Parametrizations of flag varieties

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WebOct 30, 2024 · In this paper, we address this problem for flag varieties using the framework of combinatorial mutations, which was introduced in the context of mirror symmetry for Fano manifolds. ... Berenstein–Littelmann–Zelevinsky’s string polytopes and Nakashima–Zelevinsky polytopes give polyhedral parametrizations of the dual canonical … WebDec 31, 2003 · Parametrizations of flag varieties. Authors. R J Marsh; K Rietsch; Publication date January 1, 2004. Publisher 'American Mathematical Society (AMS)' Doi DOI: …

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WebNov 11, 2014 · There are several remarkable combinatorial constructions which yield parametrizations of positroid varieties. We investigate the relationship between two families of such parametrizations, and prove they are essentially the same. ... Our second family arises from Marsh and Rietsch's parametrizations of Deodhar components of the flag … WebS. Ramanan and A. Ramanathan: Projective normality of flag varieties and Schubert varieties, Invent. Math. 79 (1985), 217–224. CrossRef Google Scholar A. Ramanathan: Equations defining Schubert varieties and Frobenius splitting of diagonals, Pub. Math. IHES 65 (1987), 61–90. Google Scholar read and edit wad files

Newton–Okounkov Bodies of Flag Varieties and Combinatorial Mutations …

WebParametrizations of flag varieties Marsh, Bethany Rietsch, K. Abstract For the flag variety G/B of a reductive algebraic group G we define a certain (set-theoretical) cross-section phi from G/B to G, which depends on a choice of reduced expression for the longest element in the Weyl group. WebFirst, we should provide the explicit parametrizations of nilpotent orbits in classical types using (generalized) tableaux, and discuss Bala-Carter theory which provides ... ‚ Talk 2: Basics of flag varieties (Ginzburg 3.1) Speaker: Shurui Liu ‚ Talk 3: Nilpotent cone (Ginzburg 3.2) Speaker: Zhanwei Zhang how to stop iphone from offloading apps

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WebAug 8, 2024 · We prove that for each υ in the Weyl group W of G, the double Bruhat cell G υ,υ = BυB Ω B _ υB _ in G, together with the Poisson structure π st, is naturally a Poisson groupoid over the Bruhat cell BυB/B in the flag variety G/B. Correspondingly, every symplectic leaf of π st in G υ,υ is a symplectic groupoid over BυB/B. WebParametrizations of flag varieties - CORE Reader how to stop iphone from ringing twiceWebCiteSeerX — Parametrizations of flag varieties CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract. For the flag variety G/B of a reductive algebraic … read and deserialize json c#

"WebApr 5, 2024 · We describe parametrizations of each orbit ... Fomin and Kirillov initiated a line of research into the realization of the cohomology and K-theory of generalized flag … " - Parametrizations of flag varieties

Parametrizations of flag varieties

WebEuler characteristics in the quantum K-theory of flag varieties Selecta Mathematica . 10.1007/s00029-020-00557-7 WebAbout this book. This book discusses the importance of flag varieties in geometric objects and elucidates its richness as interplay of geometry, combinatorics and representation theory. The book presents a discussion on the representation theory of complex semisimple Lie algebras, as well as the representation theory of semisimple algebraic ...

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WebCiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract. For the flag variety G/B of a reductive algebraic group G we define and describe explicitly a certain (set-theoretical) cross-section φ: G/B → G. The definition of φ depends only on a choice of reduced expression for the longest element w0 in the Weyl group W. WebAug 1, 2016 · There are several remarkable combinatorial constructions which yield parametrizations of positroid varieties. We investigate the relationship between two families of such parametrizations, and prove they are essentially the same. ... Parametrizations of flag varieties, Represent. Theory, 8 (2004) 212-242. arXiv:math/0307017 Google Scholar …

WebJul 2, 2003 · Parametrizations of flag varieties Bethany Marsh, K. Rietsch For the flag variety G/B of a reductive algebraic group G we define a certain (set-theoretical) cross-section phi from G/B to G, which depends on a choice of reduced expression for the longest element … For the flag variety G/B of a reductive algebraic group G we define a certain … WebMar 8, 2024 · In this survey, we provide an overview of what is known about (1) homogeneous coordinate rings of Richardson varieties, their bases and degenerations (2) parametrizations of Richardson varieties using Bott-Samelson varieties (3) Deodhar's decompositions of the flag manifold and of Richardson varieties within it and (4) total …

WebAug 1, 2016 · Abstract. A parametrization of a positroid variety Π of dimension d is a regular map ( C ×) d → Π which is birational onto a dense subset of Π. There are several … WebFeb 15, 2007 · Projections of cones and the arithmetical rank of toric varieties J. Pure Appl. Algebra , 199 ( 2005 ) , pp. 133 - 147 View PDF View article View in Scopus Google Scholar

WebParametrizations of flag varieties @article{Marsh2003ParametrizationsOF, title={Parametrizations of flag varieties}, author={Bethany Marsh and Konstanze Rietsch}, journal={Representation Theory of The American Mathematical Society}, year={2003}, volume={8}, pages={212-242} } B. Marsh, K. Rietsch; Published 2 July 2003; Mathematics

WebAug 1, 2016 · We investigate the relationship between two families of such parametrizations, and prove they are essentially the same. Our first family is defined in … how to stop iphone from rebootingWebJul 2, 2003 · Title:Parametrizations of flag varieties Authors:Bethany Marsh, K. Rietsch Download PDF Abstract:For the flag variety G/B of a reductive algebraic group G we define a certain (set-theoretical) cross-section phi from G/B to G, which depends on a choice of reduced expression for the longest element in the Weyl group. This read and edit pdfWebPARAMETRIZATIONS OF FLAG VARIETIES R. J. MARSH AND K. RIETSCH Abstract. For the ﬂag variety G/B of a reductive algebraic group G we deﬁne and describe explicitly a … how to stop iphone from searching for wifiWebAdvancing research. Creating connections. Publications — Over 100 years of publishing excellence — Over 100 years of publishing excellence how to stop iphone from restarting loopWebNov 11, 2014 · We focus on a special class of planar networks called bridge graphs, which have applications to particle physics. Our second family arises from Marsh and Rietsch's parametrizations of Deodhar... how to stop iphone from restartingWebParametrizations of ag varieties Article Aug 2003 R. J. Marsh K. Rietsch For the flag variety G/B of a reductive algebraic group G we define a certain (set-theoretical) cross-section phi from... read and execute permissions windowsWebParametrizations of flag varieties Item Preview remove-circle Share or Embed This Item. Share to Twitter. Share to Facebook. Share to Reddit. Share to Tumblr. Share to Pinterest. … read and execute permission vs modify