Tohoku Mathematical Journal
2012
March
SECOND SERIES VOL. 64, NO. 1

Tohoku Math. J.
64 (2012), 25-59

Title COMPATIBLE CONTACT STRUCTURES OF FIBERED SEIFERT LINKS IN HOMOLOGY 3-SPHERES

Author Masaharu Ishikawa

(Received June 24, 2010, revised June 23, 2011)
Abstract. We study compatible contact structures of fibered Seifert multilinks in homology 3-spheres and especially give a necessary and sufficient condition for the contact structure to be tight in the case where the Seifert fibration is positively twisted. As a corollary we determine the strongly quasipositivity of fibered Seifert links in $S^3$. We also study the compatible contact structures of cablings along links in any 3-manifolds.

2000 Mathematics Subject Classification. Primary 57M50; Secondary: 55R25, 57R17, 32S55.
Key words and phrases. Open book decomposition, contact structure, Seifert link.

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