Structure of Symmetry Groups via Cartan's Method: Survey of Four Approaches
نویسندگان
چکیده
منابع مشابه
Symmetry Groups of Four-manifolds
If a (possibly finite) compact Lie group acts effectively, locally linearly, and homologically trivially on a closed, simply-connected four-manifold with second Betti number at least 3, then it must be isomorphic to a subgroup of S × S, and the action must have nonempty fixed-point set. Our results strengthen and complement recent work by Edmonds, Hambleton and Lee, and Wilczyński, among others...
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نشان می دهیم که هر اشتقاق لی روی یک c^*-جبر به شکل استاندارد است، یعنی می تواند به طور یکتا به مجموع یک اشتقاق لی و یک اثر مرکز مقدار تجزیه شود. کلمات کلیدی: اشتقاق، اشتقاق لی، c^*-جبر.
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ژورنال
عنوان ژورنال: Symmetry, Integrability and Geometry: Methods and Applications
سال: 2005
ISSN: 1815-0659
DOI: 10.3842/sigma.2005.006