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Finite type invariants of integral homology 3-spheres: A survey
This is a survey on the current status of the study of finite type invariants
of integral homology 3-spheres based on lectures given in the workshop on knot
theory at Banach International Center of Mathematics, Warsaw, July 1995. As a
new result, we show that the space of finite type invariants of integral
homology 3-spheres is a graded polynomial algebra generated by invariants
additive under the connected sum. We also discuss some open questions on this
subject.Comment: 27 pages, amslatex. A new section was added surveying recent
developments of the subject. To appear in the proceedings of Warsaw knot
theory workshop, July-August 199
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