Binomial arithmetical rank of edge ideals of forests

Kimura, Kyouko; Terai, Naoki

doi:10.1090/S0002-9939-2013-11473-5

Binomial arithmetical rank of edge ideals of forests
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Proc. Amer. Math. Soc. 141 (2013), 1925-1932 Request permission

Abstract:

We prove that the binomial arithmetical rank of the edge ideal of a forest coincides with its big height.

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