Towers of corings
Rings and Algebras
2007-05-23 v2 Commutative Algebra
Quantum Algebra
Abstract
The 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.
Cite
@article{arxiv.math/0201014,
title = {Towers of corings},
author = {Tomasz Brzezinski},
journal= {arXiv preprint arXiv:math/0201014},
year = {2007}
}
Comments
8 pages, LaTeX; uses xypic; Prop 2.9 replaced by a remark