Symmetry, Integrability and Geometry: Methods and Applications (SIGMA)


Volume 14, 2018   (Current volume)


Singular Geometry and Higgs Bundles in String Theory
Lara B. Anderson, Mboyo Esole, Laura Fredrickson and Laura P. Schaposnik
SIGMA 14 (2018), 037, 27 pages   [ abs   pdf ]
Surface Defects in E-String Compactifications and the van Diejen Model
Belal Nazzal and Shlomo S. Razamat
SIGMA 14 (2018), 036, 20 pages   [ abs   pdf ]
On Basic Fourier-Bessel Expansions
José Luis Cardoso
SIGMA 14 (2018), 035, 13 pages   [ abs   pdf ]
Results Concerning Almost Complex Structures on the Six-Sphere
Scott O. Wilson
SIGMA 14 (2018), 034, 21 pages   [ abs   pdf ]
The Duals of the 2-Modular Irreducible Modules of the Alternating Groups
John Murray
SIGMA 14 (2018), 033,   5 pages   [ abs   pdf ]
Elliptically Distributed Lozenge Tilings of a Hexagon
Dan Betea
SIGMA 14 (2018), 032, 39 pages   [ abs   pdf ]
Cartan Prolongation of a Family of Curves Acquiring a Node
Susan Jane Colley and Gary Kennedy
SIGMA 14 (2018), 031, 16 pages   [ abs   pdf ]
${\rm SL}(2,\mathbb{C})$ Gustafson Integrals
Sergey É. Derkachov, Alexander N. Manashov and Pavel A. Valinevich
SIGMA 14 (2018), 030, 16 pages   [ abs   pdf ]
On the Symplectic Structures in Frame Bundles and the Finite Dimension of Basic Symplectic Cohomologies
Andrzej Czarnecki
SIGMA 14 (2018), 029, 12 pages   [ abs   pdf ]
One of the Odd Zeta Values from $\zeta(5)$ to $\zeta(25)$ Is Irrational. By Elementary Means
Wadim Zudilin
SIGMA 14 (2018), 028,   8 pages   [ abs   pdf ]
Hopf Algebras which Factorize through the Taft Algebra $T_{m^{2}}(q)$ and the Group Hopf Algebra $K[C_{n}]$
Ana-Loredana Agore
SIGMA 14 (2018), 027, 14 pages   [ abs   pdf ]
Hopf Algebroid Twists for Deformation Quantization of Linear Poisson Structures
Stjepan Meljanac and Zoran Škoda
SIGMA 14 (2018), 026, 23 pages   [ abs   pdf ]
Elliptic Well-Poised Bailey Transforms and Lemmas on Root Systems
Gaurav Bhatnagar and Michael J. Schlosser
SIGMA 14 (2018), 025, 44 pages   [ abs   pdf ]
Fourier Series of Gegenbauer-Sobolev Polynomials
Óscar Ciaurri and Judit Mínguez
SIGMA 14 (2018), 024, 11 pages   [ abs   pdf ]
On the Linearization Covering Technique and its Application to Integrable Nonlinear Differential Systems
Anatolij K. Prykarpatski
SIGMA 14 (2018), 023, 15 pages   [ abs   pdf ]
Poisson Algebras and 3D Superintegrable Hamiltonian Systems
Allan P. Fordy and Qing Huang
SIGMA 14 (2018), 022, 37 pages   [ abs   pdf ]
Nonlinear Stability of Relative Equilibria and Isomorphic Vector Fields
Stefan Klajbor-Goderich
SIGMA 14 (2018), 021, 37 pages   [ abs   pdf ]
Special Solutions of Bi-Riccati Delay-Differential Equations
Bjorn K. Berntson
SIGMA 14 (2018), 020,   9 pages   [ abs   pdf ]
Multivariate Quadratic Transformations and the Interpolation Kernel
Eric M. Rains
SIGMA 14 (2018), 019, 69 pages   [ abs   pdf ]
Asymptotics for Hankel Determinants Associated to a Hermite Weight with a Varying Discontinuity
Christophe Charlier and Alfredo Deaño
SIGMA 14 (2018), 018, 43 pages   [ abs   pdf ]
Evolutionary Hirota Type (2+1)-Dimensional Equations: Lax Pairs, Recursion Operators and Bi-Hamiltonian Structures
Mikhail B. Sheftel and Devrim Yazıcı
SIGMA 14 (2018), 017, 19 pages   [ abs   pdf ]
Classifying Toric and Semitoric Fans by Lifting Equations from ${\rm SL}_2({\mathbb Z})$
Daniel M. Kane, Joseph Palmer and Álvaro Pelayo
SIGMA 14 (2018), 016, 43 pages   [ abs   pdf ]
Billiards and Tilting Characters for ${\rm SL}_3$
George Lusztig and Geordie Williamson
SIGMA 14 (2018), 015, 22 pages   [ abs   pdf ]
Categorical Tori
Nora Ganter
SIGMA 14 (2018), 014, 18 pages   [ abs   pdf ]
Elliptic Hypergeometric Sum/Integral Transformations and Supersymmetric Lens Index
Andrew P. Kels and Masahito Yamazaki
SIGMA 14 (2018), 013, 29 pages   [ abs   pdf ]
$k$-Dirac Complexes
Tomáš Salač
SIGMA 14 (2018), 012, 33 pages   [ abs   pdf ]
Series Solutions of the Non-Stationary Heun Equation
Farrokh Atai and Edwin Langmann
SIGMA 14 (2018), 011, 32 pages   [ abs   pdf ]
Some Remarks on the Total CR $Q$ and $Q^\prime$-Curvatures
Taiji Marugame
SIGMA 14 (2018), 010,   8 pages   [ abs   pdf ]
Dual Polar Graphs, a nil-DAHA of Rank One, and Non-Symmetric Dual $q$-Krawtchouk Polynomials
Jae-Ho Lee and Hajime Tanaka
SIGMA 14 (2018), 009, 27 pages   [ abs   pdf ]
Darboux Integrability of Trapezoidal $H^{4}$ and $H^{6}$ Families of Lattice Equations II: General Solutions
Giorgio Gubbiotti, Christian Scimiterna and Ravil I. Yamilov
SIGMA 14 (2018), 008, 51 pages   [ abs   pdf ]
Alvis-Curtis Duality for Finite General Linear Groups and a Generalized Mullineux Involution
Olivier Dudas and Nicolas Jacon
SIGMA 14 (2018), 007, 18 pages   [ abs   pdf ]
On the TASEP with Second Class Particles
Eunghyun Lee
SIGMA 14 (2018), 006, 17 pages   [ abs   pdf ]
Poisson Geometry Related to Atiyah Sequences
Kirill Mackenzie, Anatol Odzijewicz and Aneta Sliżewska
SIGMA 14 (2018), 005, 29 pages   [ abs   pdf ]
Reconstructing a Lattice Equation: a Non-Autonomous Approach to the Hietarinta Equation
Giorgio Gubbiotti and Christian Scimiterna
SIGMA 14 (2018), 004, 21 pages   [ abs   pdf ]
Manifold Ways to Darboux-Halphen System
John Alexander Cruz Morales, Hossein Movasati, Younes Nikdelan, Raju Roychowdhury and Marcus A.C Torres
SIGMA 14 (2018), 003, 14 pages   [ abs   pdf ]
Poles of Painlevé IV Rationals and their Distribution
Davide Masoero and Pieter Roffelsen
SIGMA 14 (2018), 002, 49 pages   [ abs   pdf ]
Asymptotic Formulas for Macdonald Polynomials and the Boundary of the $(q, t)$-Gelfand-Tsetlin Graph
Cesar Cuenca
SIGMA 14 (2018), 001, 66 pages   [ abs   pdf ]

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