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Hankel Determinants of Zeta Values
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Alan Haynes and Wadim Zudilin
SIGMA 11 (2015), 101, 5 pages [ abs
pdf ]
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Tableau Formulas for One-Row Macdonald Polynomials of Types $C_n$ and $D_n$
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Boris Feigin, Ayumu Hoshino, Masatoshi Noumi, Jun Shibahara and Jun'ichi Shiraishi
SIGMA 11 (2015), 100, 21 pages [ abs
pdf ]
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Slavnov and Gaudin-Korepin Formulas for Models without ${\rm U}(1)$ Symmetry: the Twisted XXX Chain
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Samuel Belliard and Rodrigo A. Pimenta
SIGMA 11 (2015), 099, 12 pages [ abs
pdf ]
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A Classical Limit of Noumi's $q$-Integral Operator
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Alexei Borodin, Ivan Corwin and Daniel Remenik
SIGMA 11 (2015), 098, 7 pages [ abs
pdf ]
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Multispecies Weighted Hurwitz Numbers
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J. Harnad
SIGMA 11 (2015), 097, 19 pages [ abs
pdf ]
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Harmonic Oscillator on the ${\rm SO}(2,2)$ Hyperboloid
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Davit R. Petrosyan and George S. Pogosyan
SIGMA 11 (2015), 096, 23 pages [ abs
pdf ]
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Rigorous Asymptotics for the Lamé and Mathieu Functions and their Respective Eigenvalues with a Large Parameter
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Karen Ogilvie and Adri B. Olde Daalhuis
SIGMA 11 (2015), 095, 31 pages [ abs
pdf ]
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Extended Hamiltonians, Coupling-Constant Metamorphosis and the Post-Winternitz System
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Claudia Maria Chanu, Luca Degiovanni and Giovanni Rastelli
SIGMA 11 (2015), 094, 9 pages [ abs
pdf ]
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Post-Lie Algebras and Isospectral Flows
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Kurusch Ebrahimi-Fard, Alexander Lundervold, Igor Mencattini and Hans Z. Munthe-Kaas
SIGMA 11 (2015), 093, 16 pages [ abs
pdf ]
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Differential Galois Theory and Lie Symmetries
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David Blázquez-Sanz, Juan J. Morales-Ruiz and Jacques-Arthur Weil
SIGMA 11 (2015), 092, 17 pages [ abs
pdf ]
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Populations of Solutions to Cyclotomic Bethe Equations
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Alexander Varchenko and Charles A.S. Young
SIGMA 11 (2015), 091, 41 pages [ abs
pdf ]
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Graded Bundles in the Category of Lie Groupoids
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Andrew James Bruce, Katarzyna Grabowska and Janusz Grabowski
SIGMA 11 (2015), 090, 25 pages [ abs
pdf ]
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On the Relationship between Two Notions of Compatibility for Bi-Hamiltonian Systems
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Manuele Santoprete
SIGMA 11 (2015), 089, 11 pages [ abs
pdf ]
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Examples of Complete Solvability of 2D Classical Superintegrable Systems
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Yuxuan Chen, Ernie G Kalnins, Qiushi Li and Willard Miller Jr.
SIGMA 11 (2015), 088, 51 pages [ abs
pdf ]
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Bispectrality of $N$-Component KP Wave Functions: A Study in Non-Commutativity
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Alex Kasman
SIGMA 11 (2015), 087, 22 pages [ abs
pdf ]
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BiHom-Associative Algebras, BiHom-Lie Algebras and BiHom-Bialgebras
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Giacomo Graziani, Abdenacer Makhlouf, Claudia Menini and Florin Panaite
SIGMA 11 (2015), 086, 34 pages [ abs
pdf ]
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On Integrable Perturbations of Some Nonholonomic Systems
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Andrey V. Tsiganov
SIGMA 11 (2015), 085, 19 pages [ abs
pdf ]
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Fast Basins and Branched Fractal Manifolds of Attractors of Iterated Function Systems
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Michael F. Barnsley and Andrew Vince
SIGMA 11 (2015), 084, 21 pages [ abs
pdf ]
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Certain Integrals Arising from Ramanujan's Notebooks
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Bruce C. Berndt and Armin Straub
SIGMA 11 (2015), 083, 11 pages [ abs
pdf ]
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Equivariant Join and Fusion of Noncommutative Algebras
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Ludwik Dąbrowski, Tom Hadfield and Piotr M. Hajac
SIGMA 11 (2015), 082, 7 pages [ abs
pdf ]
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Monge-Ampère Systems with Lagrangian Pairs
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Goo Ishikawa and Yoshinori Machida
SIGMA 11 (2015), 081, 32 pages [ abs
pdf ]
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Structure Preserving Discretizations of the Liouville Equation and their Numerical Tests
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Decio Levi, Luigi Martina and Pavel Winternitz
SIGMA 11 (2015), 080, 20 pages [ abs
pdf ]
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Lie Algebroids in the Loday-Pirashvili Category
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Ana Rovi
SIGMA 11 (2015), 079, 16 pages [ abs
pdf ]
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${\mathcal D}$-Pseudo-Bosons, Complex Hermite Polynomials, and Integral Quantization
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S. Twareque Ali, Fabio Bagarello and Jean Pierre Gazeau
SIGMA 11 (2015), 078, 23 pages [ abs
pdf ]
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Moments and Legendre-Fourier Series for Measures Supported on Curves
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Jean B. Lasserre
SIGMA 11 (2015), 077, 10 pages [ abs
pdf ]
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Weil Representation of a Generalized Linear Group over a Ring of Truncated Polynomials over a Finite Field Endowed with a Second Class Involution
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Luis Gutiérrez Frez and José Pantoja
SIGMA 11 (2015), 076, 15 pages [ abs
pdf ]
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An Asymmetric Noncommutative Torus
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Ludwik Dąbrowski and Andrzej Sitarz
SIGMA 11 (2015), 075, 11 pages [ abs
pdf ]
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Fractional Integral and Generalized Stieltjes Transforms for Hypergeometric Functions as Transmutation Operators
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Tom H. Koornwinder
SIGMA 11 (2015), 074, 22 pages [ abs
pdf ]
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Potential and Sobolev Spaces Related to Symmetrized Jacobi Expansions
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Bartosz Langowski
SIGMA 11 (2015), 073, 17 pages [ abs
pdf ]
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(Co)isotropic Pairs in Poisson and Presymplectic Vector Spaces
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Jonathan Lorand and Alan Weinstein
SIGMA 11 (2015), 072, 10 pages [ abs
pdf ]
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Path Integrals on Euclidean Space Forms
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Guillermo Capobianco and Walter Reartes
SIGMA 11 (2015), 071, 12 pages [ abs
pdf ]
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Uniform Asymptotics of Orthogonal Polynomials Arising from Coherent States
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Dan Dai, Weiying Hu and Xiang-Sheng Wang
SIGMA 11 (2015), 070, 17 pages [ abs
pdf ]
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Harmonic Maps into Homogeneous Spaces According to a Darboux Homogeneous Derivative
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Alexandre J. Santana and Simão N. Stelmastchuk
SIGMA 11 (2015), 069, 12 pages [ abs
pdf ]
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Dynamics on Wild Character Varieties
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Emmanuel Paul and Jean-Pierre Ramis
SIGMA 11 (2015), 068, 21 pages [ abs
pdf ]
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Harmonic Analysis and Free Field Realization of the Takiff Supergroup of ${\rm GL}(1|1)$
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Andrei Babichenko and Thomas Creutzig
SIGMA 11 (2015), 067, 24 pages [ abs
pdf ]
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Computation of Composition Functions and Invariant Vector Fields in Terms of Structure Constants of Associated Lie Algebras
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Alexey A. Magazev, Vitaly V. Mikheyev and Igor V. Shirokov
SIGMA 11 (2015), 066, 17 pages [ abs
pdf ]
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A CA Hybrid of the Slow-to-Start and the Optimal Velocity Models and its Flow-Density Relation
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Hideaki Ujino and Tetsu Yajima
SIGMA 11 (2015), 065, 10 pages [ abs
pdf ]
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${\rm GL}(3)$-Based Quantum Integrable Composite Models. II. Form Factors of Local Operators
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Stanislav Pakuliak, Eric Ragoucy and Nikita A. Slavnov
SIGMA 11 (2015), 064, 18 pages [ abs
pdf ]
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${\rm GL}(3)$-Based Quantum Integrable Composite Models. I. Bethe Vectors
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Stanislav Pakuliak, Eric Ragoucy and Nikita A. Slavnov
SIGMA 11 (2015), 063, 20 pages [ abs
pdf ]
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Topological Monodromy of an Integrable Heisenberg Spin Chain
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Jeremy Lane
SIGMA 11 (2015), 062, 18 pages [ abs
pdf ]
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Confluent Chains of DBT: Enlarged Shape Invariance and New Orthogonal Polynomials
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Yves Grandati and Christiane Quesne
SIGMA 11 (2015), 061, 26 pages [ abs
pdf ]
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$T$-Path Formula and Atomic Bases for Cluster Algebras of Type $D$
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Emily Gunawan and Gregg Musiker
SIGMA 11 (2015), 060, 46 pages [ abs
pdf ]
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A Perturbation of the Dunkl Harmonic Oscillator on the Line
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Jesús A. Álvarez López, Manuel Calaza and Carlos Franco
SIGMA 11 (2015), 059, 47 pages [ abs
pdf ]
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Modular Classes of Lie Groupoid Representations up to Homotopy
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Rajan Amit Mehta
SIGMA 11 (2015), 058, 10 pages [ abs
pdf ]
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Racah Polynomials and Recoupling Schemes of $\mathfrak{su}(1,1)$
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Sarah Post
SIGMA 11 (2015), 057, 17 pages [ abs
pdf ]
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From Polygons to Ultradiscrete Painlevé Equations
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Christopher Michael Ormerod and Yasuhiko Yamada
SIGMA 11 (2015), 056, 36 pages [ abs
pdf ]
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Non-Compact Symplectic Toric Manifolds
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Yael Karshon and Eugene Lerman
SIGMA 11 (2015), 055, 37 pages [ abs
pdf ]
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Eigenvalue Estimates of the ${\rm spin}^c$ Dirac Operator and Harmonic Forms on Kähler-Einstein Manifolds
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Roger Nakad and Mihaela Pilca
SIGMA 11 (2015), 054, 15 pages [ abs
pdf ]
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Constructing Involutive Tableaux with Guillemin Normal Form
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Abraham D. Smith
SIGMA 11 (2015), 053, 14 pages [ abs
pdf ]
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Algebro-Geometric Solutions of the Generalized Virasoro Constraints
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Francisco José Plaza Martín
SIGMA 11 (2015), 052, 34 pages [ abs
pdf ]
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From Jack to Double Jack Polynomials via the Supersymmetric Bridge
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Luc Lapointe and Pierre Mathieu
SIGMA 11 (2015), 051, 15 pages [ abs
pdf ]
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Embeddings of the Racah Algebra into the Bannai-Ito Algebra
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Vincent X. Genest, Luc Vinet and Alexei Zhedanov
SIGMA 11 (2015), 050, 11 pages [ abs
pdf ]
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A Combinatorial Formula for Certain Elements of Upper Cluster Algebras
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Kyungyong Lee, Li Li and Matthew R. Mills
SIGMA 11 (2015), 049, 24 pages [ abs
pdf ]
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General Boundary Formulation for $n$-Dimensional Classical Abelian Theory with Corners
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Homero G. Díaz-Marín
SIGMA 11 (2015), 048, 35 pages [ abs
pdf ]
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Higher Order Deformations of Complex Structures
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Eric D'Hoker and Duong H. Phong
SIGMA 11 (2015), 047, 14 pages [ abs
pdf ]
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On the Integrability of Supersymmetric Versions of the Structural Equations for Conformally Parametrized Surfaces
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Sébastien Bertrand, Alfred M. Grundland and Alexander J. Hariton
SIGMA 11 (2015), 046, 16 pages [ abs
pdf ]
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Non-Integrability of Some Higher-Order Painlevé Equations in the Sense of Liouville
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Ognyan Christov and Georgi Georgiev
SIGMA 11 (2015), 045, 20 pages [ abs
pdf ]
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Time and Band Limiting for Matrix Valued Functions, an Example
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F. Alberto Grünbaum, Inés Pacharoni and Ignacio Nahuel Zurrián
SIGMA 11 (2015), 044, 14 pages [ abs
pdf ]
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Structure Relations and Darboux Contractions for 2D 2nd Order Superintegrable Systems
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Robin Heinonen, Ernest G. Kalnins, Willard Miller Jr. and Eyal Subag
SIGMA 11 (2015), 043, 33 pages [ abs
pdf ]
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Simplex and Polygon Equations
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Aristophanes Dimakis and Folkert Müller-Hoissen
SIGMA 11 (2015), 042, 49 pages [ abs
pdf ]
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Cyclic Homology and Quantum Orbits
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Tomasz Maszczyk and Serkan Sütlü
SIGMA 11 (2015), 041, 27 pages [ abs
pdf ]
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From Twisted Quantum Loop Algebras to Twisted Yangians
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Patrick Conner and Nicolas Guay
SIGMA 11 (2015), 040, 14 pages [ abs
pdf ]
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The Combinatorics of Associated Laguerre Polynomials
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Jang Soo Kim and Dennis Stanton
SIGMA 11 (2015), 039, 12 pages [ abs
pdf ]
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Invariant Classification and Limits of Maximally Superintegrable Systems in 3D
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Joshua J. Capel, Jonathan M. Kress and Sarah Post
SIGMA 11 (2015), 038, 17 pages [ abs
pdf ]
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Quantum Integrals for a Semi-Infinite $q$-Boson System with Boundary Interactions
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Jan Felipe van Diejen and Erdal Emsiz
SIGMA 11 (2015), 037, 9 pages [ abs
pdf ]
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The Stokes Phenomenon and Some Applications
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Marius van der Put
SIGMA 11 (2015), 036, 13 pages [ abs
pdf ]
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On a Quantization of the Classical $\theta$-Functions
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Yurii V. Brezhnev
SIGMA 11 (2015), 035, 11 pages [ abs
pdf ]
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A Cohomological Proof that Real Representations of Semisimple Lie Algebras Have $\mathbb{Q}$-Forms
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Dave Witte Morris
SIGMA 11 (2015), 034, 12 pages [ abs
pdf ]
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Cluster Variables on Certain Double Bruhat Cells of Type $(u,e)$ and Monomial Realizations of Crystal Bases of Type A
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Yuki Kanakubo and Toshiki Nakashima
SIGMA 11 (2015), 033, 32 pages [ abs
pdf ]
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Three-Phase Freak Waves
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Aleksandr O. Smirnov, Sergei G. Matveenko, Sergei K. Semenov and Elena G. Semenova
SIGMA 11 (2015), 032, 14 pages [ abs
pdf ]
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Invariants and Infinitesimal Transformations for Contact Sub-Lorentzian Structures on 3-Dimensional Manifolds
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Marek Grochowski and Ben Warhurst
SIGMA 11 (2015), 031, 23 pages [ abs
pdf ]
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Skein Modules from Skew Howe Duality and Affine Extensions
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Hoel Queffelec
SIGMA 11 (2015), 030, 36 pages [ abs
pdf ]
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Exact M-Theory Solutions, Integrable Systems, and Superalgebras
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Eric D'Hoker
SIGMA 11 (2015), 029, 20 pages [ abs
pdf ]
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Darboux Transformations for (2+1)-Dimensional Extensions of the KP Hierarchy
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Oleksandr Chvartatskyi and Yuriy Sydorenko
SIGMA 11 (2015), 028, 20 pages [ abs
pdf ]
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An Integrability Condition for Simple Lie Groups II
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Maung Min-Oo
SIGMA 11 (2015), 027, 4 pages [ abs
pdf ]
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On the $q$-Charlier Multiple Orthogonal Polynomials
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Jorge Arvesú and Andys M. Ramírez-Aberasturis
SIGMA 11 (2015), 026, 14 pages [ abs
pdf ]
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Metaplectic-c Quantomorphisms
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Jennifer Vaughan
SIGMA 11 (2015), 025, 15 pages [ abs
pdf ]
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The Feigin Tetrahedron
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Dylan Rupel
SIGMA 11 (2015), 024, 30 pages [ abs
pdf ]
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Non-Schlesinger Isomonodromic Deformations of Fuchsian Systems and Middle Convolution
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Yulia Bibilo and Galina Filipuk
SIGMA 11 (2015), 023, 14 pages [ abs
pdf ]
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Dynamics on Networks of Manifolds
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Lee DeVille and Eugene Lerman
SIGMA 11 (2015), 022, 21 pages [ abs
pdf ]
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Schur Superpolynomials: Combinatorial Definition and Pieri Rule
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Olivier Blondeau-Fournier and Pierre Mathieu
SIGMA 11 (2015), 021, 23 pages [ abs
pdf ]
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Long-Time Asymptotics for the Defocusing Integrable Discrete Nonlinear Schrödinger Equation II
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Hideshi Yamane
SIGMA 11 (2015), 020, 17 pages [ abs
pdf ]
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Vertex Algebras $\mathcal{W}(p)^{A_m}$ and $\mathcal{W}(p)^{D_m}$ and Constant Term Identities
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Dražen Adamović, Xianzu Lin and Antun Milas
SIGMA 11 (2015), 019, 16 pages [ abs
pdf ]
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Irreducible Generic Gelfand-Tsetlin Modules of $\mathfrak{gl}(n)$
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Vyacheslav Futorny, Dimitar Grantcharov and Luis Enrique Ramirez
SIGMA 11 (2015), 018, 13 pages [ abs
pdf ]
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On the Killing form of Lie Algebras in Symmetric Ribbon Categories
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Igor Buchberger and Jürgen Fuchs
SIGMA 11 (2015), 017, 21 pages [ abs
pdf ]
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Extension Fullness of the Categories of Gelfand-Zeitlin and Whittaker Modules
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Kevin Coulembier and Volodymyr Mazorchuk
SIGMA 11 (2015), 016, 17 pages [ abs
pdf ]
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Fourier and Gegenbauer Expansions for a Fundamental Solution of Laplace's Equation in Hyperspherical Geometry
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Howard S. Cohl and Rebekah M. Palmer
SIGMA 11 (2015), 015, 23 pages [ abs
pdf ]
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Generalized Convolution Roots of Positive Definite Kernels on Complex Spheres
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Victor S. Barbosa and Valdir A. Menegatto
SIGMA 11 (2015), 014, 13 pages [ abs
pdf ]
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A Central Limit Theorem for Random Walks on the Dual of a Compact Grassmannian
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Margit Rösler and Michael Voit
SIGMA 11 (2015), 013, 18 pages [ abs
pdf ]
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The Quantum Pair of Pants
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Slawomir Klimek, Matt Mcbride, Sumedha Rathnayake and Kaoru Sakai
SIGMA 11 (2015), 012, 22 pages [ abs
pdf ]
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Rank 2 Nichols Algebras of Diagonal Type over Fields of Positive Characteristic
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Jing Wang and István Heckenberger
SIGMA 11 (2015), 011, 24 pages [ abs
pdf ]
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Pseudo-Exponential-Type Solutions of Wave Equations Depending on Several Variables
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Bernd Fritzsche, Bernd Kirstein, Inna Ya. Roitberg and Alexander L. Sakhnovich
SIGMA 11 (2015), 010, 13 pages [ abs
pdf ]
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Lagrangian Reduction on Homogeneous Spaces with Advected Parameters
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Cornelia Vizman
SIGMA 11 (2015), 009, 10 pages [ abs
pdf ]
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Ambiguities in a Problem in Planar Geodesy
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Josef Schicho and Matteo Gallet
SIGMA 11 (2015), 008, 13 pages [ abs
pdf ]
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On a Certain Subalgebra of $U_q(\widehat{\mathfrak{sl}}_2)$ Related to the Degenerate $q$-Onsager Algebra
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Tomoya Hattai and Tatsuro Ito
SIGMA 11 (2015), 007, 13 pages [ abs
pdf ]
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Local Properties of Measures in Quantum Field Theory and Cosmology
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José M. Velhinho
SIGMA 11 (2015), 006, 8 pages [ abs
pdf ]
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Bosonizations of $\widehat{\mathfrak{sl}}_2$ and Integrable Hierarchies
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Bojko Bakalov and Daniel Fleisher
SIGMA 11 (2015), 005, 19 pages [ abs
pdf ]
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Hilbert-Schmidt Operators vs. Integrable Systems of Elliptic Calogero-Moser Type IV. The Relativistic Heun (van Diejen) Case
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Simon N.M. Ruijsenaars
SIGMA 11 (2015), 004, 78 pages [ abs
pdf ]
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Galois Groups of Difference Equations of Order Two on Elliptic Curves
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Thomas Dreyfus and Julien Roques
SIGMA 11 (2015), 003, 23 pages [ abs
pdf ]
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Lowest Weight Representations, Singular Vectors and Invariant Equations for a Class of Conformal Galilei Algebras
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Naruhiko Aizawa, Radhakrishnan Chandrashekar and Jambulingam Segar
SIGMA 11 (2015), 002, 19 pages [ abs
pdf ]
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Geometry of Centroaffine Surfaces in R5
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Nathaniel Bushek and Jeanne N. Clelland
SIGMA 11 (2015), 001, 24 pages [ abs
pdf ]
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