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ВИДЕОТЕКА |
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Counterexamples to the integral Hodge conjecture John Ottem University of Oslo |
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Аннотация: The Hodge conjecture predicts which rational cohomology classes on a smooth complex projective variety can be represented by linear combinations of complex subvarieties. The integral Hodge conjecture, the analogous conjecture for integral homology classes, is known to be false in general (the first counterexamples were given in dimension Язык доклада: английский |