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Journal articles on the topic 'Variantes du problème du p-Centre'

Author: Grafiati

Published: 15 June 2024

Last updated: 31 July 2025

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1

K, Toungara. "Contribution à l'amélioration de la qualité de prise en charge du paludisme au Centre de Santé Communautaire de Sanankoroba dans le district sanitaire de Kalabancoro, Mali." Mali Santé Publique 10, no. 02 (2021): 34–39. http://dx.doi.org/10.53318/msp.v10i02.1794.

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Introduction : Le paludisme constitue un véritable problème de santé publique dans le monde et majeur dans les pays subsahariens. Sa prise en charge selon les recommandations de l'OMS n'est pas correctement effectuée partout. Le but de notre travail était de contribuer à l'amélioration de la qualité de la prise en charge du paludisme dans le centre de santé communautaire de Sanankoroba. Matériel et méthodes : Il s'agissait d'une étude transversale à passage répété de recherche action de Susman. Elle s'est déroulée en quatre mois allant du 1ier juillet au 31 octobre 2019 dans le centre de santé

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Angelova, Lyudmila, Maria Tsvetkova, and Mariya Levkova. "CHROMOSOMAL POLYMORPHISM IN BULGARIAN PATIENTS WITH REPRODUCTIVE PROBLEMS – ONE GENETIC CENTRE EXPERIENCE." Journal of IMAB - Annual Proceeding (Scientific Papers) 27, no. 4 (2021): 4133–38. http://dx.doi.org/10.5272/jimab.2021274.4133.

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Chromosomal polymorphism is described as normal variants at chromosomal regions with no impact on the phenotype but a possible correlation to infertility and recurrent spontaneous abortions. The aim of this study was to evaluate the effect of the chromosomal polymorphisms involved in families with reproductive failures in the Bulgarian population. Material and methods: A total of 1733 patients with unexplained reproductive failures who visited the Laboratory of Medical Genetics – Varna, Bulgaria, (2004 - 2019) were investigated by conventional cytogenetic analysis GTG and CBG differential band

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Dupin, Nicolas, Frank Nielsen, and El-Ghazali Talbi. "Unified Polynomial Dynamic Programming Algorithms for P-Center Variants in a 2D Pareto Front." Mathematics 9, no. 4 (2021): 453. http://dx.doi.org/10.3390/math9040453.

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With many efficient solutions for a multi-objective optimization problem, this paper aims to cluster the Pareto Front in a given number of clusters K and to detect isolated points. K-center problems and variants are investigated with a unified formulation considering the discrete and continuous versions, partial K-center problems, and their min-sum-K-radii variants. In dimension three (or upper), this induces NP-hard complexities. In the planar case, common optimality property is proven: non-nested optimal solutions exist. This induces a common dynamic programming algorithm running in polynomi

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Lima de Paulo, Wanderlei, Marta Ines Velazco Fontova, and Renato Canil de Souza. "An analysis of a mean-variance enhanced index tracking problem with weights constraints." Investment Management and Financial Innovations 15, no. 4 (2018): 183–92. http://dx.doi.org/10.21511/imfi.15(4).2018.15.

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In this paper, the authors deal with a mean-variance enhanced index tracking (EIT) problem with weights constraints. Using a shrinkage approach, they show that constructing the constrained EIT portfolio is equivalent to constructing the unconstrained EIT portfolio. This equivalence allows to study the effect of weights constraints on the covariance matrix and on the EIT portfolio. In general, the effects of weights constraints on the EIT portfolio are different from those observed in the case of global minimum variance portfolio. Finally, the authors present a numerical asset allocation exampl

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Amanda, de Araújo Dias, and Coelho Mesquita Fernandes Marcella. "CÂNCER DE MAMA E SARCOMA SINOVIAL METACRONICOS EM PACIENTE INFANTO-JUVENIL: RELATO DE CASO." Revistaft 28 (July 13, 2024): 67. https://doi.org/10.5281/zenodo.12738367.

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O câncer de mama é um problema que impacta diretamente na saúde pública e é a principal causa de morte por câncer nas mulheres. O presente trabalho tem como objetivo relatar um caso raro de apresentação de câncer de mama em mulher jovem na ausência de variantes patogênicas germinativas. RELATO DE CASO: DAA, 18 anos, feminino, em 2018, palpou nódulo em mama direita, com crescimento progressivo. O histopatológico inicial acusou carcinoma ductal invasivo grau 2. Exame de imunohistoquimica revelou tratar-se de ca

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Orozco Mendez, Mayra A., and Aurora G. Martínez Cantú. "Les voyelles nasales comme difficulté chez les apprenants de FLE hispanophones." Revista Lengua y Cultura 6, no. 11 (2024): 83–92. http://dx.doi.org/10.29057/lc.v6i11.13448.

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Cette recherche a pour objectif d’analyser l’interférence linguistique chez les élèves mexicains de FLE, qui montrent des difficultés dans la prononciation des voyelles nasales [ɛ̃], [ɑ̃], et [ɔ̃], qui sont remplacées par des voyelles présentes en espagnol. Selon Caraveo (2021) l’interférence linguistique est une conjecture incorrecte faite par les étudiants d’une langue étrangère en raison de leurs connaissances préalables de leur langue maternelle, Valdez Vega (2021) affirme qu’il est important d’aborder ces erreurs pour éviter qu’elles ne deviennent plus compliqués à éliminer à des stades p

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Ivanova, V. A., and L. A. Ulianitckaia. "Pluricentric Languages Policy Features through the Example of French." Discourse 6, no. 5 (2020): 113–29. http://dx.doi.org/10.32603/2412-8562-2020-6-5-113-129.

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Introduction. The paper reviews features of the French language policy inFrance,Belguim,Canada, andSwitzerland. The novelty of the study is implied by the fact that features of the language policy are analyzed with previously unknown circumstances taken into account: the circumstances that allow French to be seen as a pluricentric language. The relevance of the study is conditioned by the necessity of observing the sociopolitical space of language functioning, as well as the importance of both analyzing the dynamics of pluricentric languages spreading and identifying mechanisms of using a sing

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8

YANG, LINMIN, ZHE DANG, and OSCAR H. IBARRA. "ON STATELESS AUTOMATA AND P SYSTEMS." International Journal of Foundations of Computer Science 19, no. 05 (2008): 1259–76. http://dx.doi.org/10.1142/s0129054108006261.

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We introduce the notion of stateless multihead two-way (respectively, one-way) NFAs and stateless multicounter systems and relate them to P systems and vector addition systems. In particular, we investigate the decidability of the emptiness and reachability problems for these stateless automata and show that the results are applicable to similar questions concerning certain variants of P systems, namely, token systems and sequential tissue-like P systems.

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Borsuk, Yurii. "Topological analysis of roadway and railway networks of the Ukrainian-Polish borderlands (on the example of Lviv Oblast and Subcarpathian Voivodeship)." Journal of Geology, Geography and Geoecology 33, no. 1 (2024): 44–53. http://dx.doi.org/10.15421/112405.

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   The paper presents an analysis of functioning of roadway and railway networks in the context of logistics flows. The interaction of road vehicles and railroad cars within the given territories was characterized. The provided spatiotemporal modelling allows comparing the configuration of roadways and railways from the peripheral settlements to the regional capitals. The points that form transport links with the administrative centres of each studied territory were identified. A comparative topological analysis of the given lines of roadway and railway transport within the U

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Zoungrana-Yameogo, WN, AMN Ngoufo Kenne-Combari, A. Some, et al. "Facteurs associés aux accouchements prématurés au Centre Hospitalier Universitaire de Tengandogo au Burkina Faso en 2022." Journal de la Recherche Scientifique de l’Université de Lomé 26, no. 3 (2025): 115–28. https://doi.org/10.4314/jrsul.v26i3.19.

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Introduction : Les accouchements prématurés font partis des facteurs de risque de mortalité néonatale. Plus de 65 % de ces accouchements surviennent en Afrique et en Asie. Cette étude avait pour objectif de déterminer les facteurs associés aux accouchements prématurés au Centre Hospitalier Universitaire de Tengandogo. Cadre et méthodes : Il s’est agi d’une étude transversale, descriptive et analytique qui s’est déroulée du 1er janvier au 31 décembre 2022. Un recensement des dossiers de toutes les patientes ayant accouché durant la période d’étude a été réalisé. Une régression logistique nous a

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Sáez-Aguado, Jesús, та Paula Camelia Trandafir. "Variants of the $$ \varepsilon $$ ε -constraint method for biobjective integer programming problems: application to p-median-cover problems". Mathematical Methods of Operations Research 87, № 2 (2017): 251–83. http://dx.doi.org/10.1007/s00186-017-0618-9.

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Andrei, Ionica. "Existence Theorems for Some Classes of Boundary Value Problems Involving the P(X)-Laplacian." Nonlinear Analysis: Modelling and Control 13, no. 2 (2008): 145–58. http://dx.doi.org/10.15388/na.2008.13.2.14575.

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We prove an alternative for a nonlinear eigenvalue problem involving the p(x)-Laplacian and study a subcritical boundary value problem for the same operator. The theoretical approach is the Mountain Pass Lemma and one of its variants, which is very useful in the study of eigenvalue problems.

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Tonato, Olivier, Elie Ayitondji Dannon, Saturnin Hounsou, and Daniel C. Chougourou. "Caractérisation des pratiques paysannes post récoltes de stockage et de conservation du maïs (Zea mays, Linné) au sud et au centre du Bénin." International Journal of Biological and Chemical Sciences 18, no. 4 (2024): 1313–29. https://doi.org/10.4314/ijbcs.v18i4.9.

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Au Bénin, la protection des stocks de maïs contre les nuisibles reste un problème majeur pour les producteurs. L’objectif de cette étude était d’identifier les différentes technologies post récoltes de stockage et de conservation adoptées par les maïsiculteurs du sud et centre du Bénin. Pour cela, une enquête à l’aide d’un questionnaire digitalisé avait été réalisée auprès de 530 maïsiculteurs répartis dans 24 arrondissements de 7 communes du sud et centre du Bénin à raison d’une commune par département. La commune ayant la plus forte production moyenne en maïs sur les cinq (05) dernières anné

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Diallo, MB, and Et Al. "Séroprévalence de l’hépatite B chez les femmes enceintes en consultation prénatale au centre de sante urbain Mafoudia de Dubreka (République de Guinée)." Revue Malienne d'Infectiologie et de Microbiologie 18, no. 1 (2023): 6–10. http://dx.doi.org/10.53597/remim.v18i1.2623.

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Introduction : Le virus de l’hépatite B (VHB) est un virus à ADN enveloppé, de la famille des Hepadnaviridae. Elle est l’une des maladies infectieuses les plus courantes dans le monde. On estime qu'il y a 350 millions de porteurs chroniques du virus de l'hépatite B (VHB) dans le monde avec un risque important chez les femmes enceintes. La présente étude avait pour but d’évaluer la séroprévalence de l’AgHBs chez les femmes enceintes reçues en consultation prénatale au centre de sante urbain Mafoudia de Dubreka. Méthode : Il s'agissait d'une étude transversale d’une durée de trois (03) mois alla

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Soumare, M., and Et Al. "Aspects radiologiques de la tuberculose pulmonaire chez les patients vivant avec le virus d’immunodéficience humaine dans les services de Maladies infectieuses et de Pneumophtisiologie du centre hospitalier universitaire Point G de Bamako." Revue Malienne d'Infectiologie et de Microbiologie 17, no. 2 (2022): 54–60. http://dx.doi.org/10.53597/remim.v17i2.2783.

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Introduction : la tuberculose constitue un problème majeur de santé publique dans les pays en développement où son incidence est augmentée par l’infection au VIH. Notre objectif principal était de déterminer l’aspect radiologique prédominant et sa relation avec le degré d’immunodépression chez les co-infectés TB/VIH. Méthodes : il s’agissait d’une étude rétrospective analytique descriptive, allant du 1er janvier 2015 au 30 juin 2017, portant sur les co-infectés TB/VIH hospitalisés dans les services de Maladies infectieuses et Pneumophtisiologie du CHU Point G de Bamako, disposant d’un cliché r

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Paslawski, Jerzy. "FLEXIBILITY APPROACH IN CONSTRUCTION PROCESS ENGINEERING / LANKSTUMAS STATYBOS PROCESO INŽINERIJOJE." Technological and Economic Development of Economy 14, no. 4 (2008): 518–30. http://dx.doi.org/10.3846/1392-8619.2008.14.518-530.

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The issues of environmental impact on building processes constitute a permanent aspect of the building industry, irrespective of various preventive actions (prefabrication, robotics etc.). The proposed method was developed in the course of tracking problems that arise during performance of building processes exposed to weather impact (as an example of interruptions) on construction sites of airports, highways, logistic centres, or installation of tall building facades. The proposed approach is based on creating multiple variants for process realization options, thus enabling adaptation to curr

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Захаров, И. В., В. Г. Терехов, А. Н. Соколовский, and С. С. Зыкова. "Reconfiguration of the on-board complex of a mobile object based on modeling of variants of its structural degradation." Vestnik of Russian New University. Series «Complex systems: models, analysis, management», no. 4 (January 23, 2023): 41–48. http://dx.doi.org/10.18137/rnu.v9187.22.04.p.39.

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Решение задач применения бортовых вычислительных комплексов подвижных объектов в условиях влияния неблагоприятных факторов различного происхождения требует гибкого управления режимами работы. Предлагаемый способ функционально-параметрического конфигурирования бортовых вычислительных комплексов подвижных объектов основан на оперативном управлении составом выполняемых задач и параметрами функционирования элементов бортовых вычислительных комплексов на основе анализа ресурса системы, условий функционирования и прогнозирования ее состояния. Solving the problems of using on-board computing systems

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Cohen, Seymour R., and Jerome W. Thompson. "Variants of Möbius' Syndrome and Central Neurologic Impairment." Annals of Otology, Rhinology & Laryngology 96, no. 1 (1987): 93–100. http://dx.doi.org/10.1177/000348948709600122.

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Möbius' syndrome is a complex neurologic disorder; its etiology and characterization have eluded clinicians for over a century. The pure Möbius' syndrome is rare, and the involvement of the sixth and seventh nerves has been found to have a host of associated defects. These include 1) limb and shoulder abnormalities; 2) multiple cranial nerve defects; 3) occasional mental retardation; 4) external, middle, and inner ear abnormalities; 5) laryngeal neurologic defects that cause stridor, obstruction, and aspiration; and 6) severe dysphagia and associated aspiration with life-threatening pneumonias

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Zuo, Mingcheng, and Guangming Dai. "P-lsGOF: A parallel learning-selection-based global optimization framework." Journal of Intelligent & Fuzzy Systems 39, no. 5 (2020): 7333–61. http://dx.doi.org/10.3233/jifs-200753.

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When optimizing complicated engineering design problems, the search spaces are usually extremely nonlinear, leading to the great difficulty of finding optima. To deal with this challenge, this paper introduces a parallel learning-selection-based global optimization framework (P-lsGOF), which can divide the global search space to numbers of sub-spaces along the variables learned from the principal component analysis. The core search algorithm, named memory-based adaptive differential evolution algorithm (MADE), is parallel implemented in all sub-spaces. MADE is an adaptive differential evolutio

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Mané, M., AS Koné, L. Guèye, et al. "C105: Problématique des cancers du col utérin au Sénégal : Etude de cohorte rétrospective." African Journal of Oncology 2, no. 1 Supplement (2022): S44. http://dx.doi.org/10.54266/ajo.2.1s.c105.ogup1006.

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INTRODUCTION : Le cancer du col utérin est le 4ème cancer de la femme dans le monde, et le 2ème en Afrique, aussi bien en termes d’incidence que de mortalité. Son diagnostic est souvent réalisé dans nos contrées à un stade localement avancé, rendant la radio-chimiothérapie concomitante (RCC) indispensable. Toutefois, l’accès à la radiothérapie (RT) reste encore très limité, imposant la mise en route d’une chimiothérapie dite d’attente, dont le but principal serait de ralentir la progression locale de la maladie et d’éviter une probable dissémination micro-métastatique. L’objectif était d’évalu

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Yahimi, A., N. Djellata, C. Hanzen, and Rachid Kaidi. "Analyse des pratiques de détection des chaleurs dans les élevages bovins laitiers algériens." Revue d’élevage et de médecine vétérinaire des pays tropicaux 66, no. 1 (2013): 31. http://dx.doi.org/10.19182/remvt.10147.

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Une enquête sur les pratiques de détection des chaleurs a été réalisée dans 222 exploitations bovines, réparties dans cinq régions (wilayas) du centre de l’Algérie (Tizi Ouzou, Blida, Médéa, Tipaza et Bouira). Le questionnaire utilisé contenait des informations générales relatives à l’élevage (nombre de femelles, stabulation, spécialisation) mais aussi les pratiques de détection des chaleurs (périodes d’observation, signes observés) et les moyens complémentaires éventuellement utilisés. La majorité des éleveurs (57 p. 100) ont été confrontés à un problème de détection des chaleurs. Dans 49 p.

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Pamatika, Christian M., Victoire Oboylamba, Nestor Ngaba, et al. "Insuffisance rénale à Bangui : bilan de quatre années d’activité au Laboratoire du Centre Hospitalier Universitaire Communautaire." Revue de l’Infirmier Congolais 7, no. 1 (2023): 23–29. http://dx.doi.org/10.62126/zqrx.2023715.

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Introduction. Les reins sont des organes vitaux, qui participent au bon fonctionnement de l’organisme. L’insuffisance rénale est devenue un problème majeur de la santé publique par sa morbidité préoccupante. Les données statistiques des laboratoires à Bangui ont montré une hausse des cas anormaux de créatinine et de l’urée ces dernières années. L’objectif était de déterminer la prévalence de l’insuffisance rénale et la valeur seuil des cas. Matériel et Méthodes. L’étude réalisée au Laboratoire du Centre Hospitalier Universitaire Communautaire était rétrospective. L’échantillon de l’étude, exha

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Prata, Bruno de Athayde. "Um algoritmo enxame de partículas para uma variante do problema de máxima cobertura." Revista Gestão da Produção Operações e Sistemas, no. 2 (March 16, 2012): 189. http://dx.doi.org/10.15675/gepros.v0i2.417.

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O presente trabalho tem por objetivo, reportar o desenvolvimento de uma heurística enxame de partículas binária, para uma variante do problema de máxima cobertura. Tal variante consiste em um problema de minimização, o qual se aproxima bastante do problema p-medianas. Foram geradas aleatoriamente 10 instâncias de médio porte, as quais foram solucionadas de forma exata. Um algoritmo PSO binário foi desenvolvido para a variante supracitada, o qual teve sua performance comparada com o método exato e com uma adaptação da heurística de Chvátal. Os resultados obtidos apontam para a efetividade da ab

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Fatema, Akter Jeni, Das Shaily, and Afruja Nargis Kazi. "The Economic and Socio-Cultural Factors Affecting Performance of Women Entrepreneurs in Bangladesh: An Exploratory Study on Cumilla City." International Journal of Social Science and Human Research 04, no. 12 (2021): 3610–20. https://doi.org/10.47191/ijsshr/v4-i12-21.

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This study was designed to assess the economic and socio-cultural factors that affect the performance of women entrepreneurs of Cumilla city as well as Bangladesh. It also addressed the characteristics of women entrepreneurs and the supports they acquire from the surroundings. A sample of 60 women entrepreneurs engaged in different sectors was taken for the study using stratified and simple random sampling. In the process of answering the basic questions, a questionnaire that include demographic profiles, characteristics of women entrepreneurs and their enterprises, factors that affect the per

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Kim, Ju Myung, and Bentuo Zheng. "History, Developments and Open Problems on Approximation Properties." Mathematics 8, no. 7 (2020): 1117. http://dx.doi.org/10.3390/math8071117.

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In this paper, we give a comprehensive review of the classical approximation property. Then, we present some important results on modern variants, such as the weak bounded approximation property, the strong approximation property and p-approximation property. Most recent progress on E-approximation property and open problems are discussed at the end.

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Yaoitcha, Alain Sèakpo, Thierry Dèhouégnon Houehanou, Agbatan Marc Koutchoro, et al. "Efficacité comparée de l’utilisation des éclats de souche et des graines de <em>Panicum maximum </em> C1 dans le contrôle d’invasion de <em>Hyptis suaveolens</em> au Nord-Bénin." Revue d’élevage et de médecine vétérinaire des pays tropicaux 78 (July 9, 2025): 1–10. https://doi.org/10.19182/remvt.37007.

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Contexte : La prolifération de Hyptis suaveolens dans les parcours naturels constitue de nos jours un problème pastoral majeur pour les éleveurs en Afrique de l’Ouest, et en particulier au Bénin. Objectif : Cette étude se propose d’évaluer les effets de la graminée Panicum maximum C1 ensemencée avec des graines ou installée avec des éclats de souche sur l’invasion par H. suaveolens dans les parcours naturels au Nord-Bénin. Méthodes : Des expérimentations ont été menées sur les parcours naturels du Centre de Recherches Agricoles d’Ina, avec un dispositif expérimental de bloc aléatoire complet à

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Gazdag, Zsolt, and Gábor Kolonits. "A new method to simulate restricted variants of polarizationless P systems with active membranes." Journal of Membrane Computing 1, no. 4 (2019): 251–61. http://dx.doi.org/10.1007/s41965-019-00024-z.

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AbstractAccording to the P conjecture by Gh. Păun, polarizationless P systems with active membranes cannot solve $${\mathbf {NP}}$$NP-complete problems in polynomial time. The conjecture is proved only in special cases yet. In this paper we consider the case where only elementary membrane division and dissolution rules are used and the initial membrane structure consists of one elementary membrane besides the skin membrane. We give a new approach based on the concept of object division polynomials introduced in this paper to simulate certain computations of these P systems. Moreover, we show h

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Farber, Eduard, Alexey V. Orlov, and Anatoly A. Popovich. "TiNi Alloy Lattice Structures with Negative Poisson Ratio: Computer Simulation." Key Engineering Materials 944 (April 10, 2023): 61–67. http://dx.doi.org/10.4028/p-ek41j4.

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Today, one of the problems of modern implants is their high rigidity, which can lead to bone resorption at the interface between the implant and the bone and to the gradual detachment of the implant. In addition, implant detachment can occur due to the positive Poisson's ratio of the implant along its entire length. This phenomenon is described in detail in [1]. As a possible solution to these problems, it is proposed to use lattice structures with negative Poisson's ratio from TiNi alloy. This alloy has a fairly low modulus of elasticity - about 48 GPa. The use of a porous (lattice) structure

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Sychev, A., V. Avilov, M. Savenkova, E. Luneva, and A. Sychev. "Improvement of the tribological properties of heavy-loaded friction units “Centre block-footstep bearing” of a freight car." Journal of Physics: Conference Series 2131, no. 5 (2021): 052033. http://dx.doi.org/10.1088/1742-6596/2131/5/052033.

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Abstract Various problems and different approaches of solution of such a problematic unit as “centre block-footstep bearing” of freight cars are discussed in the paper. The methods of improving the tribological properties of this friction unit by means of material modification of friction surfaces and perfection of physical, chemical and tribological properties of the used lubricants were studied. Grease lubricants common for friction units of railway machinery were used after being modified with inorganic polymers based on double metaphosphates. Bench and operational tests of the developed ad

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Kalenchuk, M. L., and D. M. Savinov. "Problems and prospects of educational lexicography: a new school dictionary of Russian pronunciation." Russian language at school 85, no. 1 (2024): 67–77. http://dx.doi.org/10.30515/0131-6141-2024-85-1-67-77.

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The article critically examines various educational pronouncing (orthoepic) dictionaries and states the main objections to the quality of such resources. Criticism centres on the irregularities in the transcription rules adopted in school textbooks; phonetic and orthoepic errors; mixing orthoepic information with other linguistic phenomena; the issue of age-related adaptation of school dictionaries; insufficient relevance of pronunciation instructions; criteria for glossary compilation. The analysis demonstrated the need for creating a new educational dictionary, a Dictionary of Russian Pronun

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Orlova, E. M. "Federal clinical recommendations on diagnostics and treatment of hypoparathyroidism in the children and adolescents." Problems of Endocrinology 60, no. 3 (2014): 69–74. http://dx.doi.org/10.14341/probl201460369-74.

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Hypoparathyroidism is a rare etiologically heterogeneous condition that manifests itself in the children in the first place as hypocalcemia. The purely hypocalcemic convulsions are usually interpreted as manifestations of epilepsy which leads to the prescription of an inadequate treatment. The early diagnostics and correct therapy ensure the normal development and social adaptation of the affected child. The present clinical guidelines developed at the Institute of Pediatric Endocrinology, Endocrinological Research Centre, highlight the diagnostic problems pertaining to hypoparathyroidism, as

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Sangho, O., S. Ouattara, N. Telly, et al. "Evaluation de la prise en charge des patients atteints de tuberculose pulmonaire pharmaco-sensible au Centre de santé de référence, Commune V de Bamako, 2015-2018." Revue Malienne d'Infectiologie et de Microbiologie 16, no. 2 (2021): 26–31. http://dx.doi.org/10.53597/remim.v16i2.1866.

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Introduction : En 2018, 6605 cas de tuberculose ont été notifiés au Mali. Bamako en a notifié 32%. Malgré les efforts déployés, la tuberculose constitue un problème majeur de santé de publique. Objectif : Evaluer la prise en charge de la tuberculose pulmonaire en Commune V de Bamako de 2015 à 2018. Matériel et méthodes : Nous avons réalisé une étude transversale de septembre à octobre 2019 sur des séries de cas de tuberculose pulmonaire enregistrées au Centre de Santé de Référence (CSRéf) de la Commune V de Bamako. A l’analyse bivariée les OR ont été estimés et testées à l’aide du Khi Deux au

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Dabrowski, Konrad K., Carl Feghali, Matthew Johnson, Giacomo Paesani, Daniël Paulusma, and Paweł Rzążewski. "On Cycle Transversals and Their Connected Variants in the Absence of a Small Linear Forest." Algorithmica 82, no. 10 (2020): 2841–66. http://dx.doi.org/10.1007/s00453-020-00706-6.

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Abstract A graph is H-free if it contains no induced subgraph isomorphic to H. We prove new complexity results for the two classical cycle transversal problems Feedback Vertex Set and Odd Cycle Transversal by showing that they can be solved in polynomial time on $$(sP_1+ P_3)$$ ( s P 1 + P 3 ) -free graphs for every integer $$s\ge 1$$ s ≥ 1 . We show the same result for the variants Connected Feedback Vertex Set and Connected Odd Cycle Transversal. We also prove that the latter two problems are polynomial-time solvable on cographs; this was already known for Feedback Vertex Set and Odd Cycle T

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PĂUN, GHEORGHE. "COMPUTING WITH MEMBRANES (P SYSTEMS): A VARIANT." International Journal of Foundations of Computer Science 11, no. 01 (2000): 167–81. http://dx.doi.org/10.1142/s0129054100000090.

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Membrane Computing is a recently introduced area of Molecular Computing, where a computation takes place in a membrane structure where multisets of objects evolve according to given rules (they can also pass through membranes). The obtained computing models were called P systems. In basic variants of P systems, the use of objects evolution rules is regulated by a given priority relation; moreover, each membrane has a label and one can send objects to precise membranes, identified by their labels. We propose here a variant where we get rid of both there rather artificial (non-biochemical) featu

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Wojtas, Krzysztof, and Piotr Faliszewski. "Possible Winners in Noisy Elections." Proceedings of the AAAI Conference on Artificial Intelligence 26, no. 1 (2021): 1499–505. http://dx.doi.org/10.1609/aaai.v26i1.8255.

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We consider the problem of predicting winners in elections given complete knowledge about all possible candidates, all possible voters (together with their preferences), but in the case where it is uncertain either which candidates exactly register for the election or which voters cast their votes. Under reasonable assumptions our problems reduce to counting variants of election control problems. We either give polynomial-time algorithms or prove #P-completeness results for counting variants of control by adding/deleting candidates/voters for Plurality, k-Approval, Approval, Condorcet, and Max

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Benghezel, Hichem, Asma Cheribet, Hadjer Bezzouza, et al. "Hyperuricemia and cardiovascular risk: study in a population admitted to the cardiology department of the University Hospital of Batna." Batna Journal of Medical Sciences (BJMS) 6, no. 2 (2019): 109–15. http://dx.doi.org/10.48087/bjmsoa.2019.6206.

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La pathologie coronarienne est une pathologie grave posant un véritable problème de santé publique. De nombreux facteurs de risques sont à l’origine ou aggravent cette affection. L’incrimination de l’hyperuricémie comme facteur du risque cardiovasculaire reste un sujet discuté. Nous avons réalisé une étude rétrospective sur 95 prélèvements de patients collectés au niveau du service de cardiologie du centre hospitalo-universitaire de Batna Algérie, afin d’évaluer l’importance et les associations possibles entre l’hyperuricémie et les autres facteurs du risque cardiovasculaire à savoir : diabète

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Gumisirizah, Nicholus, Charles M. Muwonge, and Joseph Nzabahimana. "Effect of problem-based learning on students’ problem-solving ability to learn physics." Physics Education 59, no. 1 (2023): 015015. http://dx.doi.org/10.1088/1361-6552/ad0577.

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Abstract A learner’s success is supported by the ability to understand real-world problems. This study aimed to examine the effect of problem-based learning on problem-solving ability in the teaching and learning of physics. The study was guided by socio-constructivism theory. A quasi-experiment was conducted with 829 Senior-2 Physics students (age 13–15) from eight (8) selected lower secondary schools in Sheema District, Uganda. Schools were assigned to treatment and control groups using a purposive random sampling technique. Students’ problem-solving ability was measured by conducting a prob

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Lu, Chun, and Xingyi Zhang. "Solving Vertex Cover Problem by Means of Tissue P Systems with Cell Separation." International Journal of Computers Communications & Control 5, no. 4 (2010): 540. http://dx.doi.org/10.15837/ijccc.2010.4.2512.

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Tissue P systems is a computing model in the framework of membrane computing inspired from intercellular communication and cooperation between neurons. Many different variants of this model have been proposed. One of the most important models is known as tissue P systems with cell separation. This model has the ability of generating an exponential amount of workspace in linear time, thus it allows us to design cellular solutions to NP-complete problems in polynomial time. In this paper, we present a solution to the Vertex Cover problem via a family of such devices. This is the first solution t

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Holling, Tess, Sheela Nampoothiri, Bedirhan Tarhan, et al. "Novel biallelic variants expand the SLC5A6-related phenotypic spectrum." European Journal of Human Genetics 30, no. 4 (2022): 439–49. http://dx.doi.org/10.1038/s41431-021-01033-2.

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AbstractThe sodium (Na+):multivitamin transporter (SMVT), encoded by SLC5A6, belongs to the sodium:solute symporter family and is required for the Na+-dependent uptake of biotin (vitamin B7), pantothenic acid (vitamin B5), the vitamin-like substance α-lipoic acid, and iodide. Compound heterozygous SLC5A6 variants have been reported in individuals with variable multisystemic disorder, including failure to thrive, developmental delay, seizures, cerebral palsy, brain atrophy, gastrointestinal problems, immunodeficiency, and/or osteopenia. We expand the phenotypic spectrum associated with bialleli

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Ul Hassan, Nafees, Waqas Haider Bangyal, M. Sadiq Ali Khan, Kashif Nisar, Ag Asri Ag. Ibrahim, and Danda B. Rawat. "Improved Opposition-Based Particle Swarm Optimization Algorithm for Global Optimization." Symmetry 13, no. 12 (2021): 2280. http://dx.doi.org/10.3390/sym13122280.

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Particle Swarm Optimization (PSO) has been widely used to solve various types of optimization problems. An efficient algorithm must have symmetry of information between participating entities. Enhancing algorithm efficiency relative to the symmetric concept is a critical challenge in the field of information security. PSO also becomes trapped into local optima similarly to other nature-inspired algorithms. The literature depicts that in order to solve pre-mature convergence for PSO algorithms, researchers have adopted various parameters such as population initialization and inertia weight that

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Treanţă, Savin, Muhammad Uzair Awan, Muhammad Zakria Javed, and Bandar Bin-Mohsin. "Results on some robust multi-cost variational models." AIMS Mathematics 10, no. 1 (2025): 932–50. https://doi.org/10.3934/math.2025044.

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<p>In this study, a new family of robust multiobjective fractional variational control problems was introduced and investigated. To this end, a dual model was associated with the class of problems. Further, by considering variants of convexity for the involved functionals (determined by curvilinear integrals that did not depend on the path), we provided some characterization and equivalence results for the considered models. Moreover, an illustrative numerical example was formulated.</p>

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Alfano, Gaetano, Francesco Fontana, Niccolò Morisi, et al. "Ethical challenges in managing unvaccinated patients receiving chronic in-centre haemodialysis." Clinical Kidney Journal 15, no. 4 (2021): 615–17. http://dx.doi.org/10.1093/ckj/sfab276.

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ABSTRACT Insufficient vaccine coverage and dominance of the more transmissible severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants are the leading causes of the continued spread of coronavirus disease 2019 (COVID-19) worldwide. To curb the surge in infections, COVID-19 vaccination has been advocated as a priority measure, especially for frail populations and people at high risk of exposure. Patients on in-centre maintenance haemodialysis (HD) embody both conditions. They are at high risk of severe COVID-19 consequences due to their advanced age and weakened immune system and

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Zhang, Xue Bai, Ge Xiang Zhang, and Ji Xiang Cheng. "An Improved Quantum-Inspired Evolutionary Algorithm Based on P Systems with a Dynamic Membrane Structure for Knapsack Problems." Applied Mechanics and Materials 239-240 (December 2012): 1528–31. http://dx.doi.org/10.4028/www.scientific.net/amm.239-240.1528.

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To improve the performance of Quantum-inspired Evolutionary algorithm based on P Systems (QEPS), this paper presents an improved QEPS with a Dynamic Membrane Structure (QEPS-DMS) to solve knapsack problems. QEPS-DMS combines quantum-inspired evolutionary algorithms (QIEAs) with a P system with a dynamic membrane structure. In QEPS-DMS, a QIEA is considered as a subalgorithm to put inside each elementary membrane of a one-level membrane structure, which is dynamically adjusted in the process of evolution by applying a criterion for measuring population diversity. The dynamic adjustment includes

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BAREQUET, GILL, and SARIEL HAR-PELED. "POLYGON CONTAINMENT AND TRANSLATIONAL IN-HAUSDORFF-DISTANCE BETWEEN SEGMENT SETS ARE 3SUM-HARD." International Journal of Computational Geometry & Applications 11, no. 04 (2001): 465–74. http://dx.doi.org/10.1142/s0218195901000596.

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The 3SUM problem represents a class of problems conjectured to require Ω(n2) time to solve, where n is the size of the input. Given two polygons P and Q in the plane, we show that some variants of the decision problem, whether there exists a transformation of P that makes it contained in Q, are 3SUM-hard. In the first variant P and Q are any simple polygons and the allowed transformations are translations only; in the second and third variants both polygons are convex and we allow either rotations only or any rigid motion. We also show that finding the translation in the plane that minimizes t

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Richard Owusu Nyarko, R. Roopini, Velicharla Raviteja, et al. "Novel Sars-CoV-2 Variants & Therapeutic Effects." Journal for Research in Applied Sciences and Biotechnology 1, no. 2 (2022): 25–34. http://dx.doi.org/10.55544/jrasb.1.2.3.

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COVID-19 is a severe respiratory infection caused by coronavirus 2. (SARS-CoV-2). Even while SARS-CoV-2 predominantly affects the respiratory system, it can cause problems for other important organs as well. Multiple novel variations of concern have appeared since the beginning of the SARS-CoV-2 pandemic, including the Alpha (B.1.1.7), Beta (B.1.351), Gamma (P.1), Delta (B.1.617.2), and Omicron (B.1.1.529), all of which are linked to increased transmissibility and severity. Both the newly discovered variants and the most recent innovative treatments for the treatment of COVID-19 are discussed

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Underwood, Jack F. G., Kimberley M. Kendall, Jennifer Berrett, et al. "Autism spectrum disorder diagnosis in adults: phenotype and genotype findings from a clinically derived cohort." British Journal of Psychiatry 215, no. 5 (2019): 647–53. http://dx.doi.org/10.1192/bjp.2019.30.

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BackgroundThe past decade has seen the development of services for adults presenting with symptoms of autism spectrum disorder (ASD) in the UK. Compared with children, little is known about the phenotypic and genetic characteristics of these patients.AimsThis e-cohort study aimed to examine the phenotypic and genetic characteristics of a clinically presenting sample of adults diagnosed with ASD by specialist services.MethodIndividuals diagnosed with ASD as adults were recruited by the National Centre for Mental Health and completed self-report questionnaires, interviews and provided DNA; 105 e

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Iourov, I. Y., A. P. Gerasimov, O. S. Kurinnaia, et al. "Cytogenomics and epileptology: a desired alliance." Russian Neurosurgical Journal named after Professor A. L. Polenov 15, no. 4 (2023): 147–51. https://doi.org/10.56618/2071-2693_2023_15_4_147.

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Since 2021, theoretical studies in the framework of a collaboration between researchers of Mental Health Research Center (and Veltischev Research and Clinical Institute for Pediatrics and Pediatric Surgery of the Pirogov Russian National Research Medical University) and Polenov Neurosurgical Institute, Almazov National Medical Research Centre have resulted in the formation of a consortium designated as “Cytogenomic epileptology”. Here, the work of the consortium is described; the essential problems, which are planned to be solved by our consortium members, are listed. More specifically, chromo

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Mousoulis, Christos, Alexia Karantana, Ryan W. Trickett, Kim S. Thomas, and Paul Leighton. "‘It’s just a finger isn’t it…’: patients’ perspectives of recovery following finger fractures and participation in surgical trials – a qualitative interview study." BMJ Open 13, no. 5 (2023): e065185. http://dx.doi.org/10.1136/bmjopen-2022-065185.

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ObjectivesTo (1) generate detailed, person-centred data about the experience of finger injury and treatment and (2) understand the patients’ perspectives of research involvement with a view to informing better designed future studies in hand injury.DesignQualitative study using semistructured interviews and framework analysis.Participants19 participants who were part of the Cohort study of Patients’ Outcomes for Finger Fractures and Joint Injuries study in a single secondary care centre in the UK.ResultsThe results of this study showed that although finger injuries are frequently seen as minor

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Ho, Ky, and Inbo Sim. "On sufficient “local” conditions for existence results to generalized p(.)-Laplace equations involving critical growth." Advances in Nonlinear Analysis 12, no. 1 (2022): 182–209. http://dx.doi.org/10.1515/anona-2022-0269.

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Abstract In this article, we study the existence of multiple solutions to a generalized p ( ⋅ ) p\left(\cdot ) -Laplace equation with two parameters involving critical growth. More precisely, we give sufficient “local” conditions, which mean that growths between the main operator and nonlinear term are locally assumed for p ( ⋅ ) p\left(\cdot ) -sublinear, p ( ⋅ ) p\left(\cdot ) -superlinear, and sandwich-type cases. Compared to constant exponent problems (e.g., p p -Laplacian and ( p , q ) \left(p,q) -Laplacian), this characterizes the study of variable exponent problems. We show this by appl

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Song, Bosheng, Kenli Li, David Orellana-Martín, Mario J. Pérez-Jiménez, and Ignacio PéRez-Hurtado. "A Survey of Nature-Inspired Computing." ACM Computing Surveys 54, no. 1 (2021): 1–31. http://dx.doi.org/10.1145/3431234.

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Nature-inspired computing is a type of human-designed computing motivated by nature, which is based on the employ of paradigms, mechanisms, and principles underlying natural systems. In this article, a versatile and vigorous bio-inspired branch of natural computing, named membrane computing is discussed. This computing paradigm is aroused by the internal membrane function and the structure of biological cells. We first introduce some basic concepts and formalisms of membrane computing, and then some basic types or variants of P systems (also named membrane systems ) are presented. The state-of

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