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Auswahl der wissenschaftlichen Literatur zum Thema „Graphe à arêtes colorées“
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Zeitschriftenartikel zum Thema "Graphe à arêtes colorées"
Peroche, B., und B. Sadi. „Recouvrement et partition en chaînes des arêtes d'un graphe cubique“. RAIRO - Operations Research 20, Nr. 2 (1986): 163–70. http://dx.doi.org/10.1051/ro/1986200201631.
Der volle Inhalt der QuelleLalanne, Jean-Christophe. „Caractérisation de la charge des arêtes du graphe support d'un réseau nodal de commutation temporelle asynchrone“. RAIRO - Operations Research 22, Nr. 2 (1988): 177–203. http://dx.doi.org/10.1051/ro/1988220201771.
Der volle Inhalt der QuelleGuo, Alan. „Cyclic sieving phenomenon in non-crossing connected graphs“. Discrete Mathematics & Theoretical Computer Science DMTCS Proceedings vol. AO,..., Proceedings (01.01.2011). http://dx.doi.org/10.46298/dmtcs.2923.
Der volle Inhalt der QuelleLenart, Cristian, und Arthur Lubovsky. „A uniform realization of the combinatorial $R$-matrix“. Discrete Mathematics & Theoretical Computer Science DMTCS Proceedings, 27th..., Proceedings (01.01.2015). http://dx.doi.org/10.46298/dmtcs.2491.
Der volle Inhalt der QuelleHaase, Christian, Gregg Musiker und Josephine Yu. „Linear Systems on Tropical Curves“. Discrete Mathematics & Theoretical Computer Science DMTCS Proceedings vol. AN,..., Proceedings (01.01.2010). http://dx.doi.org/10.46298/dmtcs.2847.
Der volle Inhalt der QuelleKarpman, Rachel. „Bridge Graphs and Deodhar Parametrizations for Positroid Varieties“. Discrete Mathematics & Theoretical Computer Science DMTCS Proceedings, 27th..., Proceedings (01.01.2015). http://dx.doi.org/10.46298/dmtcs.2490.
Der volle Inhalt der QuelleDissertationen zum Thema "Graphe à arêtes colorées"
Abouelaoualim, Abdelfattah. „Exploration des graphes arêtes-colorées : topologie, algorithmes, complexité et (non)-approximabilité“. Paris 11, 2007. https://tel.archives-ouvertes.fr/tel-00281533.
Der volle Inhalt der QuelleThe graphs which edges are colored with c>1 colors, with c is a given integer, in other words c-edge-colored graphs, have a growing number of fields of applications particularly in molecular biology and VLSI. Their theoretical motivation is obvious sine they are a generalization of digraphs. In the present work, we explore these graphs to extract and study structures (i. E. Subgraphs) called properly-edge-colored which every pair of adjacent edges differ in color. We start this work by a part introducing the most notable results in the literature and cover the majority of questions treated in this topic since the sixties. In the second part, first we give characterizations of certain properly-edge-colored structures such as paths and cycles. After that, we were interested by the construction of polynomial algorithms, the study of complexity and approximability aspect of a variety of structures
Hu, Jie. „Rainbow subgraphs and properly colored subgraphs in colored graphs“. Electronic Thesis or Diss., université Paris-Saclay, 2022. http://www.theses.fr/2022UPASG045.
Der volle Inhalt der QuelleIn this thesis, we study rainbow subgraphs and properly colored subgraphs in edge-colored graphs, and compatible subgraphs in gra-phs with incompatibility systems, which can be viewed as a generalization of edge-colored graphs. Compared with general graphs, edge-colored gra-phs contain more information and are able to model more complicated relations in communication net-work, social science, molecular biology and so on. Hence, the study of structures in edge-colored graphs is significant to both graph theory and other related subjects. We first study the minimum color degree condition forcing vertex-disjoint rainbow triangles in edge-colored graphs. In 2013, Li proved a best possible minimum color degree condition for the existence of a rainbow triangle. Motivated by this, we obtain a sharp minimum color degree condition guaran-teeing the existence of two vertex-disjoint rainbow triangles and propose a conjecture about the exis-tence of k vertex-disjoint rainbow triangles. Secondly, we consider the relation between the order of maximum properly colored tree in edge-colored graph and the minimum color degree. We obtain that for an edge-colored connected graph G, the order of maximum properly colored tree is at least \min\{|G|, 2\delta^{c}(G)\}, which generalizes a result of Cheng, Kano and Wang. Moreover, the lower bound 2delta^{c}(G) in our result is best possible and we characterize all extremal graphs. Thirdly, we research the minimum color degree condition guaranteeing the existence of properly colored 2-factors in edge-colored graphs. We derive an asymptotic minimum color degree con-dition forcing every properly colored 2-factor with exactly t components, which generalizes a result of Lo. We also determine the best possible mini-mum color degree condition for the existence of a properly colored 2-factor in an edge-colored bipartite graph. Finally, we study compatible factors in graphs with incompatibility systems. The notion of incom-patibility system was firstly introduced by Krivelevich, Lee and Sudakov, which can be viewed as a quantitative measure of robustness of graph properties. Recently, there has been an increasing interest in studying robustness of graph proper-ties, aiming to strengthen classical results in extremal graph theory and probabilistic combina-torics. We study the robust version of Alon--Yuster's result with respect to the incompatibility system
Borozan, Valentin. „Proper and weak-proper trees in edges-colored graphs and multigraphs“. Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00738959.
Der volle Inhalt der QuelleOuyang, Qiancheng. „Some colouring problems in edge/vertex-coloured graphs : Structural and extremal studies“. Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG060.
Der volle Inhalt der QuelleGraph colouring is one of the best known, popular and extensively researched subject in the field of graph theory, having a wide literature with approaches from many domains and a lot of problems, which are still open and studied by various mathematicians and computer scientists along the world. The Four Colour Problem, originating the study of graph colouring, was one of the central problem in graph theory in the last century, which asks if it is possible to colour every planar graph properly by four colours. Despite the theoretical origin, the graph colouring has found many applications in practice like scheduling, frequency assignment problems, segmentation, etc. The Four Colour Problem is a significant one among many problems in chromatic graph theory, from which many variants and generalizations have been proposed. Firstly, in this thesis, we aim to optimize the strategy to colour the vertex of graphs and hypergraphs with some given constraints, which combines the concept of proper colouring and representative element of some vertex subsets. On the other hand, according to the subject to be coloured, a large amount of research and problems of edge-coloured graphs have emerged, which have important applications to biology and web technologies. We provide some analogous results for some connectivity issues—to describe graphs whose edges are assigned enough colours, that guarantee spanning trees or cycles of a specific chromatic structure
Benkouar, Azzeddine. „Compléxité et parallélisation d'algorithmes de graphes arêtes-colorés“. Paris 12, 1995. http://www.theses.fr/1995PA120016.
Der volle Inhalt der QuelleMontero, Leandro Pedro. „Graphes et couleurs : graphes arêtes-coloriés, coloration d'arêtes et connexité propre“. Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00776899.
Der volle Inhalt der QuelleMendy, Gervais. „Chaînes alternées dans les graphes arête-coloriés : k-linkage et arbres couvrants“. Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00769929.
Der volle Inhalt der QuelleSen, Sagnik. „A contribution to the theory of graph homomorphisms and colorings“. Phd thesis, Bordeaux, 2014. http://tel.archives-ouvertes.fr/tel-00960893.
Der volle Inhalt der QuelleChen, Ailian. „Combinatorial methods and probabilistic methods in graph theory“. Paris 11, 2008. http://www.theses.fr/2008PA112101.
Der volle Inhalt der QuelleBraham, Yosra. „Parallélisation de la ligne de partage des eaux dans le cadre des graphes à arêtes valuées sur architecture multi-cœurs“. Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1137/document.
Der volle Inhalt der QuelleOur work is a contribution of the parallelization of the Watershed Transform in particular the Watershed cuts which are a notion of watershed introduced in the framework of Edge Weighted Graphs. We have developed a state of art on the sequential watershed algorithms in order to motivate the choice of the algorithm that is the subject of our study, which is the M-border Kernel algorithm. The main objective of this thesis is to parallelize this algorithm in order to reduce its running time. First, we presented a review on the works that have treated the parallelization of the different types of Watershed in order to identify the issues raised by this task and the appropriate solutions to our context. In a second place, we have shown that despite the locality of the basic operation of this algorithm which is the lowering of some edges named the M-border edges; its parallel execution raises a data dependency problem, especially at the M-border edges which have a common non-minimum vertex. In this context, we have proposed three strategies of parallelization of this algorithm that solve this problematic: the first strategy consists of dividing the initial graph into bands called partitions processed in parallel by P processors. The second strategy is to divide the edges of the initial graph alternately into subsets of independent edges. The third strategy consists in examining the vertices instead of the edges of the initial graph while preserving the thinning paradigm on which the sequential algorithm is based. Therefore, the set of non-minima vertices adjacent to the minima ones are processed in parallel. Finally, we studied the parallelization of a segmentation technique based on the M-border kernel algorithm. This technique consists of three main steps which are: regional minima detection, vertices valuation and M-border kernel computation. For this purpose, we began by studying the data dependency of the different stages of this technique and we proposed parallel algorithms for each one of them. In order to evaluate our contributions, we implemented the parallel algorithms proposed in this thesis, on a shared memory multi-core architecture. The results obtained showed a notable gain in terms of execution time. This gain is translated by speedup factors that increase with the number of processors whatever is the resolution of the input images
Buchteile zum Thema "Graphe à arêtes colorées"
„7. Dessinons un graphe dans le plan sans croiser les arêtes“. In À la découverte des graphes et des algorithmes de graphes, 55–64. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2102-0-007.
Der volle Inhalt der Quelle„7. Dessinons un graphe dans le plan sans croiser les arêtes“. In À la découverte des graphes et des algorithmes de graphes, 55–64. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-2102-0.c007.
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