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Some recent results in supersymmetric quantum mechanics are presented. New semi-classical approximation formulas for Witten's realization of supersymmetric quantum mechanics are discussed. Implications of the supersymmetric structure of…

Condensed Matter · Physics 2008-02-03 Georg Junker

Some recent results in supersymmetric grand unified theories are reviewed.

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Barger , M. S. Berger , P. Ohmann

We propose a geometrical approach to the investigation of Hamiltonian systems on (Pseudo) Riemannian manifolds. A new geometrical criterion of instability and chaos is proposed. This approach is more generic than well known reduction to the…

Astrophysics · Physics 2007-05-23 A. A. Kocharyan

Aim of this paper is to extend the continuous dependence estimates proved in \cite{JK1} to quasi-monotone systems of fully nonlinear second-order parabolic equations. As by-product of these estimates, we get an H\"older estimate for bounded…

Analysis of PDEs · Mathematics 2012-02-28 Fabio Camilli , Claudio Marchi

A rigorous proof is given for the convergence of the solutions of a viscous Cahn-Hilliard system to the solution of the regularized version of the forward-backward parabolic equation, as the coefficient of the diffusive term goes to 0.…

Analysis of PDEs · Mathematics 2017-05-18 Pierluigi Colli , Luca Scarpa

We prove the existence of normally hyperbolic invariant cylinders in nearly integrable hamiltonian systems.

Dynamical Systems · Mathematics 2015-05-14 Patrick Bernard

This review surveys previous and recent results on null controllability and inverse problems for parabolic systems with dynamic boundary conditions. We aim to demonstrate how classical methods such as Carleman estimates can be extended to…

Optimization and Control · Mathematics 2024-09-17 S. E. Chorfi , L. Maniar

In this paper, we present two constructions of forward self-similar solutions to the $3$D incompressible Navier-Stokes system, as the singular limit of forward self-similar solutions to certain parabolic systems.

Analysis of PDEs · Mathematics 2021-11-30 Francis Hounkpe , Gregory Seregin

In this work, bi-para-complex analogue of Lagrangian and Hamiltonian systems was introduced on Lagrangian distributions. Yet, the geometric and physical results related to bi-para-dynamical systems were also presented.

Mathematical Physics · Physics 2009-01-09 Mehmet Tekkoyun , Murat Sari

In the present paper we derive Liouville type results and existence of periodic solutions for $\chi^{(2)}$ type systems with non-homogeneous nonlinearities. Moreover, we prove both universal bounds as well as singularity and decay estimates…

Analysis of PDEs · Mathematics 2023-06-27 Aleks Jevnikar , Jun Wang , Wen Yang

We study the pseudo-Hermitian systems with general spin-coupling point interactions and give a systematic description of the corresponding boundary conditions for PT-symmetric systems. The corresponding integrability for both bosonic and…

Quantum Physics · Physics 2009-11-11 Shao-Ming Fei

Non-Hermitian Hamiltonians provide an alternative perspective on the dynamics of quantum and classical systems coupled non-conservatively to an environment. Once primarily an interest of mathematical physicists, the theory of non-Hermitian…

Mesoscale and Nanoscale Physics · Physics 2022-12-20 Hilary M. Hurst , Benedetta Flebus

In this paper we present an overview of results for discrete trigonometric and hyperbolic systems. These systems are discrete analogues of trigonometric and hyperbolic linear Hamiltonian systems. We show results which can be viewed as…

Classical Analysis and ODEs · Mathematics 2016-08-30 Petr Zemánek

We develop Hamilton-Jacobi theory for Chaplygin systems, a certain class of nonholonomic mechanical systems with symmetries, using a technique called Hamiltonization, which transforms nonholonomic systems into Hamiltonian systems. We give a…

Mathematical Physics · Physics 2011-08-15 Tomoki Ohsawa , Oscar E. Fernandez , Anthony M. Bloch , Dmitry V. Zenkov

In this paper, we investigate multidimensional first-order quasi-linear systems and find necessary conditions for them to admit Hamiltonian formulation. The insufficiency of the conditions is related to the Poisson cohomology of the…

Exactly Solvable and Integrable Systems · Physics 2024-09-11 Xin Hu , Matteo Casati

A threshold result was proved in this paper for semilinear parabolic system with pure power type nonlinearities

Analysis of PDEs · Mathematics 2010-09-21 Qiuyi Dai Haiyang He Junhui Xie

This paper proves a local higher integrability result for the spatial gradient of weak solutions to doubly nonlinear parabolic systems. The new feature of the argument is that the intrinsic geometry involves the solution as well as its…

Analysis of PDEs · Mathematics 2024-06-05 Verena Bögelein , Frank Duzaar , Juha Kinnunen , Christoph Scheven

We review recent progress of field theory on a transverse lattice including: realistic calculations of pion structure in large-N_c QCD; fermion doubling and chiral symmetry; a new strong coupling limit; supersymmetry on the transverse…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Dalley , B. van de Sande

We consider the Cauchy problem for a system of fully nonlinear parabolic equations. In this paper, we shall show the existence of global-in-time solutions to the problem. Our condition to ensure the global existence is specific to the fully…

Analysis of PDEs · Mathematics 2022-02-11 Takahiro Kosugi , Ryuichi Sato

This paper deals with the problem of boundary stabilization of first-order n\times n inhomogeneous quasilinear hyperbolic systems. A backstepping method is developed. The main result supplements the previous works on how to design…

Optimization and Control · Mathematics 2015-12-14 Long Hu , Rafael Vazquez , Florent Di Meglio , Miroslav Krstic