{ "id": "2101.05245", "version": "v1", "published": "2021-01-13T18:12:25.000Z", "updated": "2021-01-13T18:12:25.000Z", "title": "Computing efficiently the non-properness set of polynomial maps on the plane", "authors": [ "Boulos El Hilany", "Elias Tsigaridas" ], "comment": "30 pages, 4 figures, comments are welcome!", "categories": [ "math.AG" ], "abstract": "We present mathematical, algorithmic, complexity, and implementation results on the problem of computing the Jelonek set in 2D. This is the set in $\\mathbb{K}^2$ at which a polynomial map $f: \\mathbb{K}^2 \\to \\mathbb{K}^2$ is not proper. Our results make no assumptions on $f$ and are valid for $\\mathbb{K}= \\mathbb{C}$ and $\\mathbb{K} = \\mathbb{R}$.", "revisions": [ { "version": "v1", "updated": "2021-01-13T18:12:25.000Z" } ], "analyses": { "subjects": [ "12D10", "14P10", "14R25", "26C05", "52B20" ], "keywords": [ "polynomial map", "non-properness set", "jelonek set", "implementation results" ], "note": { "typesetting": "TeX", "pages": 30, "language": "en", "license": "arXiv", "status": "editable" } } }