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| Pàgina inicial > Articles > Articles publicats > Algebraic characteristic classes for idempotent matrices |
| Data: | 1992 |
| Resum: | This paper contains the algebraic analog for idempotent matrices of the Chern-Weil theory of characteristic classes. This is used to show, algebraically, that the canonical line bundle on the complex projective space is not stably trivial. Also a theorem is proved saying that for any smooth manifold there is a canonical epimorphism from the even dimensional algebraic de Rham cohomology of its algebra of smooth functions onto the standard even dimensional de Rham cohomology of the manifold. |
| Drets: | Tots els drets reservats.  |
| Llengua: | Anglès |
| Document: | Article ; recerca ; Versió publicada |
| Publicat a: | Publicacions matemàtiques, Vol. 36, Núm. 2 (1992) , p. 601-608, ISSN 2014-4350 |
