Positivity of Canonical Bases Under Comultiplication

DOI10.1093/IMRN/RNZ047zbMath1502.14115arXiv1511.02434OpenAlexW2963568469WikidataQ128390578 ScholiaQ128390578MaRDI QIDQ3382657

Zhaobing Fan, Yiqiang Li

Publication date: 21 September 2021

Published in: International Mathematics Research Notices (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1511.02434

zbMATH Keywords

coideal subalgebracanonical basis

Mathematics Subject Classification ID

Quantum groups (quantized enveloping algebras) and related deformations (17B37) Grassmannians, Schubert varieties, flag manifolds (14M15) Ring-theoretic aspects of quantum groups (16T20)

Related Items (6)

Positivity VS Negativity of Canonical Bases ⋮ Formulae of \(\imath\)-divided powers in \(\mathbf{U}_q (\mathfrak{sl}_2)\). III ⋮ On canonical bases for the Letzter algebra \(\mathbf{U}^\imath(\mathfrak{sl}_2)\) ⋮ On multiplication formulas of affine \(q\)-Schur algebras ⋮ Quasi-split symmetric pairs of 𝑈(𝔰𝔩_{𝔫}) and Steinberg varieties of classical type ⋮ Affine Hecke algebras and quantum symmetric pairs

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