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The spaces of rational curves on del Pezzo threefolds of degree one

The spaces of rational curves on del Pezzo threefolds of degree one We prove the irreducibility of moduli spaces of rational curves on a general del Pezzo threefold of Picard rank 1 and degree 1. As corollaries, we confirm Geometric Manin’s conjecture and enumerativity of certain Gromov–Witten invariants for these threefolds. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Mathematics Springer Journals

The spaces of rational curves on del Pezzo threefolds of degree one

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References (42)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021
ISSN
2199-675X
eISSN
2199-6768
DOI
10.1007/s40879-021-00516-2
Publisher site
See Article on Publisher Site

Abstract

We prove the irreducibility of moduli spaces of rational curves on a general del Pezzo threefold of Picard rank 1 and degree 1. As corollaries, we confirm Geometric Manin’s conjecture and enumerativity of certain Gromov–Witten invariants for these threefolds.

Journal

European Journal of MathematicsSpringer Journals

Published: Mar 1, 2022

Keywords: Rational curves; Moduli spaces; Fano varieties; 14H10; 14J45

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