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Symbolic powers versus regular powers of ideals of general points in P^1 x P^1
symbolic powers multigraded points
2011/9/20
Abstract: Let I be a homogeneous ideal of R = k[x_0,...,x_n]. A current research theme is to compare the symbolic powers of I with the regular powers of I. In this paper, we investigate which ordinary...
Equality of ordinary and symbolic powers of Stanley-Reisner ideals
Stanley-Reisner ideal Cohen-Macaulay ideal symbolic power vertex cover Ramsey graph
2010/11/30
This paper studies properties of simplicial complexes with the equal-ity I(m) = Im
for a given m ≥ 2. The main results are combinatorial characteriza-tions of such complexes in the two-dimensio...