Results 31 to 40 of about 31,583 (180)

Quasi-Elliptic Cohomology of 4-Spheres

Axioms
It is a famous hypothesis that orbifold D-brane charges in string theory can be classified in twisted equivariant K-theory. Recently, it is believed that the hypothesis has a non-trivial lift to M-branes classified in twisted real equivariant 4 ...
Zhen Huan
doaj   +1 more source

Topology of generalized complex quotients

, 2008
Consider the Hamiltonian action of a torus on a compact twisted generalized complex manifold $M$. We first observe that Kirwan injectivity and surjectivity hold for ordinary equivariant cohomology in this setting.
Atiyah, Atiyah, Atiyah, Ben-Bassat, Bursztyn, Cavalcanti, Caviedes, Gilbarg, Goldin, Guillemin, Guillemin, Hitchin, Hu, Hu, Izu, Lin, Lin, Lin, Matsumura, McCleary, Nitta, Stiénon, Thomas Baird, Tolman, Weibel, Yi Lin   +25 more
core   +1 more source

Crystallographic interacting topological phases and equivariant cohomology: to assume or not to assume

Journal of High Energy Physics, 2021
For symmorphic crystalline interacting gapped systems we derive a classification under adiabatic evolution. This classification is complete for non-degenerate ground states.
Daniel Sheinbaum, Omar Antolín Camarena
doaj   +1 more source

Syzygies in equivariant cohomology for non-abelian Lie groups

, 2015
We extend the work of Allday-Franz-Puppe on syzygies in equivariant cohomology from tori to arbitrary compact connected Lie groups G. In particular, we show that for a compact orientable G-manifold X the analogue of the Chang-Skjelbred sequence is exact ...
A. Adem, A. Borel, C. Allday, C. Allday, C. Allday, C. Concini De, C.-T. Yang, D. Edidin, E. Lerman, E. Meinrenken, E. Meinrenken, E.H. Spanier, F.W. Warner, J. Duflot, J.M. Kister, L.N. Mann, M. Brion, M. Duflo, M. Franz, O. Goertsches, O. Goertsches, T.J. Baird, T.J. Baird, V. Guillemin, V. Guillemin, V.A. Ginzburg, W. Bruns   +26 more
core   +1 more source

Generalized Equivariant Cohomology and Stratifications [PDF]

Canadian Mathematical Bulletin, 2016
AbstractFor T a compact torus and a generalized T-equivariant cohomology theory, we provide a systematic framework for computing in the context of equivariantly stratified smooth complex projective varieties. This allows us to explicitly compute as an (pt)-module when X is a direct limit of smooth complex projective Tℂ-varieties.
Crooks, Peter, Holden, Tyler
openaire   +3 more sources

Quantum D-modules and equivariant Floer theory for free loop spaces

, 2006
The objective of this paper is to clarify the relationships between the quantum D-module and equivariant Floer theory. Equivariant Floer theory was introduced by Givental in his paper ``Homological Geometry''.
Iritani, Hiroshi
core   +1 more source

Topological correlators and surface defects from equivariant cohomology

Journal of High Energy Physics, 2020
We find a one-dimensional protected subsector of N $$ \mathcal{N} $$ = 4 matter theories on a general class of three-dimensional manifolds. By means of equivariant localization we identify a dual quantum mechanics computing BPS correlators of the ...
Rodolfo Panerai, Antonio Pittelli, Konstantina Polydorou   +2 more
doaj   +1 more source

Equivariant Cohomology of Rationally Smooth Group Embeddings

, 2015
We describe the equivariant cohomology ring of rationally smooth projective embeddings of reductive groups. These embeddings are the projectivizations of reductive monoids.
Gonzales, Richard
core   +1 more source

Infinite flags and Schubert polynomials

Forum of Mathematics, Sigma
We study Schubert polynomials using geometry of infinite-dimensional flag varieties and degeneracy loci. Applications include Graham-positivity of coefficients appearing in equivariant coproduct formulas and expansions of back-stable and enriched ...
David Anderson
doaj   +1 more source

Comments on chiral algebras and Ω-deformations

Journal of High Energy Physics, 2021
Every six-dimensional N $$ \mathcal{N} $$ = (2, 0) SCFT on R 6 contains a set of protected operators whose correlation functions are controlled by a two-dimensional chiral algebra.
Nikolay Bobev, Pieter Bomans, Fridrik Freyr Gautason   +2 more
doaj   +1 more source