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Related papers: Quantum Pieri rules for tautological subbundles

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We compute the quantum cohomology relative to a Lagrangian submanifold in some complete intersections. For quadric hypersurfaces, we also give a full computation of the genus zero open Gromov-Witten invariants.

Symplectic Geometry · Mathematics 2024-02-06 Kai Hugtenburg , Sara B. Tukachinsky

We prove a collection of formulas for products of Schubert classes in the quantum $K$-theory ring $QK(X)$ of a cominuscule flag variety $X$. This includes a $K$-theory version of the Seidel representation, stating that the quantum product…

Algebraic Geometry · Mathematics 2026-04-21 Anders S. Buch , Pierre-Emmanuel Chaput , Nicolas Perrin

By using a ``quantum-to-classical" reduction formula on the Gromov-Witten invariants of flag vaireities $F\ell_n$, we provide a new proof of the Seidel operator on the quantum cohomology ring $QH^*(F\ell_n)$. Further, we reprove a quantum…

Algebraic Geometry · Mathematics 2025-07-17 Changzheng Li , Jiayu Song

An explicit rule is given for the product of the degree two class with an arbitrary Schubert class in the torus-equivariant homology of the affine Grassmannian. In addition a Pieri rule (the Schubert expansion of the product of a special…

Combinatorics · Mathematics 2011-05-27 Thomas Lam , Mark Shimozono

In a previous paper Affine symmetries of the equivariant quantum cohomology of rational homogeneous spaces, a general formula was given for the multiplication by some special Schubert classes in the quantum cohomology of any homogeneous…

Algebraic Geometry · Mathematics 2020-12-10 Pierre-Emmanuel Chaput , Nicolas Perrin

We give formulas for the products of classes of Schubert varieties in the quantum cohomology rings of Grassmannians, in terms of the combinatorics of partitions and tableaux.

alg-geom · Mathematics 2008-02-03 Aaron Bertram , Ionut Ciocan-Fontanine , William Fulton

We give a Pieri rule for the torus-equivariant cohomology of (submaximal) Grassmannians of Lie types B, C, and D. To the authors' best knowledge, our rule is the first manifestly positive formula, beyond the equivariant Chevalley formula.…

Algebraic Geometry · Mathematics 2015-07-08 Changzheng Li , Vijay Ravikumar

Covariant first order differential calculus over quantum complex Grassmann manifolds is considered. It is shown by a Pusz-Woronowicz type argument that under restriction to calculi close to classical Kaehler differentials there exist…

Quantum Algebra · Mathematics 2016-09-07 Stefan Kolb

We present a recursive algorithm computing all the genus-zero Gromov-Witten invariants from a finite number of initial ones, for Fano varieties with generically tame semi-simple quantum (and small quantum) (p, p)- type cohomology, whose…

Algebraic Geometry · Mathematics 2007-05-23 Tomasz Maszczyk

We establish the formula for multiplication by the class of a special Schubert variety in the integral cohomology ring of the flag manifold. This formula also describes the multiplication of a Schubert polynomial by either an elementary…

alg-geom · Mathematics 2008-02-03 Frank Sottile

The dth symmetric product of a curve of genus g is a smooth projective variety. This paper is concerned with the little quantum cohomology ring of this variety, that is, the ring having its 3-point Gromov-Witten invariants as structure…

Algebraic Geometry · Mathematics 2007-05-23 Aaron Bertram , Michael Thaddeus

The paper is devoted to the mathematical aspects of topological quantum field theory and its applications to enumerative problems of algebraic geometry. In particular, it contains an axiomatic treatment of Gromov-Witten classes, and a…

High Energy Physics - Theory · Physics 2009-10-28 M. Kontsevich , Yu. Manin

We describe \,$q$-hypergeometric solutions of the equivariant quantum differential equations and associated qKZ difference equations for the cotangent bundle $T^*F_\lambda$ of a partial flag variety \,$F_\lambda$\,. These…

Algebraic Geometry · Mathematics 2018-08-17 Vitaly Tarasov , Alexander Varchenko

Let X be a symplectic or odd orthogonal Grassmannian which parametrizes isotropic subspaces in a vector space equipped with a nondegenerate (skew) symmetric form. We prove quantum Giambelli formulas which express an arbitrary Schubert class…

Algebraic Geometry · Mathematics 2008-12-05 Anders S. Buch , Andrew Kresch , Harry Tamvakis

Let G be a simple and simply-connected complex algebraic group, P \subset G a parabolic subgroup. We prove an unpublished result of D. Peterson which states that the quantum cohomology QH^*(G/P) of a flag variety is, up to localization, a…

Algebraic Geometry · Mathematics 2007-05-23 Thomas Lam , Mark Shimozono

We give elementary geometric proofs of the main theorems about the (small) quantum cohomology of partial flag varieties SL(n)/P, including the quantum Pieri and quantum Giambelli formulas and the presentation.

Algebraic Geometry · Mathematics 2007-05-23 Anders Skovsted Buch

We compute the small cohomology ring of the Cayley Grassmannian, that parametrizes four-dimensional subalgebras of the complexified octonions. We show that all the Gromov-Witten invariants in the multiplication table of the Schubert classes…

Algebraic Geometry · Mathematics 2019-07-18 Vladimiro Benedetti , Laurent Manivel

A homology class $d \in H_2(X)$ of a complex flag variety $X = G/P$ is called a line degree if the moduli space $\overline{M}_{0,0}(X,d)$ of 0-pointed stable maps to $X$ of degree $d$ is also a flag variety $G/P'$. We prove a quantum equals…

Algebraic Geometry · Mathematics 2024-09-17 Anders S. Buch , Linda Chen , Weihong Xu

Let $X$ be an isotropic Grassmannian of type $B$, $C$, or $D$. In this paper we calculate $K$-theoretic Pieri-type triple intersection numbers for $X$: that is, the sheaf Euler characteristic of the triple intersection of two arbitrary…

Algebraic Geometry · Mathematics 2016-01-20 Vijay Ravikumar

We provide a direct proof of Seidel representation in the quantum K-theory QK(Gr(k, n)) by studying projected Gromov-Witten varieties concretely. As applications, we give an alternative proof of the K-theoretic quantum Pieri rule by Buch…

Algebraic Geometry · Mathematics 2024-11-28 Changzheng Li , Zhaoyang Liu , Jiayu Song , Mingzhi Yang