Results 21 to 30 of about 333 (49)

Twisted conjugacy in soluble arithmetic groups

open access: yesMathematische Nachrichten, Volume 298, Issue 3, Page 763-793, March 2025.
Abstract Reidemeister numbers of group automorphisms encode the number of twisted conjugacy classes of groups and might yield information about self‐maps of spaces related to the given objects. Here, we address a question posed by Gonçalves and Wong in the mid‐2000s: we construct an infinite series of compact connected solvmanifolds (that are not ...
Paula M. Lins de Araujo   +1 more
wiley   +1 more source

Non-Canonical Perturbation Theory of Non-Linear Sigma Models

open access: yes, 2010
We explore the O(N)-invariant Non-Linear Sigma Model (NLSM) in a different perturbative regime from the usual relativistic-free-field one, by using non-canonical basic commutation relations adapted to the underlying O(N) symmetry of the system, which ...
Aldaya V.   +9 more
core   +1 more source

Brane structures in microlocal sheaf theory

open access: yesJournal of Topology, Volume 17, Issue 1, March 2024.
Abstract Let L$L$ be an exact Lagrangian submanifold of a cotangent bundle T∗M$T^* M$, asymptotic to a Legendrian submanifold Λ⊂T∞M$\Lambda \subset T^{\infty } M$. We study a locally constant sheaf of ∞$\infty$‐categories on L$L$, called the sheaf of brane structures or BraneL$\mathrm{Brane}_L$.
Xin Jin, David Treumann
wiley   +1 more source

Complex cobordism of involutions

open access: yes, 2001
We give a simple and explicit presentation of the Z/2-equivariant complex cobordism ring.Comment: Published by Geometry and Topology at http://www.maths.warwick.ac.uk/gt/GTVol5/paper11.abs ...
Greenlees   +4 more
core   +1 more source

Topological Protection and Quantum Noiseless Subsystems

open access: yes, 2003
Encoding and manipulation of quantum information by means of topological degrees of freedom provides a promising way to achieve natural fault-tolerance that is built-in at the physical level.
D. Gottesman   +7 more
core   +1 more source

Topological dualities in the Ising model

open access: yes, 2021
We relate two classical dualities in low-dimensional quantum field theory: Kramers-Wannier duality of the Ising and related lattice models in $2$ dimensions, with electromagnetic duality for finite gauge theories in $3$ dimensions.
Freed, Daniel S., Teleman, Constantin
core  

Geometricity of the Hodge filtration on the $\infty$-stack of perfect complexes over $X_{DR}$

open access: yes, 2008
We construct a locally geometric $\infty$-stack $M_{Hod}(X,Perf)$ of perfect complexes with $\lambda$-connection structure on a smooth projective variety $X$.
Simpson, Carlos T.
core  

Derived Algebraic Geometry and Deformation Quantization [PDF]

open access: yes, 2014
This is a report on recent progress concerning the interactions between derived algebraic geometry and deformation quantization. We present the notion of derived algebraic stacks, of shifted symplectic and Poisson structures, as well as the construction ...
Toen, Bertrand
core  

A homotopy double groupoid of a Hausdorff space II: a van Kampen theorem

open access: yes, 2004
This paper is the second in a series exploring the properties of a functor which assigns a homotopy double groupoid with connections to a Hausdorff space.
Brown, R., Kamps, H. K., Porter, T.
core   +2 more sources

Deformation Theory and Partition Lie Algebras

open access: yes, 2019
A theorem of Lurie and Pridham establishes a correspondence between formal moduli problems and differential graded Lie algebras in characteristic zero, thereby formalising a well-known principle in deformation theory.
Brantner, Lukas, Mathew, Akhil
core  

Home - About - Disclaimer - Privacy