{ "id": "2407.20082", "version": "v1", "published": "2024-07-29T15:06:48.000Z", "updated": "2024-07-29T15:06:48.000Z", "title": "Reflexive homology and involutive Hochschild homology as equivariant Loday constructions", "authors": [ "Ayelet Lindenstrauss", "Birgit Richter" ], "categories": [ "math.AT" ], "abstract": "We prove that for commutative rings whose underlying abelian group is flat and in which $2$ is invertible, the homotopy groups at the trivial orbit of the equivariant Loday construction of the one-point compactification of the sign-representation are isomorphic to reflexive homology as studied by Graves and to involutive Hochschild homology defined by Fern\\`andez-al\\`encia and Giansiracusa. We also show a relative version of these results for commutative $k$-algebras $R$ with involution, whenever $2$ is invertible in $R$ and $R$ is flat as a $k$-module.", "revisions": [ { "version": "v1", "updated": "2024-07-29T15:06:48.000Z" } ], "analyses": { "keywords": [ "equivariant loday construction", "involutive hochschild homology", "reflexive homology", "one-point compactification", "trivial orbit" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }