Results 31 to 40 of about 316 (182)

Quantum gravity from timelike Liouville theory

Journal of High Energy Physics, 2019
A proper definition of the path integral of quantum gravity has been a long- standing puzzle because the Weyl factor of the Euclidean metric has a wrong-sign kinetic term.
Teresa Bautista, Atish Dabholkar, Harold Erbin   +2 more
doaj   +1 more source

Schwinger-Keldysh formalism. Part II: thermal equivariant cohomology

Journal of High Energy Physics, 2017
Causally ordered correlation functions of local operators in near-thermal quantum systems computed using the Schwinger-Keldysh formalism obey a set of Ward identities.
Felix M. Haehl, R. Loganayagam, Mukund Rangamani   +2 more
doaj   +1 more source

An equivariant rim hook rule for quantum cohomology of Grassmannians [PDF]

Discrete Mathematics & Theoretical Computer Science, 2014
A driving question in (quantum) cohomology of flag varieties is to find non-recursive, positive combinatorial formulas for expressing the quantum product in a particularly nice basis, called the Schubert basis.
Elizabeth Beazley, Anna Bertiger, Kaisa Taipale   +2 more
doaj   +1 more source

Quantum cohomology of the Lagrangian Grassmannian [PDF]

Journal of Algebraic Geometry, 2003
Let V V be a symplectic vector space and
Kresch, A, Tamvakis, H
openaire   +4 more sources

Vortex-Line Condensation in Three Dimensions: A Physical Mechanism for Bosonic Topological Insulators

Physical Review X, 2015
Bosonic topological insulators (BTIs) in three dimensions are symmetry-protected topological phases protected by time-reversal and boson number conservation symmetries.
Peng Ye, Zheng-Cheng Gu
doaj   +1 more source

BCJ, worldsheet quantum algebra and KZ equations

Journal of High Energy Physics, 2020
We exploit the correspondence between twisted homology and quantum group to construct an algebra explanation of the open string kinematic numerator. In this setting the representation depends on string modes, and therefore the cohomology content of the ...
Chih-Hao Fu, Yihong Wang
doaj   +1 more source

Wilson loop algebras and quantum K-theory for Grassmannians

Journal of High Energy Physics, 2020
We study the algebra of Wilson line operators in three-dimensional N $$ \mathcal{N} $$ = 2 supersymmetric U(M ) gauge theories with a Higgs phase related to a complex Grassmannian Gr(M, N ), and its connection to K-theoretic Gromov-Witten invariants for ...
Hans Jockers, Peter Mayr, Urmi Ninad, Alexander Tabler   +3 more
doaj   +1 more source

GLSMs for exotic Grassmannians

Journal of High Energy Physics, 2020
In this paper we explore nonabelian gauged linear sigma models (GLSMs) for symplectic and orthogonal Grassmannians and flag manifolds, checking e.g.
Wei Gu, Eric Sharpe, Hao Zou
doaj   +1 more source

A Murgnahan-Nakayama rule for Schubert polynomials [PDF]

Discrete Mathematics & Theoretical Computer Science, 2014
We expose a rule for multiplying a general Schubert polynomial with a power sum polynomial in $k$ variables. A signed sum over cyclic permutations replaces the signed sum over rim hooks in the classical Murgnahan-Nakayama rule. In the intersection theory
Andrew Morrison
doaj   +1 more source

Recent Progress on Conjecture $\mathcal{O}$ and Its Variants: A Survey

Proceedings
Conjecture O (and the Gamma Conjectures), introduced by Galkin, Golyshev, and Iritani stand as pivotal open problems in the quantum cohomology of Fano manifolds, bridging algebraic geometry, mathematical physics, and representation theory.
Xiaobin Li, Yuhui Peng, Yamin Xu, Bin Zhu   +3 more
doaj   +1 more source