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In 1960, J.F. Adams introduced secondary cohomology operations that are defined on cohomology elements on which sufficiently many Steenrod algebra elements vanish. This led to his theorem on singly generated cohomology rings, which in turn…

Algebraic Topology · Mathematics 2024-12-24 John R. Harper , Lee Kennard

We construct virtual cycles on moduli spaces of perturbed gauged Witten equation over a fixed smooth r -spin curve, under the framework of [TX15]. Together with the wall-crossing formula proved in the companion paper [TX19], it completes…

Symplectic Geometry · Mathematics 2019-05-14 Gang Tian , Guangbo Xu

The Alternating Direction Method of Multipliers (ADMM) provides a natural way of solving inverse problems with multiple partial differential equations (PDE) forward models and nonsmooth regularization. ADMM allows splitting these…

Numerical Analysis · Mathematics 2021-04-29 Luke Lozenski , Umberto Villa

The $U_L(3)\times U_R(3)$ Linear Sigma Model (LSM) with quark degrees of freedom is used to show that radiative corrections generate undetermined finite contributions. Their origin is related to surface terms which are differences between…

High Energy Physics - Phenomenology · Physics 2007-05-23 Brigitte Hiller , A. L. Mota , M. C. Nemes , Alexander A. Osipov , Marcos Sampaio

We construct N=4 gauged linear sigma models in two dimensions whose Higgs branch has a R^8/Z_k orbifold singularity or its generalization. Our linear sigma models have either ALF or ALE type hyperKahler 8-manifolds as their Higgs branch.…

High Energy Physics - Theory · Physics 2008-11-26 Kazumi Okuyama

A construction of gauge-invariant observables is suggested for a class of topological field theories, the AKSZ sigma-models. The observables are associated to extensions of the target Q-manifold of the sigma model to a Q-bundle over it with…

Mathematical Physics · Physics 2012-12-27 Pavel Mnev

The ADHM construction establishes a one-to-one correspondence between framed torsion free sheaves on the projective plane and stable framed representations of a quiver with relations in the category of complex vector spaces. This paper…

Algebraic Geometry · Mathematics 2015-05-13 Duiliu-Emanuel Diaconescu

A relation between sigma-additivity and linearizability, conjectured by Jacob Feldman in 1971 for continuous products of probability spaces, is established by relating both notions to a recent idea of noise stability/sensitivity.

Probability · Mathematics 2007-05-23 Boris Tsirelson

We construct supersymmetric conformal sigma models in three dimensions. Nonlinear sigma models in three dimensions are nonrenormalizable in perturbation theory. We use the Wilsonian renormalization group equation method, which is one of the…

High Energy Physics - Theory · Physics 2007-10-26 Takeshi Higashi , Kiyoshi Higashijima , Etsuko Itou

The path-integral re-formulation due to E. Gozzi, M. Regini, M. Reuter and W. D. Thacker of Koopman and von Neumann's original operator formulation of a classical Hamiltonian system on a symplectic manifold $M$ is identified as a gauge…

High Energy Physics - Theory · Physics 2025-04-29 Thomas Basile , Nicolas Boulanger , Arghya Chattopadhyay

N=1, D=4 non linear sigma models, parametrized by chiral superfields, usually describe Kaehlerian geometries, provided that Einstein frame supergravity is used. The sigma model metric is no longer Kaehler when local supersymmetry becomes…

High Energy Physics - Theory · Physics 2018-01-17 S. Ferrara , M. Porrati

We construct novel solutions in $d\ge 3$ space dimensions of a family of nonlinear evolutions equations that includes the critical hyperbolic Abelian Higgs model (AHM). For the AHM, these solutions exhibit an ensemble of $N\ge 1$…

Analysis of PDEs · Mathematics 2025-12-16 Amirmasoud Geevechi , Robert L Jerrard

The multistage stochastic variational inequality is reformulated into a variational inequality with separable structure through introducing a new variable. The prediction-correction ADMM which was originally proposed in [B.-S. He, L.-Z.…

Optimization and Control · Mathematics 2023-08-22 Ze You , Haisen Zhang

Explicit solutions to the conifold equations with complex dimension $n=3,4$ in terms of {\it{complex coordinates (fields)}} are employed to construct the Ricci-flat K\"{a}hler metrics on these manifolds. The K\"{a}hler 2-forms are found to…

High Energy Physics - Theory · Physics 2009-11-07 R. Parthasarathy , K. S. Viswanathan

H. A. Hayden [1] introduced the idea of semi-symmetric non-metric connection on a Riemannian manifold in (1932). Agashe and Chafle \cite{1} defined and studied semi-symmetric non-metric connection on a Riemannian manifold. In the present…

Differential Geometry · Mathematics 2017-11-06 S. K. Chaubey

Recently, a gauged linear sigma model was proposed by Berkovits and Vafa which can be used to describe the AdS_5xS^5 superstring at finite and zero radius. In this paper we show that the model is classically integrable by constructing its…

High Energy Physics - Theory · Physics 2009-11-13 William D. Linch , Brenno Carlini Vallilo

We successfully exhaust the complete set of exact solutions of non-Abelian vortices in a quiver gauge theory, that is, the S[U(N) x U(N)] gauge theory with a bi-fudamental scalar field on a hyperbolic plane with a certain curvature, from…

High Energy Physics - Theory · Physics 2013-07-11 Minoru Eto , Toshiaki Fujimori , Muneto Nitta , Keisuke Ohashi

We present a novel framework, namely AADMM, for acceleration of linearized alternating direction method of multipliers (ADMM). The basic idea of AADMM is to incorporate a multi-step acceleration scheme into linearized ADMM. We demonstrate…

Optimization and Control · Mathematics 2014-02-13 Yuyuan Ouyang , Yunmei Chen , Guanghui Lan , Eduardo Pasiliao

We compute the deficiency spaces of operators of the form $H_A{\hat{\otimes}} I + I{\hat{\otimes}} H_B$, for symmetric $H_A$ and self-adjoint $H_B$. This enables us to construct self-adjoint extensions (if they exist) by means of von…

Functional Analysis · Mathematics 2020-11-19 Daniel Lenz , Timon Weinmann , Melchior Wirth

Within the Inert Doublet Model (IDM) there is a viable dark matter candidate. This simple model can provide a strong enough first order phase transition, which is required in order to account for the matter-antimatter asymmetry in the…

High Energy Physics - Phenomenology · Physics 2016-05-31 Cesar Bonilla , Dorota Sokolowska , Neda Darvishi , J. Lorenzo Diaz-Cruz , Maria Krawczyk