cerebral 发表于 2025-3-21 16:55:11

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混合,搀杂 发表于 2025-3-21 21:44:09

On crossing numbers and linguistic structures,nteresting linguistic implications can be asked as questions about crossing numbers of graphs. We give 21 line critical graphs with crossing number 2 which belong to a set conjectured to characterise graphs with crossing number at most 1.

inscribe 发表于 2025-3-22 02:20:25

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debouch 发表于 2025-3-22 07:27:15

ditions imposed on the probability of occurence of edges, this number has the Poisson or the standarized normal distribution. It generalizes several results dealing with subgraphs of various kinds of random graph.

冥界三河 发表于 2025-3-22 10:22:57

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消息灵通 发表于 2025-3-22 14:56:25

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消息灵通 发表于 2025-3-22 19:19:30

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BUCK 发表于 2025-3-22 23:39:44

Random graphs and the physical world,d mainly by chemists. Such systems show an abrupt transition with the appearance of a giant component (1-connected subgraph) which models transitions in physical systems. It is known that further abrupt transitions in .. (and ..) occur with the appearance of giant .-connected subgraphs and these tra

definition 发表于 2025-3-23 03:50:45

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发怨言 发表于 2025-3-23 07:10:18

Combinatorial properties of sign-patterns in some classes of matrices,
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