外表
发表于 2025-3-21 20:07:18
书目名称Recent Trends in Combinatorics影响因子(影响力)<br> http://impactfactor.cn/if/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics影响因子(影响力)学科排名<br> http://impactfactor.cn/ifr/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics网络公开度<br> http://impactfactor.cn/at/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics网络公开度学科排名<br> http://impactfactor.cn/atr/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics被引频次<br> http://impactfactor.cn/tc/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics被引频次学科排名<br> http://impactfactor.cn/tcr/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics年度引用<br> http://impactfactor.cn/ii/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics年度引用学科排名<br> http://impactfactor.cn/iir/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics读者反馈<br> http://impactfactor.cn/5y/?ISSN=BK0823408<br><br> <br><br>书目名称Recent Trends in Combinatorics读者反馈学科排名<br> http://impactfactor.cn/5yr/?ISSN=BK0823408<br><br> <br><br>
捕鲸鱼叉
发表于 2025-3-21 23:59:31
https://doi.org/10.1007/978-3-319-24298-9Cominatorics; Discrete Dynamical Systems; Discrete Geometry; Enumerative Cominatorics; Hamilton Cycles; P
AWL
发表于 2025-3-22 03:29:58
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跑过
发表于 2025-3-22 04:44:22
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发微光
发表于 2025-3-22 09:10:09
Independent transversals and hypergraph matchings - an elementary approachng hypergraph version of Hall’s Theorem, due to Aharoni and Haxell from 2000. Let . be an .-uniform hypergraph with a vertex partition (., .), in which every edge has exactly one vertex in .. Suppose that for every subset ., the neighbourhood hypergraph . of . has a matching of size (. − 1)( | . | − 1) + 1. Then . has a matching of size | . | .
贵族
发表于 2025-3-22 15:11:28
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大笑
发表于 2025-3-22 17:24:10
Algebraic aspects of the normalized Laplacianing graphs have rich structure which can help in determining the eigenvalues associated with a particular graph matrix. This survey looks at some common techniques in working with and determining the eigenvalues associated with the normalized Laplacian matrix, in addition to some algebraic applications of these eigenvalues.
Fibrin
发表于 2025-3-22 22:17:40
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Hiatus
发表于 2025-3-23 05:02:56
Character sums and arithmetic combinatoricsst quadratic nonresidues, Dirichlet L-function, Linnik’s problem. We also discuss open problems in this area. Some of the techniques involved belong to arithmetic combinatorics. One may hope for these methods to lead to further progress.
verdict
发表于 2025-3-23 08:10:20
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