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Corestricted Group Actions and Eight-Dimensional Absolute Valued Algebras
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Mathematics, Algebra and Geometry.
2012 (English)Report (Other academic)
Abstract [en]

A condition for when two eight-dimensional absolute valued algebras are isomorphic was given in [4]. We use this condition to deduce a description (in the sense of Dieterich, [9]) of the category of such algebras, and show how previous descriptions of some full subcategories fit in this description. Led by the structure of these examples, we aim at systematically constructing new subcategories whose classification is manageable. To this end we propose, in greater generality, the definition of sharp stabilizers for group actions, and use these to obtain conditions for when certain subcategories of groupoids are full. This we apply to the category of eight-dimensional absolute valued algebras and obtain a class of subcategories, for which we simplify, and partially solve, the classification problem.

Place, publisher, year, edition, pages
2012. , 28 p.
U.U.D.M. report / Uppsala University, Department of Mathematics, ISSN 1101-3591 ; 2012:6
National Category
Algebra and Logic
Research subject
URN: urn:nbn:se:uu:diva-184991OAI: diva2:570104
Available from: 2012-11-20 Created: 2012-11-16 Last updated: 2012-11-20Bibliographically approved

Open Access in DiVA

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