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Frobenius properties and Maschke-type theorems for entwined modules

Author(s): Tomasz Brzezinski
Journal: Proc. Amer. Math. Soc. 128 (2000), 2261-2270.
MSC (1991): Primary 16W30, 16W35, 16S40
Posted: November 29, 1999
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Abstract: Entwined modules arose from the coalgebra-Galois theory. They are a generalisation of unified Doi-Hopf modules. In this paper, Frobenius properties and Maschke-type theorems known for Doi-Hopf modules are extended to the case of entwined modules.

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Additional Information:

Tomasz Brzezinski
Affiliation: Department of Mathematics, University of York, Heslington, York YO10 5DD, United Kingdom - Department of Theoretical Physics, University of Lódz, Pomorska 149/153, 90-236 Lódz, Poland
Email: tb10@york.ac.uk

DOI: 10.1090/S0002-9939-99-05278-8
PII: S 0002-9939(99)05278-8
Received by editor(s): June 16, 1998
Received by editor(s) in revised form: September 21, 1998
Posted: November 29, 1999
Additional Notes: The author is a Lloyd's of London Tercentenary Fellow
Communicated by: Ken Goodearl
Copyright of article: Copyright 2000, American Mathematical Society

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