3 papers
math.RT2025
Lattices of pretorsion classes
Federico Campanini, Francesca Fedele, Emine Yıldırım
Since their introduction, torsion theories have played a key role in the study of abelian and pointed categories. In representation theory, torsion theories and lattices of torsion…
math.RT2024
Presentations of the braid group of the complex reflection group
Francesca Fedele, Bethany Rose Marsh
We show that the braid group associated to the complex reflection group is an index subgroup of the braid group of the orbifold quotient of the complex numbers by a…
math.CT2024
Building pretorsion theories from torsion theories
Federico Campanini, Francesca Fedele
Torsion theories play an important role in abelian categories and they have been widely studied in the last sixty years. In recent years, with the introduction of pretorsion theori…