Constructions of En Operads
Abstract
This paper discusses the question of how to recognize whether an operad is En (ie. equivalent to the little n-cubes operad). A construction is given which produces many new examples of En operads. This construction is developed in the context of an infinite family of right adjoint constructions for operads. Some other related constructions of En operads, so-called generalized tensor products, are also described.
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