2 papers
math.RT2025
Alperin's bound and normal Sylow subgroups
Zhicheng Feng, J. Miquel Martínez, Damiano Rossi
Let be a finite group, a prime number and a Sylow -subgroup of . Recently, G. Malle, G. Navarro, and P. H. Tiep conjectured that the number of -Brauer characte…
math.GR2021
Character degrees in blocks and defect groups
Eugenio Giannelli, J. Miquel Martínez, A. A. Schaeffer Fry
A recent question of Gabriel Navarro asks whether it is true that the derived length of a defect group is less than or equal to the number of degrees of irreducible characters in a…