2 papers
math.GT2023
Extending free actions of finite groups on unoriented surfaces
Omar A. Cruz, Gustavo Ortega, Carlos Segovia
We present the unoriented versions of the Schur and Bogomolov multipliers associated with a finite group . We show that the unoriented Schur multiplier is isomorphic to the seco…
math.GR2022
On the cohomological triviality of the center of the Frattini subgroup
Jaime Calles, José Cantarero, Juan Omar Gómez +1
We improve the existing lower bounds on the order of counterexamples to a conjecture by P. Schmid, determine some properties of the possible counterexamples of minimum order for ea…