Left-symmetric algebras, or pre-Lie algebras in geometry and physics

Details Left-symmetric algebras, or pre-Lie algebras in geometry and physics Left-symmetric algebras, or pre-Lie algebras in geometry and physics

2005-09-10

arxiv.org/abs/math-ph/0509016v2

Central European Journal of Mathematics 4, Nr. 3, 323-357 (2006).

Physics

Mathematical Physics

28 pages, 3 figures

Scientific paper

In this survey article we discuss the origin, theory and applications of left-symmetric algebras (LSAs in short) in geometry in physics. Recently Connes, Kreimer and Kontsevich have introduced LSAs in mathematical physics (QFT and renormalization theory), where the name pre-Lie algebras is used quite often. Already Cayley wrote about such algebras more than hundred years ago. Indeed, LSAs arise in many different areas of mathematics and physics. We attempt to give a survey of the fields where LSAs play an important role. Furthermore we study the algebraic theory of LSAs such as structure theory, radical theory, cohomology theory and the classification of simple LSAs. We also discuss applications to faithful Lie algebra representations.

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