arXiv:2404.12302 Abstract | arXiv Analytics

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Crepant Transformation Conjecture For the Grassmannian Flop

Wendelin Lutz, Qaasim Shafi, Rachel Webb

Published 2024-04-18Version 1

We prove an explicit form of the Crepant Transformation Conjecture for Grassmannian flops. Our approach uses abelianization to first relate the restrictions of the Lagrangian cones to degree-2 classes, and then deduces the general result using ``explicit reconstruction'' (also known as the method of big I-functions).

Comments: 28 pages

Categories: math.AG

Subjects: 14N35, 14C15, 14E99

Keywords: crepant transformation conjecture, grassmannian flop, explicit form, first relate, big i-functions

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