Results 31 to 40 of about 10,484 (179)

Quantum double Schubert polynomials, quantum Schubert polynomials and Vafa–Intriligator formula

open access: yesDiscrete Mathematics, 2000
52 pages, LaTeX, revised version includes new title, new arrangement of material, some new remarks and formulas, additional references, in particular, on the preprint "Quantum Schubert polynomials" by S.Fomin, G.Gelfand and A ...
Kirillov, Anatol N., Maeno, Toshiaki
openaire   +3 more sources

A $t$-generalization for Schubert Representatives of the Affine Grassmannian [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2013
We introduce two families of symmetric functions with an extra parameter $t$ that specialize to Schubert representatives for cohomology and homology of the affine Grassmannian when $t=1$.
Avinash J. Dalal, Jennifer Morse
doaj   +1 more source

Maximal 0-1-fillings of moon polyominoes with restricted chain lengths and rc-graphs [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2011
We show that maximal 0-1-fillings of moon polynomials, with restricted chain lengths, can be identified with certain rc-graphs, also known as pipe dreams.
Martin Rubey
doaj   +1 more source

The ABC's of affine Grassmannians and Hall-Littlewood polynomials [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2012
We give a new description of the Pieri rule for $k$-Schur functions using the Bruhat order on the affine type-$A$ Weyl group. In doing so, we prove a new combinatorial formula for representatives of the Schubert classes for the cohomology of affine ...
Avinash J. Dalal, Jennifer Morse
doaj   +1 more source

Rational Schubert polynomials

open access: yesTURKISH JOURNAL OF MATHEMATICS, 2015
We define and study the rational Schubert, rational Grothendieck, rational key polynomials in an effort to understand Molev's dual Schur functions from the viewpoint of Lascoux.
Kürşat AKER, Nesrin TUTAŞ
openaire   +1 more source

Grothendieck lines in 3d N $$ \mathcal{N} $$ = 2 SQCD and the quantum K-theory of the Grassmannian

open access: yesJournal of High Energy Physics, 2023
We revisit the 3d GLSM computation of the equivariant quantum K-theory ring of the complex Grassmannian from the perspective of line defects.
Cyril Closset, Osama Khlaif
doaj   +1 more source

Kazhdan-Lusztig polynomials of boolean elements [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2013
We give closed combinatorial product formulas for Kazhdan–Lusztig poynomials and their parabolic analogue of type $q$ in the case of boolean elements, introduced in [M. Marietti, Boolean elements in Kazhdan–Lusztig theory, J.
Pietro Mongelli
doaj   +1 more source

Deformed Kazhdan-Lusztig elements and Macdonald polynomials [PDF]

open access: yes, 2010
We introduce deformations of Kazhdan-Lusztig elements and specialised nonsymmetric Macdonald polynomials, both of which form a distinguished basis of the polynomial representation of a maximal parabolic subalgebra of the Hecke algebra.
de Gier, Jan   +2 more
core   +4 more sources

Skew Schubert polynomials

open access: yesProceedings of the American Mathematical Society, 2003
We define skew Schubert polynomials to be normal form (polynomial) representatives of certain classes in the cohomology of a flag manifold. We show that this definition extends a recent construction of Schubert polynomials due to Bergeron and Sottile in terms of certain increasing labeled chains in Bruhat order of the symmetric group.
Lenart, Cristian, Sottile, Frank
openaire   +4 more sources

Generalized triangulations, pipe dreams, and simplicial spheres [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2011
We exhibit a canonical connection between maximal $(0,1)$-fillings of a moon polyomino avoiding north-east chains of a given length and reduced pipe dreams of a certain permutation.
Luis Serrano, Christian Stump
doaj   +1 more source

Home - About - Disclaimer - Privacy