On operad structures of moduli spaces and string theory

Details On operad structures of moduli spaces and string theory On operad structures of moduli spaces and string theory

1993-07-19

arxiv.org/abs/hep-th/9307114v5

Commun.Math.Phys. 171 (1995) 1-25

Physics

High Energy Physics

High Energy Physics - Theory

33 pages (An elaboration of minimal area metrics and new references are added)

Scientific paper

10.1007/BF02103769

Recent algebraic structures of string theory, including homotopy Lie algebras, gravity algebras and Batalin-Vilkovisky algebras, are deduced from the topology of the moduli spaces of punctured Riemann spheres. The principal reason for these structures to appear is as simple as the following. A conformal field theory is an algebra over the operad of punctured Riemann surfaces, this operad gives rise to certain standard operads governing the three kinds of algebras, and that yields the structures of such algebras on the (physical) state space naturally.

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