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 タイトル: $S\sp{1}$-actions on twisted $C{\rm P}\sp{3}$ 著者: Masuda, Mikiya 発行日: 1984年3月31日 出版者: Faculty of Science, The University of Tokyo 掲載誌情報: Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics, Vol.31(1984), No.1, Page1-31 抄録: When a twisted $CP^3$ X supports a smooth $S^1 (orT^2 )$ action, the normal representations at the fixed point set and the first Pontrjagin class of X are investigated. In the case of a $T^2$-action, we can determine them almost completely. Here we say that X is a twisted $CP^3$ if X is a closed smooth manifold such that $H*(X;Z)$ is isomorphic to $H*(CP^3 ;Z)$ additively and that the cup product $x^3$ of a generator x of $H^2 (X;Z)$ is non-zero. URI: http://hdl.handle.net/2261/6392 ISSN: 0040-8980 出現カテゴリ: Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, MathematicsJournal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics

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