{ "id": "1203.4520", "version": "v5", "published": "2012-03-20T17:19:07.000Z", "updated": "2014-02-26T19:20:35.000Z", "title": "Low dimensional projective groups", "authors": [ "Indranil Biswas", "Mahan Mj" ], "comment": "This paper is withdrawn due to a crucial gap in the proof of Theorem 4.7. This step in the proof goes through only in the presence of an extra cohomology vanishing condition", "categories": [ "math.GT", "math.AG" ], "abstract": "We initiate the study of holomorphically convex groups: groups that can be realized as fundamental groups of smooth complex projective varieties with holomorphically convex universal covers. If $G$ is a holomorphically convex group of cohomological dimension two, we show that $G$ is isomorphic to the fundamental group of a compact Riemann surface. As a consequence, we show that if a linear group $G$ has (rational) cohomological dimension two and is the fundamental group of a smooth complex projective variety, then $G$ is a (virtual) surface group.", "revisions": [ { "version": "v5", "updated": "2014-02-26T19:20:35.000Z" } ], "analyses": { "subjects": [ "57M50", "32Q15", "57M05", "14F35", "32J15" ], "keywords": [ "low dimensional projective groups", "smooth complex projective variety", "fundamental group", "holomorphically convex group", "holomorphically convex universal covers" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1203.4520B" } } }