Aspects of Motives: Finite-dimensionality, Chow-Kunneth Decompositions and Intersections of Cycles

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Date

2016

Authors

Diaz, Humberto Antonio

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Schoen, Chadmark L

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Abstract

This thesis analyzes the Chow motives of 3 types of smooth projective varieties: the desingularized elliptic self fiber product, the Fano surface of lines on a cubic threefold and an ample hypersurface of an Abelian variety. For the desingularized elliptic self fiber product, we use an isotypic decomposition of the motive to deduce the Murre conjectures. We also prove a result about the intersection product. For the Fano surface of lines, we prove the finite-dimensionality of the Chow motive. Finally, we prove that an ample hypersurface on an Abelian variety possesses a Chow-Kunneth decomposition for which a motivic version of the Lefschetz hyperplane theorem holds.

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Diaz, Humberto Antonio (2016). Aspects of Motives: Finite-dimensionality, Chow-Kunneth Decompositions and Intersections of Cycles. Dissertation, Duke University. Retrieved from https://hdl.handle.net/10161/12201.

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