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math.RA2002★ 1 cited
On coseparable and biseparable corings
Tomasz Brzezinski, Lars Kadison, Robert Wisbauer
A relationship between coseparable corings and separable non-unital rings is established. In particular it is shown that an A-coring C has an associative A-balanced product. A Mori…
math.RA2002
Towers of corings
Tomasz Brzezinski
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 c…