Quantum $K$-theoretic Whitney relations for type $C$ flag manifolds

Fuente: arXiv
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Main Author: Kouno, Takafumi
Format: Preprint
Published: 2025
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author Kouno, Takafumi
author_facet Kouno, Takafumi
contents We study relations of $λ_{y}$-classes associated to tautological bundles over the flag manifold of type $C$ in the quantum $K$-ring. These relations are called the quantum $K$-theoretic Whitney relations. The strategy of the proof of the quantum $K$-theoretic Whitney relations is based on the method of semi-infinite flag manifolds and the Borel-type presentation. In addition, we observe that the quantum $K$-theoretic Whitney relations give a complete set of the defining relations of the quantum $K$-ring. This gives a presentation of the quantum $K$-ring of the flag manifold of type $C$, called the Whitney-type presentation, as a quotient of a polynomial ring, different from the Borel-type presentation.
format Preprint
id arxiv_https___arxiv_org_abs_2512_23224
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Quantum $K$-theoretic Whitney relations for type $C$ flag manifolds
Kouno, Takafumi
Quantum Algebra
Algebraic Geometry
Combinatorics
K-Theory and Homology
Representation Theory
Primary: 14M15, Secondary: 14N15, 14N35, 05E10
We study relations of $λ_{y}$-classes associated to tautological bundles over the flag manifold of type $C$ in the quantum $K$-ring. These relations are called the quantum $K$-theoretic Whitney relations. The strategy of the proof of the quantum $K$-theoretic Whitney relations is based on the method of semi-infinite flag manifolds and the Borel-type presentation. In addition, we observe that the quantum $K$-theoretic Whitney relations give a complete set of the defining relations of the quantum $K$-ring. This gives a presentation of the quantum $K$-ring of the flag manifold of type $C$, called the Whitney-type presentation, as a quotient of a polynomial ring, different from the Borel-type presentation.
title Quantum $K$-theoretic Whitney relations for type $C$ flag manifolds
topic Quantum Algebra
Algebraic Geometry
Combinatorics
K-Theory and Homology
Representation Theory
Primary: 14M15, Secondary: 14N15, 14N35, 05E10
url https://arxiv.org/abs/2512.23224