# Program

Date of last update : Oct. 10, 2018## Tentative schedule

The PDF file is also available.

### Monday 12 November

9:15 | – | 9:25 | Opening Address : Masato Wakayama (Executive Vice President, Kyushu University) |
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9:25 | – | 9:30 | Opening Remarks : Kenji Kajiwara (Chair of the Organizing Committee) |

9:30 | – | 10:00 | Masatoshi Noumi : Elliptic hypergeometric integrals and associated determinant formulas |

10:00 | – | 10:30 | Tomohiro Sasamoto : Discrete KPZ model and Frobenius determinant |

10:30 | – | 10:50 | Coffee Break |

10:50 | – | 11:20 | Reinout Quispel : Finding preserved measures and integrals of integrable and non-integrable maps |

11:20 | – | 11:50 | Luc Vinet : Difference and q-difference Heun equations |

11:50 | – | 12:20 | Rei Inoue : Cluster realization of Coxeter groups and its application |

12:20 | – | 14:30 | Lunch Break |

14:30 | – | 15:00 | Nalini Joshi : Hidden solutions of discrete systems |

15:00 | – | 15:30 | Yoshitsugu Takei : Stokes phenomena and connection formulas for some discrete Painlevé equations |

15:30 | – | 16:00 | Yousuke Ohyama : q-Stokes phenomenon on basic hypergeometric series |

16:00 | – | 16:20 | Coffee Break |

16:20 | – | 16:50 | Claire Gilson : Quasi-pfaffian identities and noncommutative discrete integrable systems |

16:50 | – | 17:20 | Andrew Kels : Hypergeometric integrals, Yang-Baxter equations, and 3D-consistent equations |

17:20 | – | 17:50 | Da-jun Zhang : Rational solutions to quadrilateral equations |

17:50 | – | 18:20 | Jarmo Hietarinta : Integrability of quad equations: CAC vs. BT |

### Tuesday 13 November

9:15 | – | 9:45 | Masataka Kanki : Coprimeness property of the Toda type equations over multi-dimensional lattices |
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9:45 | – | 10:15 | Jianzhi Cheng : Degree growth and special solutions of discrete equations |

10:15 | – | 10:45 | Takafumi Mase : Dynamical degrees and singularity patterns |

10:45 | – | 11:05 | Coffee Break |

11:05 | – | 11:35 | Giorgio Gubbiotti : Growth, invariants, Lagrangians and integrability for four-dimensional recurrence relations |

11:35 | – | 12:05 | Anton Shchechkin : Bilinear relations on q-Virasoro conformal blocks and Painleve A_{7}^{(1)'} equation |

12:05 | – | 12:35 | Kanehisa Takasaki : Toda and q-Toda equations for Nekrasov partition functions |

12:35 | – | 14:30 | Lunch Break |

14:30 | – | 15:00 | Pavlo Gavrylenko : Deautonomization of cluster integrable systems |

15:00 | – | 15:30 | Takao Suzuki : Cluster algebra and generalized q-Painlevé VI systems of type A |

15:30 | – | 16:00 | Joe Pallister : Linearisability and integrability of cluster maps from affine Dynkin diagrams |

16:00 | – | 16:20 | Coffee Break |

16:20 | – | 16:50 | Basil Grammaticos : A panoramic view of discrete Painlevé equations: form E_{8}^{(1)} to A_{1}^{(1)} and back |

16:50 | – | 17:20 | Anton Dzhamay : Gap probabilities in tiling models and discrete Painlevé equations |

17:20 | – | 17:30 | Short Break |

17:30 | – | 19:30 | Poster Advertisement Session |

### Wednesday 14 November

9:15 | – | 9:45 | Xing-Biao Hu : Discrete integrable systems and their links to numerical algorithms and orthogonal polynomials |
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9:45 | – | 10:15 | Andrew Hone : Continued fractions and hyperelliptic curves |

10:15 | – | 10:45 | John Roberts : Birational maps over finite fields and probabilistic models for their dynamics |

10:45 | – | 11:05 | Coffee Break |

11:05 | – | 11:35 | Shaoshi Chen : Local and global aspects of D-finite functions |

11:35 | – | 12:05 | Lucia Di Vizio : Reduced differential systems and calculation of the Lie algebra of the differential Galois group |

12:05 | – | 12:35 | Claude Viallet : Singularity analysis of maps beyond 2 dimensions |

12:35 | – | 13:05 | Tomoyuki Takenawa : The space of initial conditions for some 4D Painlevé systems |

13:05 | – | Lunch and Excursion |

### Thursday 15 November

9:15 | – | 9:45 | Wolfgang Schief : Integrable discretisation of hodograph-type systems, Abelian integrals and Whitham equations |
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9:45 | – | 10:15 | Boris Konopelchenko : Integrable structure in the discrete 4-dimensional Plebanski equation |

10:15 | – | 10:45 | Sanjay Ramassamy : Miquel dynamics on circle patterns |

10:45 | – | 11:00 | Coffee Break |

11:00 | – | 14:30 | Poster Session and Lunch |

14:30 | – | 15:00 | Wayne Rossman : Surface discretization and Lie sphere geometry |

15:00 | – | 15:30 | Shizuo Kaji : A linkage mechanism that follows a discrete sine-Gordon/mKdV equation |

15:30 | – | 16:00 | Elizabeth Mansfield : Difference moving frames and its applications |

16:00 | – | 16:20 | Coffee Break |

16:20 | – | 16:50 | Simon Ruijsenaars : On hyperbolic, trigonometric and rational specialisations of van Diejen’s relativistic Heun operator: Progress towards their Hilbert space versions and eventual E_{8} spectral invariance |

16:50 | – | 17:20 | Satoru Odake : Dual polynomials of the multi-indexed (q-)Racah orthogonal polynomials |

17:20 | – | 17:50 | Kerstin Jordaan : A characterization of Askey-Wilson polynomials |

17:50 | – | 18:20 | Alexei Zhedanov : Askey-Wilson algebra and a generalization of the Heun operators |

19:30 | – | Banquet |

### Friday 16 November

9:30 | – | 10:00 | Masato Okado : Integrable systems arising from Kirillov-Reshetikhin crystals of quantum affine algebras |
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10:00 | – | 10:30 | Hitoshi Konno : Elliptic stable envelopes and finite-dimensional representation of elliptic quantum group |

10:30 | – | 10:50 | Coffee Break |

10:50 | – | 11:20 | Ayumu Hoshino : Macdonald polynomials of type C with one-column diagrams and deformed Catalan numbers_{n} |

11:20 | – | 11:50 | Makiko Sasada : Dynamics of the box-ball system with random initial conditions via Pitman's transformation |

11:50 | – | 12:20 | Rod Halburd : The Carlitz derivative and integrable systems in finite characteristic |

12:20 | – | 14:20 | Lunch Break |

14:20 | – | 14:50 | Decio Levi : Conditional symmetry preserving discretizations: the Boussinesq equation |

14:50 | – | 15:20 | Yasuhiko Yamada : On q-Garnier systems |

15:20 | – | 15:50 | Yuri B. Suris : Billiards in confocal quadrics as a pluri-Lagrangian system |

15:50 | – | 16:10 | Coffee Break |

16:10 | – | 16:40 | Frank Nijhoff : Lagrangian multiforms and a quantum variational principle |

16:40 | – | 17:10 | Maciej Nieszporski : From Yang-Baxter maps and tetrahedron maps to discrete integrable systems |

17:10 | – | 17:40 | Adam Doliwa : KP maps and context-free languages |

17:40 | – | 17:50 | Closing Remarks |

## List of posters (confirmed)

- Darlayne Addabbo :
*Q*-systems and generalizations in representation theory - Kanae Akaiwa : An approach to inverse eigenvalue problems from discrete integrable systems
- Victor César Costa Alves : On a quasi integrable discrete Ibragimov-Shabat equation
- Guido Baardink : Mathematical tools for designing periodic lattices with unusual softness and self-stress
- Bjorn Berntson : Integrable delay-differential equations
- Mariusz Białecki : Random domino automaton on Bethe lattice
- Xiangke Chang : On peakon, Toda lattices and associated orthogonal polynomials
- Joseph Cho : Discretization of Ω-surfaces
- Akiko Fukuda : Enumeration of fuzzy cellular automata with prescribed fixed point using Gröbner basis
- Ryad Ghanam : Symmetries of the eikonal equation
- Sebastián Elías Graiff Zurita : Fairing of discrete planar curves with integrable discretization of Euler's elasticae
- Jing Guo : An additive analogue of the Ore-Sato theorem on compatible rational functions
- Shin Isojima : Ultradiscretization with parity variables for nonlinear oscillator and its preserved quantity
- Masaru Kamata : Nonlinear
*O*(3) sigma model in discrete complex analysis - Shuhei Kamioka : The discrete two-dimensional Toda equation gives nice formulae for reverse plane partitions
- Ryo Kamiya : Two dimensional lattice equation as extension of Heideman-Hogan recurrence
- Thomas Kecker : Non-standard discretisations of non-autonomous Hamiltonian systems of Painlevé type
- Katsuki Kobayashi : Discrete integrable system associated with Laurent biorthogonal polynomials and its positive solutions
- Shi-Hao Li : On B-Toda lattice
- Xin Li : Long time asymptotics of Schur and related flows
- Kazuki Maeda : Another generalization of the box-ball system with many kinds of balls
- Yukitaka Minesaki : Totally conservative integration method for
*N*-body problem and its equilibrium solutions - Sanefumi Moriyama : Integrability in super Chern-Simons matrix model
- Christian Müller : Discretizations of surfaces with constant ratio of principal curvatures
- Akane Nakamura : Two aspects of the theta divisors
- Yoichi Nakata : Polytope approach for solving ultradiscrete ordinary difference equations.
- Toshio Nakatsu : Three-partition Hodge integrals
- Nobutaka Nakazono : An elliptic Painlevé equation from next-nearest-neighbor translation on the
*E*_{8}^{(1)}lattice - Atsushi Nobe : Algebraic entropy and chaos in cluster algebras
- Hyeongki Park : Lotka-Volterra flow on discrete centroaffine plane curves
- Kanam Park : A certain generalization of
*q*-hypergeometric functions and their related monodromy preserving deformation - H. Wajahat A. Riaz : Multisoliton solutions of integrable discrete and semi-discrete principal chiral equations
- Yang Shi : Certain subgroups of Coxeter groups and symmetry of integrable equations
- Genki Shibukawa : The multivariate Meixner polynomials
- Nobuhiko Shinzawa : On the positiveness of the soliton solution for the discrete BKP equation
- Alexander Stokes : Full-parameter discrete Painlevé systems from non-translational Cremona isometries
- Yuko Takae : Kahan-Hirota-Kimura type discrete three wave system and QRT mapping
- Thamizharasi Tamizhmani : On the canonical forms of QRT mappings and discrete Painlevé equations
- Dinh T. Tran : Hierarchies of
*q*-discrete second, third and fourth Painlevé equations and their properties - Karol Trzeszczkowski : Potential Korteweg-de Vries equations on honeycomb lattice
- Mats Vermeeren : Continuum limits of integrable lattice equations and their variational structure
- Bao Wang : Discrete invariant curve flows, orthogonal polynomials and moving frame
- Ralph Willox : Dynamical degrees and singularity patterns (2)
- Masashi Yasumoto : A geometric solution of the discrete sinh-Gordon equation and discrete spacelike constant mean curvature surfaces in Minkowski space
- Sikarin Yoo-Kong : Discrete-time hyperbolic Calogero-Moser system
- Cheng Zhang : Darboux-Crum transformations and integrable lattice equations
- Yingnan Zhang : Integrable discretization of soliton equations based on Bäcklund transformation and its application in numerical simulations