Affiliation:
1. Departamento de Matemática Aplicada a las TIC, ETSISI Universidad Politécnica de Madrid Madrid Spain
2. Dipartimento di Matematica Università degli Studi di Trento Povo, Trento Italy
Abstract
AbstractIn this paper, we study properties of the Chow ring of rational homogeneous varieties of classical type, more concretely, effective zero divisors of low codimension, and a related invariant called effective good divisibility. This information is then used to study the question of (non)existence of nonconstant maps among these varieties, generalizing previous results for projective spaces and Grassmannians.
Funder
Ministerio de Ciencia e Innovación
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