2006/12/20 by Juan Cuadra, Cuadra, Juan
Mathematics · #16W30 #Advanced Combinatorial Mathematics #Advanced Topics in Algebra #Algebraic structures and combinatorial models #FOS: Mathematics #Rings and Algebras (math.RA) #Symplectic Geometry (math.SG) #math.RA #math.SG #msc:16W30
paper · pdf · doi:10.48550/arxiv.math/0612613
Some typos corrected. Minor grammatical changes. A new result and reference added
openalex publication_date 2006/12/20 · arxiv created 2007/01/11 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
It is shown that a Hopf algebra over a field admitting a Galois extension separable over its subalgebra of coinvariants is of finite dimension. This answers in the affirmative a question posed by Beattie et al. in [\it Proc. Amer. Math. Soc. 128 No. 11 (2000), 3201-3203].