2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63030The notion of a Frobenius coring is introduced, and it is shown that any such coring produces a tower of Frobenius corings and Frobenius extensions. This establishes a one-to-one correspondence between Frobenius corings and extensions.8 pages, LaTeX; uses xypic; Prop 2.9 replaced by a remarkRings and AlgebrasCommutative AlgebraQuantum Algebra16W30;13B02text