Pesquisa

• Bellini, M. K.; Boero, A. C.; Rodrigues, V. O.; Tomita, A. H. Algebraic structure of countably compact non-torsion Abelian groups of size continuum from selective ultrafilters. Topology Appl. 297 (2021), 107703.

• Bellini, M. K.; Boero, A. C.; Castro-Pereira, I.; Rodrigues, V. O.; Tomita, A. H. Countably compact group topologies on non-torsion abelian groups of size continuum with non-trivial convergent sequences. Topology Appl. 267 (2019), 106894.

• Boero, A. C.; Castro-Pereira, I.; Tomita, A. H. Countably compact group topologies on the free Abelian group of size continuum (and a Wallace semigroup) from a selective ultrafilter. Acta Math. Hungar. 159 (2) (2019), 414-428.

• Boero, A. C.; Castro-Pereira, I.; Tomita, A. H. A group topology on the real line that makes its square countably compact but not its cube. Topology Appl. 192 (2015), 30-57.

• Boero, A. C.; Tomita, A. H. A countably compact group topology on abelian almost torsion-free groups from selective ultrafilters. Houston J. Math. 39 (2013), 317-342.

• Boero, A. C.; Garcia-Ferreira, S.; Tomita, A. H. A countably compact free Abelian group of size continuum that admits a non-trivial convergent sequence. Topology Appl. 159 (2012), 1258-1265.

• Boero, A. C.; Tomita, A. H. A group topology on the free abelian group of cardinality \mathfrak{c} that makes its square countably compact. Fund. Math. 212 (2011), 235-260.