List edge colourings of some 1-factorable multigraphs

List edge colourings of some 1-factorable multigraphs
复制标题

列出一些 1-因式多重图的边缘着色

DOI:
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发表时间:
1996
期刊:
Comb.
影响因子:
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通讯作者:
Luis A. Goddyn
Luis A. Goddyn
中科院分区:
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文献类型:
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作者:
M. Ellingham;Luis A. Goddyn

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摘要列表边着色猜想指出,给定任意具有色标k的多图G和任意集系统{Se:e∈e (G)},且每个|Se|=k,我们可以选择元素sse∈sesh,使得Se≠s0,且f是相邻边。使用涉及图单项式的Alon和Tarsi技术 $$prod {left{ {xu - x_upsilon :uupsilon in E} ight}}$$ 在有向图 中,我们对若干可因子多图族(包括可因子平面图)验证了这一猜想。
AbstractThe List Edge Colouring Conjecture asserts that, given any multigraphG with chromatic indexk and any set system {Se:e∈E(G)} with each |Se|=k, we can choose elementsse∈Sesuch thatse≠sfwhenevere andf are adjacent edges. Using a technique of Alon and Tarsi which involves the graph monomial $$prod {left{ {xu - x_upsilon :uupsilon in E} ight}}$$ of an oriented graph, we verify this conjecture for certain families of 1-factorable multigraphs, including 1-factorable planar graphs.