Extensions essentielles privilégiées d'algèbres de Lie classiques de dimension infinite. (Priviliged essential extensions of classical infinite dimensional Lie algebras)

André Lichnerowicz, José António Pereira da Silva

Publication date: 1987

Published in: Journal de Mathématiques Pures et Appliquées. Neuvième Série (Search for Journal in Brave)

zbMATH Keywords

universal extension Lie algebra of vector fields essential extension geometric structure canonical cohomology class connected \(C^{\infty }\) manifold

Mathematics Subject Classification ID

Infinite-dimensional Lie (super)algebras (17B65) General geometric structures on manifolds (almost complex, almost product structures, etc.) (53C15) Cohomology of Lie (super)algebras (17B56)

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