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KNOTS IN WASHINGTON XXVI; Interconnections between Khovanov, Khovanov-Rozansky and Ozvath-Szabo homology; categorification of skein modules
April 18-20, 2008
George Washington University
Washington, DC, USA

Organizers
Jozef H. Przytycki (GWU), Yongwu Rong (GWU), Alexander Shumakovitch (GWU), Hao Wu (GWU)

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Dehn surgeries that reduce the Thurston norm of a fibred manifold
by
Yi Ni
AIM/Columbia University

We study the Dehn surgeries that reduce the Thurston norm of the fibre class of a fibred manifold. It turns out that such surgeries are exactly the ones that are expected.

Date received: March 26, 2008

Copyright © 2008 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Conferences Inc. Document # cawt-13.