Let I, J, K, and L be irreducible monomial ideals in a polynomial ring over a field k. In this paper, we prove reg(IJKL) ≤ reg(I)+reg(J)+reg(K)+reg(L).
SONG Juanjuan
,
GAO Yubin
. On the Castelnuovo-Mumford regularity of product of irreducible monomial ideals[J]. Journal of University of Chinese Academy of Sciences, 2018
, 35(6)
: 724
-730
.
DOI: 10.7523/j.issn.2095-6134.2018.06.002
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