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31 p, 699.1 KB |
C ⋆ -algebras of higher-rank graphs from groups acting on buildings, and explicit computation of their K-theory
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Mutter, Sam A. (Newcastle University. School of Mathematics, Statistics and Physics) ;
Radu, Aura-Cristiana (Newcastle University. School of Mathematics, Statistics and Physics) ;
Vdovina, Alina (Newcastle University. School of Mathematics, Statistics and Physics)
We unite elements of category theory, K-theory, and geometric group theory, by defining a class of groups called k-cube groups, which act freely and transitively on the product of k trees, for arbitrary k. [...]
2024 - 10.5565/PUBLMAT6812408
Publicacions matemàtiques, Vol. 68 Núm. 1 (2024) , p. 187-217 (Articles)
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2.
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16 p, 2.7 MB |
A Bocage Landscape Restricts the Gene Flow of Pest Vole Populations
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Somoano, Aitor (Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA)) ;
Bastos-Silveira, Cristiane (Universidade de Lisboa. Centro de Ecologia, Evolução e Alterações Ambientais) ;
Ventura Queija, Jacinto (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ;
Miñarro, Marcos (Servicio Regional de Investigación y Desarrollo Agroalimentario (SERIDA)) ;
Heckel, Gerald (University of Bern. Institute of Ecology and Evolution)
The population dynamics of most animal species inhabiting agro-ecosystems may be determined by landscape characteristics, with agricultural intensification and the reduction of natural habitats influencing dispersal and hence limiting gene flow. [...]
2022 - 10.3390/life12060800
Life, Vol. 12, Issue 6 (June 2022) , art. 800
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10 p, 11.2 MB |
Connectomic-genetic signatures in the cerebral small vessel disease
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Gutiérrez-Zúñiga, Raquel (Hospital Universitario La Paz (Madrid)) ;
Diez, Ibai (Harvard Medical School) ;
Bueichekú, Elisenda (Harvard Medical School) ;
Kim, Chan-Mi (Harvard Medical School) ;
Orwig, William (Harvard Medical School) ;
Montal, Victor (Institut d'Investigació Biomèdica Sant Pau) ;
Fuentes, Blanca (Hospital Universitario La Paz (Madrid)) ;
Díez-Tejedor, Exuperio (Hospital Universitario La Paz (Madrid)) ;
Gutiérrez-Fernández, Maria (Hospital Universitario La Paz (Madrid)) ;
Sepulcre, Jorge (Harvard Medical School) ;
Universitat Autònoma de Barcelona
Small vessel disease (SVD) is a disorder that causes vascular lesions in the entire parenchyma of the human brain. At present, it is not well understood how primary and secondary damage interact to give rise to the complex scenario of white matter (WM) and grey matter (GM) lesions. [...]
2022 - 10.1016/j.nbd.2022.105671
Neurobiology of Disease, Vol. 167 (january 2022) , p. 105671
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22 p, 871.9 KB |
Analizando perfiles de reconocimiento en teoría de grafos
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González Herrera, Antonio (Universidad de Sevilla) ;
Gallego-Sánchez, Inés (Universidad de Sevilla) ;
Gavilán Izquierdo, José María (Universidad de Sevilla) ;
Puertas, María Luz (Universidad de Almería)
En este trabajo exploramos las habilidades de reconocimiento en teoría de grafos que poseen estudiantes universitarios del grado en Ingeniería Informática-Tecnologías Informáticas de la Universidad de Sevilla. [...] In this work, we explore the recognition skills in graph theory of undergraduate students of the degree in Computer Science-Information Technology of the University of Seville. For this purpose, we design a questionnaire that we use as an instrument for data collection, which are subsequently analysed by means of an adaptation of the methodology of the calculation of the degrees of acquisition, giving rise to different profiles of recognition in graph theory. [...]
2022 - 10.5565/rev/ensciencias.3402
Enseñanza de las ciencias, Vol. 40 Núm. 3 (2022) , p. 87-107 (Investigaciones Didácticas)
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27 p, 4.1 MB |
From Single Aircraft to Communities : A Neutral Interpretation of Air Traffic Complexity Dynamics
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Isufaj, Ralvi (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Omeri, Marsel (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Piera, Miquel Àngel (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Saez Valls, Jaume (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Verdonk Gallego, Christian Eduardo (CRIDA A.I.E)
At present, decision-making in ATM is fragmented between different stakeholders who have different objectives. This fragmentation, in unison with competing KPAs, leads to complex interdependencies between performance indicators, which results in an imbalance, with some of these indicators being penalized to the apparent benefit of others. Therefore, it is necessary to support ATM stakeholders in systematically uncovering hidden trade-offs between KPAs. Existing literature confirms this claim, but how to solve it has not been fully addressed. In this paper, we envision air traffic complexity to be the framework through which a common understanding among stakeholders is enhanced. We introduce the concept of single aircraft complexity to determine the contribution of each aircraft to the overall complexity of air traffic. Furthermore, we describe a methodology extending this concept to define complex communities, which are groups of interdependent aircraft that contribute the majority of the complexity in a certain airspace. Through use-cases based on synthetic and real historical traffic, we first show that the algorithm can serve to formalize and improve decision-making. Further, we illustrates how the provided information can be used to increase transparency of the decision makers towards different airspace users. In order to showcase the methodology, we develop a tool that visualizes different outputs of the algorithm. Lastly, we conduct sensitivity analysis in order to systematically analyse how each input affects the methodology. 2022 +520 3_ - 10.3390/aerospace9100613
Aerospace, Vol. 9, Issue 10 (October 2022) , art. 613
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11 p, 1.0 MB |
IgIDivA : immunoglobulin intraclonal diversification analysis
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Zaragoza-Infante, Laura (Aristotle University of Thessalonik) ;
Junet, Valentin (Universitat Autònoma de Barcelona. Institut de Biotecnologia i de Biomedicina "Vicent Villar Palasí") ;
Pechlivanis, Nikos (Centre for Research and Technology Hellas (Tessalònica, Grècia)) ;
Fragkouli, Styliani-Christina (Centre for Research and Technology Hellas (Tessalònica, Grècia)) ;
Amprachamian, Serovpe (Centre for Research and Technology Hellas (Tessalònica, Grècia)) ;
Koletsa, Triantafyllia (Aristotle University of Thessaloniki) ;
Chatzidimitriou, Anastasia (Centre for Research and Technology Hellas (Tessalònica, Grècia)) ;
Papaioannou, Maria (Aristotle University of Thessaloniki) ;
Stamatopoulos, Kostas (Centre for Research and Technology Hellas (Tessalònica, Grècia)) ;
Agathangelidis, Andreas (University of Athens) ;
Psomopoulos, Fotis (Centre for Research and Technology Hellas (Tessalònica, Grècia))
Intraclonal diversification (ID) within the immunoglobulin (IG) genes expressed by B cell clones arises due to ongoing somatic hypermutation (SHM) in a context of continuous interactions with antigen(s). [...]
2022 - 10.1093/bib/bbac349
Briefings in Bioinformatics, Vol. 23, Issue 5 (September 2022) , art. bbac349
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17 p, 5.6 MB |
Main product detection with graph networks for fashion
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Yazici, Vacit Oguz (Centre de Visió per Computador (Bellaterra, Catalunya)) ;
Yu, L. (Wide-Eyes Technologies) ;
Ramisa, A. (Amazon Inc.) ;
Herranz, Luis (Centre de Visió per Computador (Bellaterra, Catalunya)) ;
van de Weijer, Joost (Centre de Visió per Computador (Bellaterra, Catalunya))
Computer vision has established a foothold in the online fashion retail industry. Main product detection is a crucial step of vision-based fashion product feed parsing pipelines, focused on identifying the bounding boxes that contain the product being sold in the gallery of images of the product page. [...]
2022 - 10.1007/s11042-022-13572-x
Multimedia Tools and Applications, (August 2022)
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