Degeneracy locus of critical points of the distance function on a holomorphic foliation
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- Ito Toshikazu
- Department of Natural Science, Ryukoku University
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- Scárdua Bruno
- Instituto de Matematica, Universidade Federal do Rio de Janeiro
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- Yamagishi Yoshikazu
- Department of Applied Math & Info, Ryukoku University
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We study the geometry of transversality of holomorphic foliations of codimension one in ℂn with spheres, from a viewpoint of dynamics of anti-holomorphic maps in the projective space. A point of non-degenerate contact of a leaf with a sphere is a hyperbolic fixed point of the corresponding dynamics. Around a point of degenerate contact, the intersection of branches of the variety of contacts is described as a bifurcation diagram of a neutral fixed point of dynamics. The Morse index for the distance function from the origin is computed as the complex dimension of an unstable manifold.
収録刊行物
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- Journal of the Mathematical Society of Japan
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Journal of the Mathematical Society of Japan 66 (1), 123-137, 2014
一般社団法人 日本数学会
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詳細情報 詳細情報について
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- CRID
- 1390001205116359296
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- NII論文ID
- 130003394349
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- NII書誌ID
- AA0070177X
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- ISSN
- 18811167
- 18812333
- 00255645
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- NDL書誌ID
- 025162057
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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