引导
发表于 2025-3-25 07:14:04
Independence and Coverings,A set of vertices of a graph is called . if no two vertices in it are adjacent. In other words, a set . is independent in . if the induced subgraph .(.) is empty. Clearly, in this case any subset . is also independent.
考古学
发表于 2025-3-25 08:17:21
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斜谷
发表于 2025-3-25 14:01:47
Matroids,Let . be a finite nonempty set and let . be a set of its subsets satisfying the following two conditions, called .:
right-atrium
发表于 2025-3-25 18:58:33
Planarity,Recall that a continuous rectifiable curve without self-intersections is called a ..
encomiast
发表于 2025-3-25 21:17:27
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Anticoagulants
发表于 2025-3-26 03:05:39
Degree Sequences,A sequence .., ..,... ..) of nonnegative integers will be called an . and denoted by the single letter .. The sequence . called . if there exists a graph whose degree sequence is .. Such graph is called a . of the sequence ..
Engaging
发表于 2025-3-26 06:19:42
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lobster
发表于 2025-3-26 12:01:43
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–scent
发表于 2025-3-26 15:04:24
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高脚酒杯
发表于 2025-3-26 17:36:05
0927-4529 e books match each other in their contents, notations, and terminology. The authors hope that both students and lecturers will find this book helpful for mastering and verifying the understanding of the peculiarities of graphs. The exercises are grouped into eleven chapters and numerous sections acc