2002/01/03 by Tomasz Brzeziński, Tomasz Brzezinski, Brzezinski, Tomasz
Mathematics · #13B02 #16W30 #Algebraic Geometry and Number Theory #Commutative Algebra (math.AC) #Commutative Algebra and Its Applications #FOS: Mathematics #Finite Group Theory Research #Quantum Algebra (math.QA) #Rings and Algebras (math.RA) #math.AC #math.QA #math.RA #msc:13B02 #msc:16W30
paper · pdf · doi:10.48550/arxiv.math/0201014
8 pages, LaTeX; uses xypic; Prop 2.9 replaced by a remark
openalex publication_date 2002/01/03 · arxiv created 2002/01/09 · arxiv updated 2009/11/30 · openalex created_date 2024/04/11 · openalex updated_date 2026/07/28
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.