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Description of the algebra of infinitesimal automorphisms of quadrics of codimension two and their classification

✍ Scribed by S. N. Shevchenko


Publisher
SP MAIK Nauka/Interperiodica
Year
1994
Tongue
English
Weight
519 KB
Volume
55
Category
Article
ISSN
0001-4346

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Description of the Automorphism Group Au
✍ Takehiko Yamanouchi πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 199 KB

It is shown that, for a minimal action a of a compact Kac algebra K on a factor A, the group of all automorphisms leaving the fixed-point algebra A a pointwise invariant is topologically isomorphic to the intrinsic group of the dual Kac algebra # K K. As an application, in the case where dim K o 1,