Generalized operads and their inner cohomomorphisms

Details Generalized operads and their inner cohomomorphisms Generalized operads and their inner cohomomorphisms

2006-09-27

arxiv.org/abs/math/0609748v5

Geometry and Dynamics of Groups and spaces (In memory of Aleksander Reznikov). Ed. by M. Kapranov et al. Progress in Math., vo

Mathematics

Category Theory

71 pages. In this version, the definition of abstract categories of labeled graphs is corrected (part (iii)). This does not af

Scientific paper

In this paper we introduce a notion of {\it generalized operad} containing as special cases various kinds of operad--like objects: ordinary, cyclic, modular, properads etc. We then construct inner cohomomorphism objects in their categories (and categories of algebras over them). We argue that they provide an approach to symmetry and moduli objects in non-commutative geometries based upon these "ring--like" structures. We give a unified axiomatic treatment of generalized operads as functors on categories of abstract labeled graphs. Finally, we extend inner cohomomorphism constructions to more general categorical contexts. This version differs from the previous ones by several local changes (including the title) and two extra references.

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