MEN
发表于 2025-3-30 08:24:51
2297-0215 s in this conference.Collects the extended abstracts of the .This book collects the extended abstracts of the accepted contributions to EuroComb21. A similar book is published at every edition of EuroComb (every two years since 2001) collecting the most recent advances in combinatorics, graph theory
predict
发表于 2025-3-30 15:04:39
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得意牛
发表于 2025-3-30 16:38:16
The True, the Good and the Beautiful,sibly depending on .). We first consider the case when . is a random geometric graph, and obtain an asymptotically optimal result. We then consider the case when . is a random regular graph, and obtain different results depending on the regularity.
BAN
发表于 2025-3-30 21:20:08
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柱廊
发表于 2025-3-31 01:58:51
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调色板
发表于 2025-3-31 08:32:50
https://doi.org/10.1007/978-3-476-99688-6f this result by presenting another construction . and showing that any .-vertex, connected, .-uniform hypergraph without a Berge-path of length ., that contains more than . hyperedges must be a subhypergraph of the extremal hypergraph ., provided . is large enough compared to ..
他去就结束
发表于 2025-3-31 13:01:52
Some Results on the Laplacian Spectra of Token Graphs,. such that ., the Laplacian spectrum of . is contained in the Laplacian spectrum of .. Besides, we obtain a relationship between the spectra of the .-token graph of . and the .-token graph of its complement .. This generalizes a well-known property for Laplacian eigenvalues of graphs to token graphs.
Abduct
发表于 2025-3-31 15:34:54
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Capitulate
发表于 2025-3-31 20:26:12
Christian Korunka,Bettina Kubicek of pseudocircles. Furthermore, we construct an infinite family of 4-edge-critical 4-regular planar graphs which are fractionally 3-colorable. This disproves the conjecture of Gimbel, Kündgen, Li and Thomassen (2019) that every 4-chromatic planar graph has fractional chromatic number strictly greater than 3.
残忍
发表于 2025-4-1 00:52:58
Coloring Circle Arrangements: New 4-Chromatic Planar Graphs, of pseudocircles. Furthermore, we construct an infinite family of 4-edge-critical 4-regular planar graphs which are fractionally 3-colorable. This disproves the conjecture of Gimbel, Kündgen, Li and Thomassen (2019) that every 4-chromatic planar graph has fractional chromatic number strictly greater than 3.