Lecture Notes on Knot Invariants

by Weiping Li
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Publisher: World Scientific Publishing Company

Publication Date: August 21, 2015

ISBN: 9789814675987

Binding: Kobo eBook

Availability: eBook

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The volume is focused on the basic calculation skills of various knot invariants defined from topology and geometry. It presents the detailed Hecke algebra and braid representation to illustrate the original Jones polynomial (rather than the algebraic formal definition many other books and research articles use) and provides self-contained proofs of the Tait conjecture (one of the big achievements from the Jones invariant). It also presents explicit computations to the Casson–Lin invariant via braid representations.

With the approach of an explicit computational point of view on knot invariants, this user-friendly volume will benefit readers to easily understand low-dimensional topology from examples and computations, rather than only knowing terminologies and theorems.

Contents:

  • Basic Knots, Links and Their Equivalences
  • Braids and Links
  • Knot and Link Invariants
  • Jones Polynomials
  • Casson Type Invariants

Readership: Undergraduate and graduate students interested in learning topology and low dimensional topology.
Key Features:

  • Applies a computational approach to understand knot invariants with geometric meanings
  • Provides a complete proof of Tait's conjectures from an original Jones polynomial definition
  • Gives recent new knot invariants from the approach of algebraic geometry (characteristic variety)
  • Readers will get a hands-on approach to the topological concepts and various invariant, instead of just knowing more fancy words