An extension of Casson's invariant
著者
書誌事項
An extension of Casson's invariant
（Annals of mathematics studies, no. 126）
Princeton University Press, 1992
- : cl
- : pbk
- タイトル別名
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Casson's invariant
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注記
Bibliography: p. 129-131
内容説明・目次
内容説明
This monograph describes an invariant, lambda, of oriented rational homology 3-spheres, which is a generalization of Andrew Casson's work in the integer homology sphere case. A formula describing how lambda transforms under Dehn surgery is provided. The formula involves Alexander polynomials and Dedekind sums, and can be used to give a rather elementary proof of the existence of lambda. It is also shown that when M is a Z2-homology sphere, lambda (M) determines the Rochlin invariant of M.
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