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20162025
most citedGalois action on the principal block and cyclic Sylow subgroups

16 citations · 16 across the 14 of their papers we have counts for

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Showing 2023Show all

3 papers · 1 filter

math.GR2023

Brauer's problem 21 for principal blocks

Alexander Moretó, Noelia Rizo, A. A. Schaeffer Fry

Problem 21 of Brauer's list of problems from 1963 asks whether for any positive integer k there are finitely many isomorphism classes of groups that occur as the defect group of a…

math.GR2023

The blocks with five irreducible characters

J. Miquel Martínez, Noelia Rizo, Lucia Sanus

Let be a finite group, a prime and a Brauer -block of with defect group . We prove that if the number of irreducible ordinary characters in is then $D…

math.RT2023

Minimal heights and defect groups with two character degrees

Gunter Malle, Alexander Moretó, Noelia Rizo

Conjecture A of \cite{EM14} predicts the equality between the smallest positive height of the irreducible characters in a -block of a finite group and the smallest positive heig…