{ "id": "2012.01475", "version": "v1", "published": "2020-12-02T19:32:38.000Z", "updated": "2020-12-02T19:32:38.000Z", "title": "Introduction to Whitney Towers", "authors": [ "Rob Schneiderman" ], "comment": "74 pages, 64 figures", "categories": [ "math.GT" ], "abstract": "These introductory notes on Whitney towers in 4-manifolds, as developed in collaboration with Jim Conant and Peter Teichner, are an expansion of three expository lectures given at the Winter Braids X conference February 2020 in Pisa, Italy. Topics presented include local manipulations of surfaces in 4-space, fundamental definitions related to Whitney towers and their associated trees, geometric Jacobi identities, the classification of order n twisted Whitney towers in the 4-ball and higher-order Arf invariants, and low-order Whitney towers on 2-spheres in 4-manifolds and related invariants.", "revisions": [ { "version": "v1", "updated": "2020-12-02T19:32:38.000Z" } ], "analyses": { "keywords": [ "introduction", "low-order whitney towers", "higher-order arf invariants", "geometric jacobi identities", "jim conant" ], "note": { "typesetting": "TeX", "pages": 74, "language": "en", "license": "arXiv", "status": "editable" } } }