Professor at Universidad Autónoma Metropolitana. Mainly I study the big lattice of preradicals over a ring. A special kind of preradicals are left exact radicals, which are in one-to-one correspondence to hereditary torsion theories.
1 The functor category Funct(R-Mod, S-Mod) Jan 28 '12
1 An algorithm for constructing the AR-quiver of a path algebra corresponding to a change in the orientation. Jan 28 '12
0 Dual concept for the p-primary component Feb 23 '13