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Knot Theory: Fifty Years Since Fox and Milnor
June 2-5, 2008
Brandeis University
Waltham (Massachusetts), USA

Organizers
Tim D. Cochran, Stavros Garoufalidis, Cameron Gordon, Daniel Ruberman, Kent Orr.

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Second-order signatures
by
Constance Leidy
Wesleyan University
Coauthors: Tim Cochran and Shelly Harvey

We will define second-order signatures for any algebraically slice knot. These are generalizations of Casson-Gordon invariants. We will discuss certain classes of knots for which the second-order signatures provide new obstructions to a knot being slice.

Paper reference: arXiv:0801.3677

Date received: May 14, 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 # caxb-18.