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math.AC2018
The weak Lefschetz property of a special class of Artinian algebras over fields of positive characteristic
Hassan Haghighi, Sepideh Tashvighi
In this paper, we study the dependence of the weak Lefschetz property of algebras defined by a special class of monomials ideals in a polynomial ring with coefficient in a field, t…
math.AG2018
On the fattening of ACM arrangements of codimension 2 subspaces in P^N
Mohammad Zaman Fashami, Hassan Haghighi, Tomasz Szemberg
In the present note we study configurations of codimension 2 flats in projective spaces and classify those with the smallest rate of growth of the initial sequence. Our work extend…