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Reconfiguring Multiple Connected Components with Size Multiset Constraints

delete2026-01-01
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Yu Nakahata *
DOI:10.1007/978-981-95-0218-9_6delete
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摘要

摘要

En 中文
我们提出了一种新的独立集重构(ISR)的泛化:连通分量重构(CCR)。在CCR中,给定一个图G、两个顶子集A和B以及一个正整数多重集M。问题是A和B是否能在某种规则下重构,同时确保每个顶子集诱导的连通分量的大小与多重集M匹配。ISR是CCR的一个特例,其中M仅包含1。我们还提出了新的重构规则:分量跳跃(CJ)和分量滑动(CS),它们将连通分量视为标记。由于CCR泛化了ISR,该问题是PSPACE完全的。与之相反,我们证明了三个正面结果:首先,当G为路径时,CCR-CS和CCR-CJ分别可在线性时间和二次时间内求解。其次,我们证明CCR-CS可在线性时间内求解图是拟阵图的情况。第三,当M仅包含相同元素(即所有连通分量大小相同)时,我们证明若G为弦图,CCR-CJ可在线性时间内求解。第二和第三结果泛化了ISR的已知结果,并展示了重构规则之间的有趣差异。
Keyword:
Combinatorial reconfiguration
Graph algorithm
Connected component
Cograph
Chordal graph

期刊

C
COMPUTING AND COMBINATORICS, COCOON 2025, PT II
IF:
0
论文数:
24
被引数:
0

机构

N
nara institute of science & technology
学者数:
4.1K
论文数: 3.1K
被引数: 7
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