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Lectures on the Topology of 3-Manifolds: An Introduction to the Casson Invariant

Lectures on the Topology of 3-Manifolds: An Introduction to the Casson Invariant

Paperback

Series: de Gruyter Textbook

General MathematicsGeometryPhysics

Publisher Price: $56.00

ISBN10: 3110250357
ISBN13: 9783110250350
Publisher: De Gruyter
Published: Dec 19 2011
Pages: 218
Weight: 0.80
Height: 0.50 Width: 6.70 Depth: 9.30
Language: English

Progress in low-dimensional topology has been very quick in the last three decades, leading to the solutions of many difficult problems. Among the earlier highlights of this period was Casson's λ-invariant that was instrumental in proving the vanishing of the Rohlin invariant of homotopy 3-spheres. The proof of the three-dimensional Poincaré conjecture has rendered this application moot but hardly made Casson's contribution less relevant: in fact, a lot of modern day topology, including a multitude of Floer homology theories, can be traced back to his λ-invariant.

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Geometry