Mapping cones of monomial ideals over exterior algebras
Commutative Algebra
2024-05-14 v2
Abstract
Let be a field, a finite dimensional -vector space and the exterior algebra of . We analyze iterated mapping cone over . If is a monomial ideal of with linear quotients, we show that the mapping cone construction yields a minimal graded free resolution of via the Cartan complex. Moreover, we provide an explicit description of the differentials in when the ideal has a regular decomposition function. Finally, we get a formula for the graded Betti numbers of a new class of monomial ideals including the class of strongly stable ideals.
Keywords
Cite
@article{arxiv.2303.06953,
title = {Mapping cones of monomial ideals over exterior algebras},
author = {Marilena Crupi and Antonino Ficarra and Ernesto Lax},
journal= {arXiv preprint arXiv:2303.06953},
year = {2024}
}
Comments
This is the final version of our paper, published in Communications in Algebra