Tohoku Mathematical Journal
2012
September
SECOND SERIES VOL. 64, NO. 3

Tohoku Math. J.
64 (2012), 409-426

Title SOME NEW ZARISKI PAIRS OF SEXTIC CURVES

Author Bo Wu and Jin-Gen Yang

(Received February 7, 2011, revised January 4, 2012)
Abstract. A topological invariant of reduced sextic curves with simple singularities is given. Twelve new Zariski pairs of sextic curves are determined. Each pair consists of two curves with non-isomorphic fundamental groups.

2000 Mathematics Subject Classification. Primary 14F45; Secondary 14H50, 14J28.
Key words and phrases. Sextic curve, simple singularity, Zariski pair.

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