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Stanley depth of monomial ideals with small number of generators

Mircea Cimpoeaş — 2009

Open Mathematics

For a monomial ideal I ⊂ S = K[x 1...,x n], we show that sdepth(S/I) ≥ n − g(I), where g(I) is the number of the minimal monomial generators of I. If I =νI′, where ν ∈ S is a monomial, then we see that sdepth(S/I) = sdepth(S/I′). We prove that if I is a monomial ideal I ⊂ S minimally generated by three monomials, then I and S/I satisfy the Stanley conjecture. Given a saturated monomial ideal I ⊂ K[x 1,x 2,x 3] we show that sdepth(I) = 2. As a consequence, sdepth(I) ≥ sdepth(K[x 1,x 2,x 3]//I) +1...

On supercharacter theoretic generalizations of monomial groups and Artin's conjecture

Mircea Cimpoeaş; Alexandru Radu — 2022

Czechoslovak Mathematical Journal

We extend the notions of quasi-monomial groups and almost monomial groups in the framework of supercharacter theories, and we study their connection with Artin’s conjecture regarding the holomorphy of Artin $L$ -functions.

Regularity for certain classes of monomial ideals.

Cimpoeaş, Mircea — 2007

Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică

Finite simplicial multicomplexes.

Cimpoeaş, Mircea — 2006