho. "AUTOMATED MAPPING OF PERMANENT PRESERVATION AREAS ON HILLTOPS." CERNE 22, no. 1 (March 2016): 111–20. http://dx.doi.org/10.1590/01047760201622012100.

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ABSTRACT Permanent Preservation Areas (PPAs) on hilltops are among the many areas protected by the New Forest Code in Brazil. Mapping of these involves difficult interpretation and application of the Law, as well a complex task of translating it in map algebra. This paper aims to present, in detail, a methodological model for delimitation of PPAs on hilltops, according to the Brazilian new Forest Code (NFC, Law 12,651/2012). The model was developed in Model Builder for ArcGIS 10.2, and is able to map the PPAs in any digital terrain model. However, field validations are required to verify its efficiency. There is need for legal standardization of criteria that may cause subjectivity in delimitation. The organization of these data on a large scale is very important, as example, to the Rural Environmental Registry, which provides georeferencing of all rural properties and its protected areas in Brazil.
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Baden, H. M., T. Särkinen, D. A. Conde, A. C. Matthews, H. Vandrot, S. Chicas, C. Pennil, et al. "A BOTANICAL INVENTORY OF FOREST ON KARSTIC LIMESTONE AND METAMORPHIC SUBSTRATE IN THE CHIQUIBUL FOREST, BELIZE, WITH FOCUS ON WOODY TAXA." Edinburgh Journal of Botany 73, no. 1 (November 10, 2015): 39–81. http://dx.doi.org/10.1017/s0960428615000256.

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The Chiquibul Forest Reserve and National Park in Belize is a priority conservation area within the ‘Maya Forest’ in Central America. Although taxonomic data are essential for the development of conservation plans in the region, there is limited knowledge of the existing species in the area. Here we present a botanical species list of mostly woody taxa based on voucher specimens, with particular focus on the Raspaculo watershed in the eastern part of the National Park. Within the Raspaculo watershed, a comparison is made between 0.1 ha of valley floor and 0.1 ha of hilltop vegetation, sampling trees, shrubs, palms and lianas ≥2.5 cm diameter at breast height. Additionally, a 1 ha plot was established in the Upper Raspaculo watershed. Our study shows 38 new species records for the region, and important additions to the flora of Belize. New records were recorded from forests on both metamorphic and karstic substrate, including previously overlooked hilltop forest elements. Quantitative assessment of vegetation across elevation zones shows distinct elements dominating on valley floors and hilltops. Our results show that the Chiquibul contains at least 58% of Belize’s threatened plant species, and represent a source of information for the management and conservation of the area.
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Emelin, Maxim, and Radu Tatar. "Axion hilltops, Kahler modulus quintessence and the swampland criteria." International Journal of Modern Physics A 34, no. 28 (October 10, 2019): 1950164. http://dx.doi.org/10.1142/s0217751x19501641.

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We study the interplay among extrema of axion potentials, Kahler moduli stabilization and the swampland criteria. We argue that moving away from the minima of nonperturbatively generated axion potentials can lead to a runaway behavior of moduli that govern the couplings in the effective field theory. The proper inclusion of these degrees of freedom resolves the conflict between periodic axion potentials and the gradient de Sitter criterion, without the need to invoke the refined de Sitter criterion. We investigate the possibility of including this runaway direction as a model of quintessence that satisfies the swampland criteria. Using a single nonperturbative effect, the maximum along the axion direction provides such a runaway direction, which is unstable in the axion directions, sensitive to initial conditions and too steep to allow for a Hubble time of expansion without violating the field excursion criterion. Adding a second nonperturbative effect generates a saddle point in the potential satisfying the refined de Sitter criterion, which solves the steepness problem and improves the initial conditions problem although some fine-tuning remains required.
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Nilssen, Arne C., and John R. Anderson. "The mating sites of the reindeer nose bot fly: not a practical target for control." Rangifer 15, no. 2 (January 1, 1995): 55. http://dx.doi.org/10.7557/2.15.2.1167.

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The reindeer nose bot fly Cephenemyia trompe aggregates on hilltops/mountaintops to mate. Although active only for brief periods on certain days, males have been collected only from such sites. To evaluate possible suppression of the fly population by killing males (by insecticides or traps) at such sites, the density of sites and the number of males at each site were monitored in a summer grazing area of the semidomestic reindeer host (Rangifer tarandus) in Finnmark, northern Norway. In an area of ca. 20 km2, 19 mating sites were detected and examined during 4 hours on one day. The number of males observed at most sites was 5-16 (range 3-60). Minor hilltops had few males but at some sites &gt;20-60 flies were dispersed over an area of at least 100 m2. It is concluded that mating sites in the study area are too numerous, and also used by many beneficial non-target species, to be practical targets for control of the species.
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McCrink, Timothy P., Chris J. Wills, Charles R. Real, and Michael W. Manson. "Effects of Topographic Position and Geology on Shaking Damage to Residential Wood-Framed Structures during the 2003 San Simeon Earthquake, Western San Luis Obispo County, California." Earthquake Spectra 26, no. 3 (August 2010): 779–802. http://dx.doi.org/10.1193/1.3459160.

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A statistical evaluation of shaking damage to wood-framed houses caused by the 2003 M6.5 San Simeon earthquake indicates that both the rate and severity of damage, independent of structure type, are significantly greater on hilltops compared to hill slopes when underlain by Cretaceous or Tertiary sedimentary rocks. This increase in damage is interpreted to be the result of topographic amplification. An increase in the damage rate is found for all structures built on Plio-Pleistocene rocks independent of topographic position, and this is interpreted to be the result of amplified shaking caused by geologic site response. Damage rate and severity to houses built on Tertiary rocks suggest that amplification due to both topographic position and geologic site response may be occurring in these rocks, but effects from other topographic parameters cannot be ruled out. For all geologic and topographic conditions, houses with raised foundations are more frequently damaged than those with slab foundations. However, the severity of damage to houses on raised foundations is only significantly greater for those on hill slopes underlain by Tertiary rocks. Structures with some damage-resistant characteristics experienced greater damage severity on hilltops, suggesting a spectral response to topographic amplification.
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Dissertations / Theses on the topic "Hilltops"

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Orani, Stefano. "Cosmological perturbations from hilltop potentials." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/11683.

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Cosmological inflation is the dominating paradigm to account for observations of the Cosmic Microwave Background (CMB). In this thesis, we study the phenomenology of a class of particularly well motivated models of inflation, known under the generic name of hybrid models. They are characterised by a transition from a valley to a hilltop shaped potential. In particular, we study three limiting regimes of the simplest realisation, hybrid inflation, constraining its parameter space using observational bounds on the spectral index and the non-gaussianity of the primordial perturbations. We find that the model is highly constrained by observations, with large part of the parameter space either ruled out by a blue spectral index (ns > 1) or by a large non-gaussianity parameter fNL, two quantities measured with precision by PLANCK. However, there exists regions in parameter space leading to interesting phenomenology compatibly with observational bounds. Also, a version of hybrid inflation with a third light scalar field at horizon crossing is derived from the supersymmetry framework. We find that the model can generate observables within observational bounds.
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Nottingham, Amy Lou. "Hilltown architecture : beyond the picturesque." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/23389.

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Lindqvist, Felicia. "Who are the Hilltop Youth? : Perception of self vs. Perception of researchers." Thesis, Linnéuniversitetet, Institutionen för samhällsstudier (SS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-96446.

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This qualitative study focuses on perceptions of actors within protracted social conflicts and the value of using self-categorization as a tool to increase understanding of conflict actors as a step towards to finding alternative solutions. It compares self-perceptions of the Hilltop Youth, a radical settler group in the West Bank region in the Middle East, to categorizations used in all of the established literature on the group. Five categories that are recurring in the literature on the Hilltop Youth (terrorists, vigilantes, active flank within a social movement, gang, and activist) are contrasted with Self-Categorization theory and will be used as a tool to determine the self-image of the group as displayed in the digital and social media. The findings show that the category that finds common ground between the two perspectives is activists. The Hilltop Youth view themselves as freedom fighters, doing what they are chosen to do: settle the land, already promised to them.  Their actions and beliefs translate to political activism this both including building homes and creating outposts as well as conducting “price tag” attacks. The findings underline the difference in perceived realities between the Hilltop Youth and researchers. Concluding the need to incorporate the perspective of the actor itself in order to create a sustainable peace based on the same reality, something that have been overlooked in previous Hilltop Youth research.
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Ratini, Meagan M. "Final rest at the hilltop sanctuary| The community of Mount Gilead AME Church." Thesis, University of Massachusetts Boston, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1566553.

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The Mount Gilead AME (African Methodist Episcopal) Church, perched on a mountain in Buckingham, Pennsylvania, has been a focal point of African American heritage in the area for over a hundred and seventy-five years. Though the second church building, dated to 1852, is still standing with its cemetery beside it, very little about its history has been thoroughly explored. Oral histories link the church with the Underground Railroad, a highly clandestine operation—yet the church itself was built of stone and advertized its location during the height of the movement of self-emancipated people out of the South. While it is said that this rural church community was made up of a hundred families who settled across the hillside, the cemetery itself only has 243 currently marked graves. The antebellum church hosted hundreds of people, black and white, at events held within walking distance of the rumored hideouts of those on the run from slavery. In order to determine the extent of this seemingly paradoxical relationship between secrecy and prominence, and to achieve a fuller understanding of the community during the 19 th century, the church's history is approached from several angles simultaneously. The cemetery itself is identified as a critical location where much can be learned about the composition, achievements, and struggles of the community. Combining archival research (primarily in the US Census, newspapers, and farm account books) with geographic information systems (GIS) and ground-penetrating radar (GPR), a sense of the size, occupations, and personal histories of the community are achieved, yielding a composite view of the general church population and its history between the 1820s and 1900.

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Lin, Chia-Min. "Inflation Models in the Era of Precision Observations : Modified D-term Inflation and Hilltop Inflation Models." Thesis, Lancaster University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.518205.

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Andersson, Christoffer. "Runsa - A hilltop settlement during the Migration Period : Distinguishing spatiality and organization through analyzing chemical imprints of daily activities." Thesis, Stockholms universitet, Arkeologiska forskningslaboratoriet, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-77282.

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Archaeologists have long noted the striking monumentality and large-scale efforts behind the Iron Age hilltop settlements. Yet, because of limited excavations, they represent a controversial part of the Migration Period society and much of their function remains hidden. This paper deals with questions concerning the inner organization and activities that took place within the Iron Age hilltop settlement at Runsa. The study is linked to the ongoing project ”Runsa fornborg –En befast centralplats i ostra Malardalen under folkvandringstid” which aims to investigate the socio-political functions of Runsa. In an attempt to establish a nuanced picture and distinguish space use within the hilltop settlement, a multi-variable approach is used. Alongside more traditional methods, element analysis by atomic absorption spectrophotometer (AAS) and lipid analysis by gas chromatography-mass spectrometry (GC-MS) is emphasized.
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Ras, Nancy L. "Curriculum change at Hilltop school : a case study of intervention and organisational change at an elementary school in Israel." Thesis, University of Sussex, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400381.

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Sadler, Anna Jarita. "Rural character in the Hilltowns understanding attitudes about planning in the context of attachment to place /." Connect to this title, 2008. http://scholarworks.umass.edu/theses/218/.

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Ballantyne, Marianne R. "Miami Fort: An Ancient Hydraulic Structure." Cincinnati, Ohio : University of Cincinnati, 2009. http://rave.ohiolink.edu/etdc/view.cgi?acc_num=ucin1242752728.

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Thesis (M.A.)--University of Cincinnati, 2009.
Advisor: Kenneth B. Tankersley. Title from electronic thesis title page (viewed July 29, 2009). Includes abstract. Keywords: Miami Fort; Hopewell; hilltop enclosure; Ohio Valley archaeology. Includes bibliographical references.
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Rodger, H. "Senior adult ministry for lay leaders." Theological Research Exchange Network (TREN) Access this title online Theological Research Exchange Network (TREN), 2005. http://www.tren.com.

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Books on the topic "Hilltops"

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Saskatchewan Sports Hall of Fame and Museum. and Saskatoon Hilltop Football Club, eds. The Hilltops: A Canadian junior football legacy. Saskatoon: Saskatoon Hilltop Football Club, 2006.

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Larrabee, Gary. Far above the neighboring hilltops: St. John's Preparatory School 1907-2007. Danvers, Mass: St. John's Preparatory School, 2007.

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Neels, Betty. Hilltop tryst. Richmond: Mills & Boon, 1998.

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Neels, Betty. Hilltop tryst. Richmond, Surrey: Mills & Boon, 1989.

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Hilltop hospital. London: Hutchinson, 1992.

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Graumann, Kathy. From hilltop to hilltop: A pioneer spirit endures. Tomball, Tex: Salem Lutheran Church of Rosehill, 2002.

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Hubbell, Sue. On this hilltop. New York: Ballantine Books, 1991.

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Ellis, Elsa. From the hilltop. Hazlet, Sask: Sand Print, 2004.

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From the hilltop. Lincoln: University of Nebraska Press, 2010.

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Agarwal, Deepa. The hilltop mystery. New Delhi: Madhuban Educational Books, 1999.

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Book chapters on the topic "Hilltops"

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Wernick, David. "Innovation in Africa: A View from the Peaks and Hilltops of a Spiky Continent." In Innovation in Emerging Markets, 121–39. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/9781137480293_7.

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Woodwell, George M. "Redesigning Hilltop House." In The Nature of a House, 45–70. Washington, DC: Island Press/Center for Resource Economics, 2009. http://dx.doi.org/10.5822/978-1-61091-137-5_3.

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Zakrzhevsky, M. "Stable Forced Hilltop Oscillations." In Solid Mechanics and its Applications, 285–94. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4229-8_30.

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Wu, Qiong, Xuan Ou, Jianjun Yu, and Heliang Yuan. "Hilltop Based Recommendation in Co-author Networks." In Lecture Notes in Computer Science, 341–51. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26142-9_29.

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Zakrzhevsky, M. "Global Stable Oscillations Near Unstable Equilibrium Positions: The Hilltop Effect." In IUTAM Symposium on New Applications of Nonlinear and Chaotic Dynamics in Mechanics, 117–24. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-5320-1_13.

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Ichiro, Ario. "Multiple Duffing Problems Based on Hilltop Bifurcation Theory on MFM Models." In Handbook of Applications of Chaos Theory, 719–42. Boca Ration : Taylor & Francis, 2016.|“A CRC title.”: Chapman and Hall/CRC, 2017. http://dx.doi.org/10.1201/b20232-35.

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Lu, Peng, and Xiao Cong. "The Research on Improving Algorithms for Hilltop to Improve Search Quality." In Recent Advances in Information and Communication Technology 2016, 149–58. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40415-8_15.

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Gachathi, F. N. M. "Conservation priorities in the arid and semi-arid lands: the case of the hilltop forests of Kenya." In The Biodiversity of African Plants, 313–16. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0285-5_40.

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Martín Viso, Ińaki. "Central Places and the Territorial Organization of Communities: The Occupation of Hilltop Sites in Early Medieval Northern Castile." In Studies in the Early Middle Ages, 167–85. Turnhout: Brepols Publishers, 2006. http://dx.doi.org/10.1484/m.sem-eb.3.3752.

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"On the hilltops." In The Path of the Ocean, 206. University of Hawaii Press, 2019. http://dx.doi.org/10.2307/j.ctvp2n4vm.124.

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Conference papers on the topic "Hilltops"

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Canonaco, Brunella, and Francesc Bilotta. "Lettura del sistema fortificato della fascia Tirrenica calabrese attraverso le iconografie storiche." In FORTMED2020 - Defensive Architecture of the Mediterranean. Valencia: Universitat Politàcnica de València, 2020. http://dx.doi.org/10.4995/fortmed2020.2020.11527.

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Knowledge of fortified centres of the Tyrrhenian coast of Calabria through historical documentsThis paper offers suggestions for the knowledge of fortified centres of the Tyrrhenian coast of Northern Calabria, through a critical reading of ancient graphic representations of this territory. The exegetical reading of these ancient landscapes has been supported by the notes extracted from literary sources and data deduced from analytical procedures conducted on the assets. The essential characters of the fortresses and the areas surrounding castles have been identified, recognizing the dynamics of settlements, explaining their formal, functional and constructive characters, and verifying the signs of permanence and variance through time. In the surveyed area, the castles are commonly located on hilltops, overlooking the sea and controlling the territory and villages. Because of its dense defence fabric, made of manors and towers, this area can be seen as one of the most representative of the whole Region. The study of this heritage is essential for the comprehension of the historical and architectural characters of the area, and therefore for the enhancement of the built landscape of the entire Mediterranean basin.
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Kaoga, Dieudonné Kidmo, Bachirou Bogno, Michel Aillerie, Danwe Raidandi, Serge Doka Yamigno, Oumarou Hamandjoda, and Beda Tibi. "Assessment of wind energy potential and cost estimation of wind-generated electricity at hilltops surrounding the city of Maroua in Cameroon." In TECHNOLOGIES AND MATERIALS FOR RENEWABLE ENERGY, ENVIRONMENT AND SUSTAINABILITY: TMREES. Author(s), 2016. http://dx.doi.org/10.1063/1.4959388.

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Fathima, Taskeen, and S. Mary Vennila. "Enhancing the Communication of SDN Security with 802.1X Control Classifier Hilltop (ECSCOCH)." In 2021 7th International Conference on Advanced Computing and Communication Systems (ICACCS). IEEE, 2021. http://dx.doi.org/10.1109/icaccs51430.2021.9441726.

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Richardson, Carson A., Eric Seedorff, and Caleb A. King. "EXTENSIONAL DISMEMBERMENT OF THE HILLTOP MINING DISTRICT, NORTHERN SHOSHONE RANGE, NORTH-CENTRAL NEVADA." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-278000.

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Lenci, Stefano, and Giuseppe Rega. "Optimal Control of Homoclinic Bifurcation in a Periodically Driven Helmholtz Oscillator." In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/vib-21599.

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Abstract:
Abstract The problem of avoiding the homoclinic bifurcation of the hilltop saddle of the Helmholtz equation by a shrewd choice of the shape of the external excitation is considered. The distance between the perturbed manifolds is computed by means of the Melnikov’s method, and its dependence on the shape of the excitation is emphasized. Successively, it is shown how it is possible to determine a theoretical optimal excitation which maximizes the distance between stable and unstable manifolds for a fixed excitation amplitude or, equivalently, which maximizes the critical amplitude for homoclinic bifurcation. The practical case of a finite number of subharmonics is considered in detail. The corresponding optimal problems are solved numerically and the related optimal excitations are given. It is shown that when the number of subharmonics increases, the critical threshold for homoclinic bifurcation tends to double with respect to the reference case of harmonic excitation. Some numerical simulations are finally performed to verify the theoretical predictions and the effectiveness of the control procedure.
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6

Tapete, Deodato, Giovanni Gigli, Francesco Mugnai, Pietro Vannocci, Elena Pecchioni, Stefano Morelli, Riccardo Fanti, and Nicola Casagli. "Correlation between erosion patterns and rockfall hazard susceptibility in hilltop fortifications by terrestrial laser scanning and diagnostic investigations." In IGARSS 2012 - 2012 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2012. http://dx.doi.org/10.1109/igarss.2012.6352537.

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Reports on the topic "Hilltops"

1

Walasavage, Frederick J. Supplement Analysis for the Transmission System Vegetation Management Program FEIS (DOE/EIS-0285/SA-123 Malin-Hilltop. Office of Scientific and Technical Information (OSTI), February 2003. http://dx.doi.org/10.2172/824773.

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2

Control technology for ready-mix truck drum cleaning at Hilltop Basic Resources, Cincinnati, Ohio. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, May 2001. http://dx.doi.org/10.26616/nioshephb24719.

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