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- NÉMETHI András
- Department of Mathematics The Ohio State University
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抄録
If a polynomial map f:Cn→ C has a nice behaviour at infinity (e.g. it is a“good polynomial”), then the Milnor fibration at infinity exists, in particular, one can define the Seifert form at infinity Γ(f) associated with f. In this paper we prove a Sebastiani-Thom type formula. Namely, if f:Cn→ C and g:Cm→ C are“good”polynomials, and we define h=f+g:Cn+m→ C by h(x, y)=f(x)+g(y), then Γ(h)=(-1)mnΓ(f) Γ(g). This is the global analogue of the local result, proved independently by K. Sakamoto and P. Deligne for isolated hypersurface singularities.
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 51 (1), 63-70, 1999
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
- 1390282680092798464
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- NII論文ID
- 10002151375
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- NII書誌ID
- AA0070177X
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- ISSN
- 18811167
- 18812333
- 00255645
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- MRID
- 1660996
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- NDL書誌ID
- 4643265
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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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