Mathematics – Commutative Algebra
Scientific paper
2010-11-30
Mathematics
Commutative Algebra
Scientific paper
Lyubeznik introduced the concept of size of a monomial ideal and showed that
the size of a monomial ideal increased by $1$ is a lower bound for its depth.
We show that the size is also a lower bound for its Stanley depth. Applying
Alexander duality we obtain upper bounds for the regularity and Stanley
regularity of squarefree monomial ideals.
Herzog Jürgen
Popescu Dorin
Vladoiu Marius
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