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Somayeh Moradi

Academic rank: Associate Professor
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Education: PhD.
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Faculty: Basic Science
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Research

Title
Matchings in hypergraphs and Castelnuovo-Mumford regularity
Type
JournalPaper
Keywords
edge ideal, hypergraph, matching number, regularity, vertex decomposable
Year
2017
Journal Publicationes Mathematicae
DOI
Researchers Somayeh Moradi ، Fahimeh Khosh-Ahang Ghasr

Abstract

In this paper, we introduce and generalize some combinatorial invariants of graphs such as matching number and induced matching number to hypergraphs. Then we compare them together and present some upper bounds for the regularity of Stanley-Reisner ring of $\Delta_{\mathcal{H}}$ for certain hypergraphs $\mathcal{H}$ in terms of the introduced matching numbers.