Weak regularity and finitely forcible graph limits
Weak regularity and finitely forcible graph limits
复制标题
弱正则性和有限强制图极限
DOI:
10.1090/tran/7066
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发表时间:
2018
影响因子:
1.3
通讯作者:
Cooper J
中科院分区:
文献类型:
--
作者:
Cooper J
Graphons are analytic objects representing limits of convergent sequences of graphs. Lovász and Szegedy conjectured that every finitely forcible graphon, ie, any graphon determined by finitely many graph densities, has a simple structure. In particular, one of their conjectures would imply that every finitely forcible graphon has a weak-regular partition with the number of parts bounded by a polynomial in. We construct a finitely forcible graphonsuch that the number of parts in any weak-regular partition ofis at least exponential in. This bound almost matches the known upper bound for graphs and, in a certain sense, is the best possible for graphons. References
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DOI:
10.1017/s0963548316000110
发表时间:
2012
期刊:
Combinatorics, Probability and Computing
影响因子:
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作者:
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通讯作者:
A. Razborov
影响因子:
2.2
作者:
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通讯作者:
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期刊:
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影响因子:
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通讯作者:
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影响因子:
1
作者:
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通讯作者:
Balázs Szegedy
DOI:
10.1016/j.jctb.2012.09.003
发表时间:
2011
期刊:
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影响因子:
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作者:
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通讯作者:
R. Sampaio