Chicken or egg? A hierarchy of homotopy algebras

Details Chicken or egg? A hierarchy of homotopy algebras Chicken or egg? A hierarchy of homotopy algebras

2003-06-09

arxiv.org/abs/math/0306145v2

Homology, Homotopy, and App. 7(2), 2005, 5-39.

Mathematics

Quantum Algebra

33 pages, LaTeX. Made significant changes and added references

Scientific paper

We start by clarifying and extending the multibraces notation, which economically describes substitutions of multilinear maps and tensor products of vectors. We give definitions and examples of homotopy algebras, strongly homotopy Gerstenhaber and Gerstenhaber bracket algebras, and strongly homotopy Batalin-Vilkovisky algebras. We show that a homotopy algebra structure on a vector space can be lifted to its Hochschild complex, and also suggest an induction method to generate explicit strongly homotopy Gerstenhaber algebra maps on a topological vertex operator algebra (TVOA), their existence having been proven by Kimura, Voronov, and Zuckerman in 1996 (later amended by Voronov). The contention that this is the fundamental structure on a TVOA is substantiated by providing an annotated dictionary of strongly homotopy BV algebra maps and identities found by Lian and Zuckerman in 1993.

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