{ "id": "2108.13594", "version": "v1", "published": "2021-08-31T02:56:23.000Z", "updated": "2021-08-31T02:56:23.000Z", "title": "On extension of the motivic cohomology beyond smooth schemes", "authors": [ "Jinhyun Park" ], "comment": "106 pages", "categories": [ "math.AG", "math.KT" ], "abstract": "We construct an algebraic-cycle based model for the motivic cohomology on the category of schemes of finite type over a field, where schemes may admit arbitrary singularities and may be non-reduced. We show that our theory is functorial on the category, that it detects nilpotence, and that its restriction to the subcategory of smooth schemes agrees with the pre-existing motivic cohomology theory, which is the higher Chow theory of S. Bloch (Adv. Math., 1986). A few structures and applications are discussed.", "revisions": [ { "version": "v1", "updated": "2021-08-31T02:56:23.000Z" } ], "analyses": { "subjects": [ "14C25", "14B20", "14F42", "14A30", "19E15", "16W60", "18F20" ], "keywords": [ "smooth schemes", "higher chow theory", "pre-existing motivic cohomology theory", "admit arbitrary singularities", "finite type" ], "note": { "typesetting": "TeX", "pages": 106, "language": "en", "license": "arXiv", "status": "editable" } } }