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Intersection Poincaré Polynomial for Nagaraj-Seshadri moduli space
Barik Pabitra, B. N. Suhas
Published in Wiley
2018
Volume: 291

Issue: 1
Pages: 7 - 23
Abstract

We compute Betti numbers of both the components of the moduli space of rank 2 semi-stable torsion-free sheaves with fixed determinant over a reducible nodal curve with two smooth components intersecting at a node. We also compute the intersection Betti numbers of the moduli space.