Takafumi Kouno

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20242026

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math.RT2026

Minuscule Relations in Quantum $K$ -Theory of Flag Varieties

Koushik Brahma, Yicen Huang, Takeshi Ikeda +2

We study the quantum $K$ -theory of the flag variety $G / B$ . For each minuscule fundamental weight $ϖ$ , we construct an explicit relation in the torus-equivariant quantum $K$ -th…

math.RT2026

Relativistic Toda lattice of type B and quantum $K$ -theory of type C flag variety

Takeshi Ikeda, Shinsuke Iwao, Takafumi Kouno +2

We introduce a classical integrable system associated with the torus-equivariant quantum $K$ -theory of type C flag variety. We prove that its conserved quantities coincide with the…

Minuscule Relations in Quantum K-Theory of Flag Varieties

Relativistic Toda lattice of type B and quantum K-theory of type C flag variety

Minuscule Relations in Quantum $K$ -Theory of Flag Varieties

Relativistic Toda lattice of type B and quantum $K$ -theory of type C flag variety