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arxiv: 1708.02957 · v1 · pith:WKR5JUVKnew · submitted 2017-08-09 · 🧮 math.AG

Iitaka dimension for cycles

classification 🧮 math.AG
keywords cyclesdimensioniitakacasesclassconjecturecontractedcycle
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We define the Iitaka dimension of a numerical cycle class and develop its theory. We conjecture that the Iitaka dimension is integer-valued, and give some evidence in this direction. We focus on two cases of geometric interest: Schubert cycles on Grassmannians and cycles contracted by morphisms.

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