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Article Dans Une Revue Advances in Mathematics Année : 2021

Quantum (Non-commutative) Toric Geometry: Foundations

Résumé

In this paper, we will introduce Quantum Toric Varieties which are (non-commutative) generalizations of ordinary toric varieties where all the tori of the classical theory are replaced by quantum tori. Quantum toric geometry is the non-commutative version of the classical theory; it generalizes non-trivially most of the theorems and properties of toric geometry. By considering quantum toric varieties as (non-algebraic) stacks, we define their category and show that it is equivalent to a category of quantum fans. We develop a Quantum Geometric Invariant Theory (QGIT) type construction of Quantum Toric Varieties. Unlike classical toric varieties, quantum toric varieties admit moduli and we define their moduli spaces, prove that these spaces are orbifolds and, in favorable cases, up to homotopy, they admit a complex structure.

Dates et versions

hal-02474449 , version 1 (08-07-2021)

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Ludmil Katzarkov, Ernesto Lupercio, Laurent Meersseman, Alberto Verjovsky. Quantum (Non-commutative) Toric Geometry: Foundations. Advances in Mathematics, 2021, ⟨10.1016/j.aim.2021.107945⟩. ⟨hal-02474449⟩
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