Keywords:
Quantum theory-Congresses.
;
Electronic books.
Type of Medium:
Online Resource
Pages:
1 online resource (646 pages)
Edition:
1st ed.
ISBN:
9783030557775
Series Statement:
CRM Series in Mathematical Physics Series
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6531758
DDC:
530.12
Language:
English
Note:
Intro -- Preface -- Organization -- Organizing Committee -- International Advisory Board -- QTS Conference Board -- Plenary Speakers -- Session Organizers -- Sponsors -- Statement of Principles -- Contents -- Part I Special Session in Honour of Decio Levi: Integrability: Continuous and Discrete, Classical & -- Quantum -- Spin Chains of Haldane-Shastry Type: A Bird's Eye View -- 1 Introduction -- 2 Calogero-Sutherland Models -- 2.1 The Calogero Model -- 2.2 The Sutherland Model -- 3 Spin Dynamical Models -- 3.1 The AN-1 Spin Calogero Model -- 4 Spin Chains of Haldane-Shastry Type -- 4.1 The Chain Sites -- 4.2 The Partition Function -- 5 Supersymmetric Spin Chains -- 5.1 The su(m|n) Supersymmetric Exchange Operator -- 5.2 Chemical Potential -- 5.3 Partition Function -- 6 Associated Vertex Models -- 7 Thermodynamics -- 7.1 Example: The su(1|1) Case -- 8 Conclusions -- References -- Features of Discrete Integrability -- 1 Introduction -- 2 What Is a Quad Equation? -- 3 A Few Standard Features of Integrable Quad Equations -- 3.1 Discrete Lax Pairs -- 3.2 Consistency Around the Cube (CAC) -- 3.3 Lax Pair from the Consistency Around the Cube -- 3.4 Symmetries -- 3.5 Singularity Analysis -- 3.6 Complexity Analysis: Algebraic Entropy -- 3.7 What About Quad Equations? -- 4 A Case Study -- 4.1 Symmetries -- 4.2 A Lax Pair -- 4.3 What About Singularities? -- 4.4 What About Entropy? -- 5 Comments and Perspectives -- References -- Darboux-BäcklundTransformationsforSpin-ValuedLinearProblems -- 1 Introduction -- 2 Clifford Algebras, Spin Groups, and Isometries of Rp,q -- 3 Spin-Valued Linear Problems -- 3.1 Geometric Interpretation: Soliton Surfaces Approach -- 4 Darboux-Bäcklund Transformations -- 4.1 The Darboux-Bäcklund Transformation in the Case of Spin Groups -- 5 Conclusions and Open Problems -- References.
,
Painlevé IV Transcendents Generated from the Complex Oscillator -- 1 Introduction -- 2 Supersymmetric Quantum Mechanics -- 3 Polynomial Heisenberg Algebras -- 3.1 Second-Degree PHA -- 4 Complex Oscillator -- 5 SUSY Partners of the Complex Oscillator -- 6 PIV Transcendents -- 7 Conclusions -- References -- The Veronese Sequence of Analytic Solutions of the CP2s Sigma Model Equations Described via Krawtchouk Polynomials -- 1 The CP2s Sigma Model -- 2 Projective Formalism -- 3 Solutions of the CP2s Sigma Model -- 4 The su(2) Spin-s Representation -- 5 Geometrical Aspects of Surfaces -- References -- A Novel Integrable Fourth-Order Difference Equation Admitting Three Invariants -- 1 Introduction -- 2 Integrability of Difference Equations -- 3 A Novel Example -- 4 Final Remarks -- References -- Weighted Hurwitz Numbers, τ-Functions, and Matrix Integrals -- 1 Hurwitz Numbers: Classical and Weighted -- 1.1 Geometric Meaning of Classical Hurwitz Numbers -- 1.2 Weighted Hurwitz Numbers GH1, HO1, H1, GH2 -- 2 Hypergeometric τ-Functions as Generating Functions for Weighted Hurwitz Numbers GH1, HO1, H1, GH2 -- 3 Wronskian and Matrix Integral Representation of τ(G,β)([X]) -- 3.1 Adapted Basis, Recursion Operators, Quantum Spectral Curve -- 3.2 Quantum and Classical Spectral Curve -- Rational Weighting Case -- Mellin-Barnes Integral Representation: Meijer G-Functions BH, HR -- Quantum Case Expressed as Mellin-Barnes Integrals HR -- 3.3 Determinantal Representation of τ(G,β)(t) -- Eulerian Wronskian Representation -- 3.4 Matrix Integral Representation of τ(G,β)([X]) BH, HR -- Wronskian Representation: Rational Case -- Matrix Integral Representation of τ(G,β)([X]): Rational Case -- Wronskian Representation: Quantum Case -- Matrix Integral Representation of τ(G,β)([X]): Quantum Case -- References.
,
Constant Curvature Holomorphic Solutions of the Supersymmetric G(2,4) Sigma Model -- 1 Introduction -- 2 CCH Solutions of the Susy G(M,N) σ-Model -- 2.1 Susy Invariant Solutions -- 3 CCH Solutions of the Susy G(2,4) σ-Model -- 3.1 The Case of Z1 -- 3.2 The Case of Z2 -- 3.3 The Case of Z3 -- 3.4 The Case of Z4 -- 4 Conclusions and Final Comments -- References -- How to Deal with Nonlocality and Pseudodifferential Operators. An Example: The Salpeter Equation -- 1 The Spinless Salpeter Equation: An Introduction -- 2 Solutions of the Salpeter Equation -- 3 A Recursive Solution: Nonlocality via Laplace Transform -- References -- A New Approach to Analysis of 2D Higher Order Quantum Superintegrable Systems -- 1 Introduction -- 2 The Canonical Form for a Symmetry Operator -- 3 Third Order Superintegrability -- 4 Some Examples (Mostly New) -- References -- Ladder Operators and Rational Extensions -- 1 Introduction -- 2 Maya Diagrams -- 3 Rational Extensions -- 4 Categorical Structure -- 5 Ladder Operators -- 6 Examples -- References -- Tachyons and Representations of Sp(2,R) -- 1 Introduction -- 2 SO0(2,3), Sp(2,R), the Poincaré Group and Their Lie Algebras -- 3 Algebraic Results -- 4 Representations -- References -- A Confined Quasi-Maximally Superintegrable N-dimensional System, Classical and Quantum, in a Space with Variable Curvature -- 1 The Classical Model: General Features -- 1.1 Metrics and Scalar Curvature -- 1.2 Solution of the Radial Equation of Motion -- 2 The Quantum Model -- 3 Concluding Remarks and Future Perspectives -- References -- Conditional Discretization of a Generalized Reaction-DiffusionEquation -- 1 Introduction -- 2 Case 1 -- 2.1 Symmetry Reduced Equations and Solutions -- 2.2 Construction of the Discretized Equation -- 3 Case 4 -- 3.1 Symmetry Reduced Equations and Solutions -- 3.2 Construction of the Discretized Equation.
,
4 Conclusions -- References -- Discrete Curve Flows in Two-Dimensional Cayley-Klein Geometries -- 1 Introduction -- 2 Cayley-Klein Planes -- 3 Moving Frames -- 4 Recurrence Relations -- 4.1 Exterior Derivative -- 4.2 Shift Map -- 5 Invariant Linearization Operators -- 6 Geometric Flows -- References -- Zernike System Stems from Free Motion on the 3-Sphere -- 1 Introduction: The so(4) Algebra -- 2 Realization of SO(4) on the 3-Sphere -- 3 Two Coordinate Systems for S3 -- 4 Projection on the 2-Sphere S2 -- 5 Interbasis Expansion Coefficients -- 6 Concluding Remarks -- References -- Part II Algebraic and Non-perturbative Methods -- W-Algebras via Lax Type Operators -- 1 Introduction -- 2 What Is a W-Algebra? -- 2.1 Fundamental Physical Theories and Corresponding Fundamental Algebraic Structures -- (Poisson) Vertex Algebras -- Vertex Algebras -- 2.2 A Toy Model -- 2.3 Hamiltonian Reduction -- 2.4 From the Toy Model to W-Algebras -- Classical Finite W-Algebras -- Finite W-Algebras -- Classical Affine W-Algebras -- Quantum Affine W-Algebras -- 3 Linear Algebra Intermezzo -- 3.1 Set Up -- 3.2 The ``Identity'' Notation -- 3.3 Generalized Quasideterminants -- 4 Quantum Finite W-Algebras and (Twisted) Yangians -- 4.1 Lax Type Operators for Quantum Finite W-Algebras -- 4.2 The Generalized Yangian Identity -- 4.3 Quantum Finite W-Algebras and (Extended) Twisted Yangians -- 5 Classical Affine W-Algebras and Integrable Hierarchies of Lax Type Equations -- 5.1 Lax Type Operators for Classical Affine W-Algebras -- 5.2 Integrable Hierarchies of Lax Type Equation -- References -- Color Algebraic Extension of Supersymmetric Quantum Mechanics -- 1 Introduction -- 2 Z2n-Graded Color Superalgebra and Z22-Graded SQM -- 3 Extensions of Bruce-Duplij Model -- 3.1 From Superalgebra to Z22-Graded Color Superalgebra -- 3.2 N Extension of Z22-Graded SQM -- 3.3 Z22-Graded SCM.
,
4 Z23-Graded SQM -- References -- The Racah Algebra and sln -- 1 Introduction -- 2 Definition of the Higher Rank Racah Algebra -- 3 Realizing sln in n-1 Variables -- 3.1 Some Operators in U(Dn) -- 4 Realization of Rn in n-2 Variables -- 4.1 The Differential Embedding -- 5 Conclusions -- References -- On Reducible Verma Modules over Jacobi Algebra -- 1 Introduction -- 2 Preliminaries -- 3 Case G2 -- 4 Verma Modules and Singular Vectors -- 4.1 Definitions -- 4.2 Case G2 -- Weight 2δ1 -- Weight 2δ2 -- Weight δ1+δ2 -- Weight δ1-δ2 -- Weight δ1 -- Weight δ2 -- Weight 3δ2 -- References -- Howe Duality and Algebras of the Askey-Wilson Type: An Overview -- 1 Introduction -- 2 General Framework -- 3 The Dual Presentations of the Racah Algebra -- 4 More Dual Pictures: An Overview -- 4.1 The Racah Family -- 4.2 The Bannai-Ito Ensemble -- 4.3 The Askey-Wilson Class -- 5 Conclusion -- References -- Second-Order Supersymmetric Partners of the Trigonometric Rosen-Morse Potential -- 1 Introduction -- 2 Supersymmetric Quantum Mechanics -- 3 Trigonometric Rosen-Morse Potential -- 4 SUSY Partners of the Trigonometric Rosen-Morse Potential -- 5 Conclusions -- References -- A Noncommutative Geometric Approach to the Batalin-Vilkovisky Construction -- 1 Introduction: Why Noncommative Geometry -- 2 Finite Spectral Triples and Induced Gauge Theories -- 3 The BV Construction in the Algebraic Context -- 4 BV-Spectral Triple: The Notion and the Relevance -- 5 Conclusions and Outlooks -- References -- A New Method for Constructing Squeezed States for the Isotropic 2D Harmonic Oscillator -- 1 Introduction -- 2 Squeezed States of the 1D Harmonic Oscillator -- 3 The 2D Oscillator -- 4 SU(2) Coherent States -- 5 2D Squeezed States -- 6 Conclusion -- References -- Electron in Bilayer Graphene with Magnetic Fields Associated with Solvable Potentials -- 1 Introduction.
,
2 Bilayer Graphene: A Brief Overview.
Permalink