Наукова електронна бібліотека
періодичних видань НАН України

Перегляд Symmetry, Integrability and Geometry: Methods and Applications (SIGMA) за назвою

Репозиторій DSpace/Manakin

Перегляд Symmetry, Integrability and Geometry: Methods and Applications (SIGMA) за назвою

Сортувати за: Порядок: Результатів:

  • u-Deformed WZW model and its gauging 
    Klimčík, C. (Symmetry, Integrability and Geometry: Methods and Applications, 2006)
    We review the description of a particular deformation of the WZW model. The resulting theory exhibits a Poisson-Lie symmetry with a non-Abelian cosymmetry group and can be vectorially gauged.
  • Ultradiscrete Painlevé VI with Parity Variables 
    Takemura, K.; Tsutsui, T. (Symmetry, Integrability and Geometry: Methods and Applications, 2013)
    We introduce a ultradiscretization with parity variables of the q-difference Painlevé VI system of equations. We show that ultradiscrete limit of Riccati-type solutions of q-Painlevé VI satisfies the ultradiscrete Painlevé ...
  • Ultradiscrete sine-Gordon Equation over Symmetrized Max-Plus Algebra, and Noncommutative Discrete and Ultradiscrete sine-Gordon Equations 
    Kondo, K. (Symmetry, Integrability and Geometry: Methods and Applications, 2013)
    Ultradiscretization with negative values is a long-standing problem and several attempts have been made to solve it. Among others, we focus on the symmetrized max-plus algebra, with which we ultradiscretize the discrete ...
  • Unified Gauge Theories and Reduction of Couplings: from Finiteness to Fuzzy Extra Dimensions 
    Mondragón, M.; Zoupanos, G. (Symmetry, Integrability and Geometry: Methods and Applications, 2008)
    Finite Unified Theories (FUTs) are N = 1 supersymmetric Grand Unified Theories, which can be made all-loop finite, both in the dimensionless (gauge and Yukawa couplings) and dimensionful (soft supersymmetry breaking terms) ...
  • Uniform Asymptotic Expansion for the Incomplete Beta Function 
    Nemes, G.; Olde Daalhuis, A.B. (Symmetry, Integrability and Geometry: Methods and Applications, 2016)
    In [Temme N.M., Special functions. An introduction to the classical functions of mathematical physics, A Wiley-Interscience Publication, John Wiley & Sons, Inc., New York, 1996, Section 11.3.3.1] a uniform asymptotic ...
  • Uniform Asymptotics of Orthogonal Polynomials Arising from Coherent States 
    Dai, D.; Hu, W.; Wang, X.S. (Symmetry, Integrability and Geometry: Methods and Applications, 2015)
    In this paper, we study a family of orthogonal polynomials {ϕn(z)} arising from nonlinear coherent states in quantum optics. Based on the three-term recurrence relation only, we obtain a uniform asymptotic expansion of ...
  • Universal Bethe Ansatz and Scalar Products of Bethe Vectors 
    Belliard, S.; Pakuliak, S.; Ragoucy, E. (Symmetry, Integrability and Geometry: Methods and Applications, 2010)
    An integral presentation for the scalar products of nested Bethe vectors for the quantum integrable models associated with the quantum affine algebra Uq(gl₃) is given. This result is obtained in the framework of the universal ...
  • Universal Lie Formulas for Higher Antibrackets 
    Manetti, M.; Ricciardi, G. (Symmetry, Integrability and Geometry: Methods and Applications, 2016)
    We prove that the hierarchy of higher antibrackets (aka higher Koszul brackets, aka Koszul braces) of a linear operator Δ on a commutative superalgebra can be defined by some universal formulas involving iterated ...
  • Universal Low Temperature Asymptotics of the Correlation Functions of the Heisenberg Chain 
    Crampé, N.; Göhmann, F.; Klümper, A. (Symmetry, Integrability and Geometry: Methods and Applications, 2010)
    We calculate the low temperature asymptotics of a function γ that generates the temperature dependence of all static correlation functions of the isotropic Heisenberg chain.
  • Un-Reduction of Systems of Second-Order Ordinary Differential Equations 
    García-Toraño Andrés, E.; Mestdag, T. (Symmetry, Integrability and Geometry: Methods and Applications, 2016)
    In this paper we consider an alternative approach to ''un-reduction''. This is the process where one associates to a Lagrangian system on a manifold a dynamical system on a principal bundle over that manifold, in such a ...
  • Upper Bounds for Mutations of Potentials 
    Cruz Morales, J.A.; Galkin, S. (Symmetry, Integrability and Geometry: Methods and Applications, 2013)
    In this note we provide a new, algebraic proof of the excessive Laurent phenomenon for mutations of potentials (in the sense of [Galkin S., Usnich A., Preprint IPMU 10-0100, 2010]) by introducing to this theory the analogue ...
  • Vacuum Energy as Spectral Geometry 
    Fulling, S.A. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    Quantum vacuum energy (Casimir energy) is reviewed for a mathematical audience as a topic in spectral theory. Then some one-dimensional systems are solved exactly, in terms of closed classical paths and periodic orbits. ...
  • Vadim Kuznetsov. Informal Biography by Eyes of His First Adviser 
    Komarov, I.V. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    The paper is dedicated to the memory of prominent theoretical physicist and mathematician Dr. Vadim Kuznetsov who worked, in particular, in the fields of the nonlinear dynamics, separation of variables, integrability theory, ...
  • Variational Sequences, Representation Sequences and Applications in Physics 
    Palese, M.; Rossi, O.; Winterroth, E.; Musilová, J. (Symmetry, Integrability and Geometry: Methods and Applications, 2016)
    This paper is a review containing new original results on the finite order variational sequence and its different representations with emphasis on applications in the theory of variational symmetries and conservation laws ...
  • Variational Tricomplex, Global Symmetries and Conservation Laws of Gauge Systems 
    Sharapov, A.A. (Symmetry, Integrability and Geometry: Methods and Applications, 2016)
    Using the concept of variational tricomplex endowed with a presymplectic structure, we formulate the general notion of symmetry. We show that each generalized symmetry of a gauge system gives rise to a sequence of conservation ...
  • Variations of Hodge Structure Considered as an Exterior Differential System: Old and New Results 
    Carlson, J.; Green, M.; Griffiths, P. (Symmetry, Integrability and Geometry: Methods and Applications, 2009)
    This paper is a survey of the subject of variations of Hodge structure (VHS) considered as exterior differential systems (EDS). We review developments over the last twenty-six years, with an emphasis on some key examples. ...
  • Vector Fields on the Space of Functions Univalent Inside the Unit Disk via Faber Polynomials 
    Airault, H. (Symmetry, Integrability and Geometry: Methods and Applications, 2009)
    We obtain the Kirillov vector fields on the set of functions f univalent inside the unit disk, in terms of the Faber polynomials of 1/f(1/z). Our construction relies on the generating function for Faber polynomials.
  • Vector Polynomials and a Matrix Weight Associated to Dihedral Groups 
    Dunkl, C.F. (Symmetry, Integrability and Geometry: Methods and Applications, 2014)
    The space of polynomials in two real variables with values in a 2-dimensional irreducible module of a dihedral group is studied as a standard module for Dunkl operators. The one-parameter case is considered (omitting the ...
  • Vector-Valued Jack Polynomials from Scratch 
    Dunkl, C.F.; Luque, J. (Symmetry, Integrability and Geometry: Methods and Applications, 2011)
    Vector-valued Jack polynomials associated to the symmetric group SN are polynomials with multiplicities in an irreducible module of SN and which are simultaneous eigenfunctions of the Cherednik-Dunkl operators with some ...
  • Vector-Valued Polynomials and a Matrix Weight Function with B₂-Action 
    Dunkl, C.F. (Symmetry, Integrability and Geometry: Methods and Applications, 2013)

Пошук


Розширений пошук

Перегляд

Мій обліковий запис