3 papers
math.GR2018
The order of the non-abelian tensor product of groups
Raimundo Bastos, Irene N. Nakaoka, Noraí R. Rocco
Let and be groups that act compatibly on each other. We denote by the derivative subgroup of under . We prove that if the set $\{g^{-1}g^h \mid g \in G, h \i…
math.GR2018
Commuting graph of a group on a transversal
Julio C. M. Pezzott, Irene N. Nakaoka
Given a finite group and a subset of , the commuting graph of on , denoted by , is the graph that has as its vertex set with joined…
math.CO2017
Projective planes and set multipartite Ramsey numbers for versus star
Claudia J. F. Gonçalves, Emerson L. Monte Carmelo, Irene N. Nakaoka
Set multipartite Ramsey numbers were introduced in 2004, ge-neralizing the celebrated Ramsey numbers. Let denote the four cycle and let denote the star on ver…