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Diskretnaya Matematika, 2020, Volume 32, Issue 1, Pages 27–50
DOI: https://doi.org/10.4213/dm1550
(Mi dm1550)
 

Perfect matchings and $K_{1, p}$-restricted graphs

P. A. Irzhavski, Yu. L. Orlovich

Belarusian State University, Minsk
References:
Abstract: A graph is called $K_{1, p}$-restricted ($p \ge 3$) if for every vertex of the graph there are at least $p - 2$ edges between any $p$ of its neighbours. We establish sufficient conditions for the existence of a perfect matching in $K_{1, p}$-restricted graphs in terms of their connectivity and vertex degrees. These conditions imply, in particular, the classical Petersen's result: any $2$-edge-connected $3$-regular graph contains a perfect matching.
Keywords: $K_{1, p}$-restricted graph, strongly $K_{1, p}$-restricted graph, perfect matching, factor-critical graph.
Received: 23.11.2018
Revised: 07.02.2020
English version:
Discrete Mathematics and Applications, 2020, Volume 30, Issue 6, Pages 391–408
DOI: https://doi.org/10.1515/dma-2020-0036
Bibliographic databases:
Document Type: Article
UDC: 519.17
Language: Russian
Citation: P. A. Irzhavski, Yu. L. Orlovich, “Perfect matchings and $K_{1, p}$-restricted graphs”, Diskr. Mat., 32:1 (2020), 27–50; Discrete Math. Appl., 30:6 (2020), 391–408
Citation in format AMSBIB
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\by P.~A.~Irzhavski, Yu.~L.~Orlovich
\paper Perfect matchings and $K_{1, p}$-restricted graphs
\jour Diskr. Mat.
\yr 2020
\vol 32
\issue 1
\pages 27--50
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\crossref{https://doi.org/10.4213/dm1550}
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\transl
\jour Discrete Math. Appl.
\yr 2020
\vol 30
\issue 6
\pages 391--408
\crossref{https://doi.org/10.1515/dma-2020-0036}
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\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85099094693}
Linking options:
  • https://www.mathnet.ru/eng/dm1550
  • https://doi.org/10.4213/dm1550
  • https://www.mathnet.ru/eng/dm/v32/i1/p27
  • Citing articles in Google Scholar: Russian citations, English citations
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    Дискретная математика
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    Abstract page:295
    Full-text PDF :114
    References:32
    First page:17
     
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