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Czechoslovak Mathematical Journal, Vol. 68, No. 3, pp. 843-852, 2018

Cohen-Macaulay modifications of the vertex cover ideal of a graph

Safyan Ahmad, Shamsa Kanwal, Talat Firdous

Received January 15, 2017.   Published online June 7, 2018.
Abstract:  We study when the modifications of the Cohen-Macaulay vertex cover ideal of a graph are Cohen-Macaulay.
Keywords:  monomial ideal, minimal vertex cover, polarization of ideal, chordal graph
Classification MSC:  13A02, 13D02, 13D25, 13P10
DOI:  10.21136/CMJ.2018.0020-17
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References:
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Affiliations:   Safyan Ahmad, Shamsa Kanwal, Abdus Salam School of Mathematical Sciences, GC University Lahore, Lahore, Pakistan, e-mail: safyank@gmail.com, lotus_zone16@yahoo.com; Talat Firdous, University of Gujrat, Gujrat, Pakistan, e-mail: talatfirdous25@gmail.com
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