3 papers
math.GR2008
Universal Upper Bound for the Growth of Artin Monoids
Barbu Berceanu, Zaffar Iqbal
In this paper we study the growth rates of Artin monoids and we show that 4 is a universal upper bound. We also show that the generating functions of the associated right-angled Ar…
math.AC2008
Cohen-Macaulay Monomial Ideals of Codimension 2
Muhammad Naeem
We give a structure theorem for Cohen Macaulay monomial ideals of codimension 2, and describe all possible relation matrices of such ideals. In case that the ideal has a linear res…
math.AG2008
Admissible local systems for a class of line arrangements
Shaheen Nazir, Zahid Raza
A rank one local system $\LL$ on a smooth complex algebraic variety is admissible roughly speaking if the dimension of the cohomology groups $H^m(M,\LL)$ can be computed direct…