activity
20022024
most citedBetti numbers of monomial ideals via facet covers

9 citations · 27 across the 27 of their papers we have counts for

collaborators
Showing 2013Show all

9 papers · 1 filter

math.AC2013★ 6 cited

The projective dimension of sequentially Cohen-Macaulay monomial ideals

Sara Faridi

In this short note we prove that the projective dimension of a sequentially Cohen-Macaulay square-free monomial ideal is equal to the maximal height of its minimal primes (also kno…

math.AC2013

Multigraded Betti numbers of simplicial forests

Nursel Erey, Sara Faridi

We prove that multigraded Betti numbers of a simplicial forest are always either 0 or 1. Moreover a nonzero multidegree appears exactly at one homological degree in the resolution.…

math.CO2013★ 1 cited

Games and Complexes II: Weight Games and Kruskal-Katona Type Bounds

Sara Faridi, Svenja Huntemann, Richard J. Nowakowski

A strong placement game played on a board is equivalent to a simplicial complex . We look at weight games, a subclass of strong placement games, and introduce uppe…

math.CO2013

Games and Complexes I: Transformation via Ideals

Sara Faridi, Svenja Huntemann, Richard J. Nowakowski

Placement games are a subclass of combinatorial games which are played on graphs. We will demonstrate that one can construct simplicial complexes corresponding to a placement game,…

math.AC2013

When is a Squarefree Monomial Ideal of Linear Type ?

Ali Alilooee, Sara Faridi

In 1995 Villarreal gave a combinatorial description of the equations of Rees algebras of quadratic squarefree monomial ideals. His description was based on the concept of closed ev…

math.AC2013

A good leaf order on simplicial trees

Sara Faridi

Using the existence of a good leaf in every simplicial tree, we order the facets of a simplicial tree in order to find combinatorial information about the Betti numbers of its face…