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Oka's conjecture on irreducible plane sextics |
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| Authors: | Degtyarev Alex |
| Institution: | Department of Mathematics Bilkent University 06800 Ankara Turkey |
| Abstract: | We partially prove and partially disprove Oka's conjecture onthe fundamental group/Alexander polynomial of an irreducibleplane sextic. Among other results, we enumerate all irreduciblesextics with simple singularities admitting dihedral coveringsand find examples of Alexander equivalent Zariski pairs of irreduciblesextics. |
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