Christoffel–Darboux Type Identities for the Independence Polynomial

Christoffel–Darboux Type Identities for the Independence Polynomial
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独立多项式的 Christoffel-Darboux 型恒等式

DOI:
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发表时间:
2014
期刊:
Combinatorics, probability & computing
影响因子:
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通讯作者:
Ferenc Bencs
Ferenc Bencs
中科院分区:
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文献类型:
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作者:
Ferenc Bencs

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在本文中,我们介绍了一些基督教 - 达伯克斯的身份,以作为一种应用,我们给出了chudnovsky和Seymour定理的新证明,该定理指出,无爪的独立性多项式仅具有真实的根源应用与Merrifield和Simmons的概念有关。
In this paper we introduce some Christoffel–Darboux type identities for independence polynomials. As an application, we give a new proof of a theorem of Chudnovsky and Seymour, which states that the independence polynomial of a claw-free graph has only real roots. Another application is related to a conjecture of Merrifield and Simmons.