Literatura académica sobre el tema "Graphes de Helly bipartis"
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Artículos de revistas sobre el tema "Graphes de Helly bipartis"
Eguia, Martiniano y Francisco Juan Soulignac. "Hereditary biclique-Helly graphs: recognition and maximal biclique enumeration". Discrete Mathematics & Theoretical Computer Science Vol. 15 no. 1, Graph and Algorithms (10 de febrero de 2013). http://dx.doi.org/10.46298/dmtcs.626.
Texto completoGuay-Paquet, Mathieu, Alejandro H. Morales y Eric Rowland. "Structure and enumeration of $(3+1)$-free posets (extended abstract)". Discrete Mathematics & Theoretical Computer Science DMTCS Proceedings vol. AS,..., Proceedings (1 de enero de 2013). http://dx.doi.org/10.46298/dmtcs.12809.
Texto completoDalfó, Cristina, Clemens Huemer y Julián Salas. "The Degree/Diameter Problem in Maximal Planar Bipartite graphs". Electronic Journal of Combinatorics 23, n.º 1 (18 de marzo de 2016). http://dx.doi.org/10.37236/4468.
Texto completoBulavka, Denys, Martin Tancer y Mykhaylo Tyomkyn. "Weak Saturation of Multipartite Hypergraphs". Combinatorica, 27 de julio de 2023. http://dx.doi.org/10.1007/s00493-023-00049-0.
Texto completoLewis, Stephen y Nathaniel Thiem. "Nonzero coefficients in restrictions and tensor products of supercharacters of $U_n(q)$ (extended abstract)". Discrete Mathematics & Theoretical Computer Science DMTCS Proceedings vol. AN,..., Proceedings (1 de enero de 2010). http://dx.doi.org/10.46298/dmtcs.2840.
Texto completoSpiridonov, Alexey. "Pattern-Avoidance in Binary Fillings of Grid Shapes (short version)". Discrete Mathematics & Theoretical Computer Science DMTCS Proceedings vol. AJ,..., Proceedings (1 de enero de 2008). http://dx.doi.org/10.46298/dmtcs.3610.
Texto completoTesis sobre el tema "Graphes de Helly bipartis"
Bénéteau, Laurine. "Médians de graphes : algorithmes, connexité et axiomatique". Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0512.
Texto completoThe median problem is one of the most investigated problem in metric graph theory. We will start by studying this problem in median graphs. We present a linear time algorithm based on the majority rule which characterize the median in median graphs and on a fast computation of the parallelism classes of the edges (the \Theta-classes) via LexBFS which is a particular breadth first search algorithm.We also provide linear time algorithms to compute the median set in the l_1-cube complexes of median graphs and in event structures. Then, we provide a characterization of the graphs with connected medians in the pth power of the graph and provide a polynomial method to check if a graph is a G^p-connected median graph, extending a result of Bandelt and Chepoi (case p=1). We use this characterization to prove that some important graph classes in metric graph theory have G2-connected medians, such as bipartite Helly graphs and bridged graphs. We will also studied the axiomatic aspect of the median function by investigating the ABC-problem, which determine the graphs (named ABC-graphs) in which the median function is the only consensus function verifying three simples axioms (A) Anonymat, (B) Betweeness and (C) Consistency. We show that modular graphs with G2-connected medians are ABC-graphs and define new axioms allowing us to characterize the median function on some graph classes. For example the graphs with connected medians (including Helly graphs). We also show that a known class of ABC-graphs (graphs satisfying the pairing property) is a proper subclass of bipartite Helly graphs and we investigate their recognition
Aïder, Méziane. "Réseaux d'interconnexion bipartis : colorations généralisées dans les graphes". Phd thesis, Grenoble 1, 1987. http://tel.archives-ouvertes.fr/tel-00325779.
Texto completoAïder, Méziane. "Réseaux d'interconnexion bipartis colorations généralisées dans les graphes /". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37602131d.
Texto completoAïder, Méziane Payan Charles. "Réseaux d'interconnexion bipartis colorations généralisées dans les graphes /". S.l. : Université Grenoble 1, 2008. http://tel.archives-ouvertes.fr/tel-00325779.
Texto completoChakroun, Nasr Ali. "Problèmes de circuits, chemins et diamètres dans les graphes : routage dans les réseaux". Paris 11, 1986. http://www.theses.fr/1986PA112354.
Texto completoBenchettara, Nasserine. "Prévision de nouveaux liens dans les réseaux d'interactions bipartis : Application au calcul de recommandation". Paris 13, 2011. http://scbd-sto.univ-paris13.fr/secure/edgalilee_th_2011_benchettara.pdf.
Texto completoIn this work, we handle the problem of new link prediction in dynamic complex networks. We mainly focus on studying networks having a bipartite underlaying structure. We propose to apply a propositionnalization approach where each couple of nodes in the network is described by a set of topological measures. One first contribution in this thesis is to consider measures computed in the bipartite graph and also in the associated projected graphs. A supervised machine learning approach is applied. This approach though it gives some good results, suffers from the obvious problem of class skewness. We hence focus on handling this problem. Informed sub-sampling approaches are first proposed. A semi-supervised machine learning approach is also applied. All proposed approaches are applied and evaluated on real datasets used in real application of academic collaboration recommendation and product recommendation in an e-commerce site
Kadi, Abderrezzak Mohamed El. "Existence de cycles dans les graphes bipartis et dans plusieurs familles de graphes généralisant la classe des graphes sans K₁,₃". Paris 11, 1999. http://www.theses.fr/1999PA112401.
Texto completoIn this thesis, we study sufficient conditions for the existence of cycles of given length in several families of graphs. The thesis consists of two parts: The first one is dedicated to bipartite graphs. We consider mainly bipartite balanced graphs that are hamiltonian, bipancyclic, S-cyclable and S-pancyclable. The conditions we investigate concern degree, independence number and k-biclosure. The second part concerns claw-free graphs. We examine several families that generalize the claw-free graphs family, mainly the λ-claw-free graphs and the S(K₁,₃)-free graphs. We look for sufficient conditions that insure some special cycles in those families of graphs or in their squares
Allali, Oussama. "Structure et dynamique des graphes de terrain bipartis : liens internes et prédiction de liens". Paris 6, 2011. http://www.theses.fr/2011PA066201.
Texto completoHazim, Sharif Walied. "L'extension respectueuse entre posets à hauteur constante et ses rapports avec les graphes bipartis (ou tableaux bivalents)". Aix-Marseille 1, 1993. http://www.theses.fr/1993AIX11041.
Texto completoTackx, Raphaël. "Analyse de la structure communautaire des réseaux bipartis". Electronic Thesis or Diss., Sorbonne université, 2018. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2018SORUS550.pdf.
Texto completoIn the real world, numerous networks appear naturally, they are everywhere, in many disciplines, for example in computer science with router networks, satellite networks, webpage networks, in biology with neural networks, in ecology with biological interaction networks, in linguistic with synonym networks, in law with legal decision networks, in economy with interbank networks, in social sciences and humanities with social networks. Generally, a network reflects the interactions between many entities of a system. These interactions have different sources, a social link or a friendship link in a social network, a cable in a router network, a chemical reaction in a protein-protein interaction network, a hyperlink in a webpage network. Furthermore, the rapid democratization of digital technology in our societies, with internet in particular, leads to create new systems which can be seen as networks. Finally, all these networks depict very specific features : they come from pratical contexts, most of the time they are big (they may be comprised of several billion of nodes and links, containing a large amount of information), they share statistical properties. In this regard, they are called real-world networks or complex networks. Nowaday, network science is a research area in its own right focusing on describing and modeling these networks in order to reveal their main features and improve our understanding of their mecanisms. Most of the works in this area use graphs formalism which provides a set of mathematical tools well suited for analyzing the topology of these networks. It exists many applications, for instance applications in spread of epidemy or computer viruses, weakness of networks in case of a breakdown, attack resilience, study for link prediction, recommandation, etc. One of the major issue is the identification of community structure. The large majority of real-world networks depicts several levels of organization in their structure. Because of there is a weak global density coupled with a strong local density, we observe that nodes are usually organized into groups, called communities, which are more internally connected than they are to the rest of the network. Moreover, these structures have a meaning in the network itself, for example communities of a social network may correspond to social groups (friends, families, etc.), communities of a protein-protein network may translate fonctions of a cell, communities may be also related to similar subjects in a webpage network [...]
Actas de conferencias sobre el tema "Graphes de Helly bipartis"
Kolberg, Fabricio Schiavon, Marina Groshaus, André Luiz Pires Guedes y Renato Carmo. "Results on Circular-Arc Bigraphs". En I Encontro de Teoria da Computação. Sociedade Brasileira de Computação - SBC, 2018. http://dx.doi.org/10.5753/etc.2016.9846.
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