Results 31 to 40 of about 400 (65)

An algorithm for computing Schubert varieties of best fit with applications. [PDF]

Front Artif Intell, 2023
Karimov K, Kirby M, Peterson C.
europepmc   +1 more source

Vector bundles on rational homogeneous spaces. [PDF]

Ann Mat Pura Appl, 2021
Du R, Fang X, Gao Y.
europepmc   +1 more source

On the intersection pairing between cycles in SU(p,q)-flag domains and maximally real Schubert varieties☆☆☆

, 2017
Ana-Maria Brecan
semanticscholar   +1 more source

Grassmannians, flag varieties, and Gelfand-Zetlin polytopes

, 2016
S. Evgeny
semanticscholar   +1 more source

YAMABE EQUATION ON SCHUBERT VARIETIES AND FLAG MANIFOLDS IN COMPLEX GRASSMANNIANS

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Perverse Sheaves and Applications to Representation Theory

Mathematical Surveys and Monographs, 2021
| Linear algebraic Several complex variables and analytic spaces – Complex singularities – Stratifications; constructible sheaves; intersection cohomology (complex-analytic aspects). | Group theory and generalizations – Linear algebraic groups and related
Pramod N. Achar
semanticscholar   +1 more source

Characteristic Cycles of IH Sheaves of Simply Laced Minuscule Schubert Varieties Are Irreducible

Experimental Mathematics, 2023
Let G/P be a complex cominuscule flag manifold of type E6,E7. We prove that each characteristic cycle of the intersection homology (IH) complex of a Schubert variety in G/P is irreducible. The proof utilizes an earlier algorithm by the same authors which
L. Mihalcea, Rahul Singh
semanticscholar   +1 more source

The Chow Rings of Generalized Grassmannians

Foundations of Computational Mathematics, 2005
Based on the basis theorem of Bruhat–Chevalley (in Algebraic Groups and Their Generalizations: Classical Methods, Proceedings of Symposia in Pure Mathematics, vol. 56 (part 1), pp.
H. Duan, Xuan Zhao
semanticscholar   +1 more source

Classification of Levi-spherical Schubert varieties

Selecta Mathematica, 2021
A Schubert variety in the complete flag manifold $$GL_n/B$$ G L n / B is Levi-spherical if the action of a Borel subgroup in a Levi subgroup of a standard parabolic has an open dense orbit.
Yibo Gao, Reuven Hodges, A. Yong
semanticscholar   +1 more source

Chern Classes of Open Projected Richardson Varieties and of Affine Schubert Cells

International mathematics research notices
The open projected Richardson varieties form a stratification for the partial flag variety $G/P$. We compare the Segre–MacPherson classes of open projected Richardson varieties with those of the corresponding affine Schubert cells by pushing or pulling
Neil J.Y. Fan, Peter L. Guo, Changjian Su, Rui Xiong   +3 more
semanticscholar   +1 more source