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math.GR2022★ 1 cited
On ideals in group algebras: an uncertainty principle and the Schur product
Martino Borello, Wolfgang Willems, Giovanni Zini
In this paper we investigate some properties of ideals in group algebras of finite groups over fields. First, we highlight an important link between their dimension, their minimal…
math.GR2019
The Möbius function of for any prime
Martino Borello, Francesca Dalla Volta, Giovanni Zini
Let be the simple group , where is a prime number. For any subgroup of , we compute the Möbius function of in the subgroup lattice of . To t…