On Ginzburg's Bivariant Chern Classes, II |
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Authors: | Shoji Yokura |
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Affiliation: | (1) Department of Mathematics and Computer Science, Faculty of Science, University of Kagoshima, 21–35 Korimoto 1-chome, Kagoshima, 890-0065, Japan |
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Abstract: | For a morphism whose target variety is nonsingular, the Chern–Schwartz–MacPherson class homomorphism followed by capping with the pullback of the Segre class of the target variety is called the Ginzburg–Chern class. In this paper, using the Verdier–Riemann–Roch for Chern Class, we show that the correspondence assigning to a bivariant constructible function on any morphism with nonsingular target variety the Ginzburg–Chern class of it is the unique Grothendieck transformation satisfying the 'normalization condition' that for morphisms to a point it becomes the Chern–Schwartz–MacPherson class homomorphism, except for that the bivariant homology pullback is considered only for a smooth morphism. |
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Keywords: | bivariant theory Chern– Schwartz– MacPherson class constructible function |
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