DIS Seminar List
for period 19 January to 3 July 2009
Wednesday 28 January | ||
14:00-15:00 | Nimmo, J (Glasgow) | |
Darboux transformations and quasideterminants | Sem 1 |
Wednesday 04 February | ||
14:00-14:50 | Tongas, A (Crete) | |
Yang-Baxter maps associated to integrable lattice equations | Sem 1 | |
15:10-16:00 | Korff, C (Glasgow) | |
From quantum to ultra-discrete integrable systems: the six-vertex model and the Takahashi-Satsuma cellular automaton | Sem 1 |
Wednesday 11 February | ||
14:00-14:50 | Hietarinta, J (Turku) | |
Bilinearization and soliton solutions for the ABS list | Sem 1 | |
15:10-15:50 | Doliwa, A (Warmia and Mazury) | |
The tau-function of the quadrilateral lattice as Fredholm determinant within the nonlocal D-bar dressing method | Sem 1 |
Thursday 12 February | ||
11:00-12:00 | Levi, D (Università degli Studi Roma Tre) | |
The generalised symmetry method for discrete equations | Sem 1 |
Wednesday 18 February | ||
14:00-14:50 | Ismail, M (Central Florida and King Saud) | |
Freud weights and their q-analogues | Sem 1 | |
15:10-16:00 | Ohta, Y (Kobe) | |
Soliton solutions for coupled nonlinear Schr\"odinger equations | Sem 1 |
Tuesday 24 February | ||
11:00-13:00 | Novikov, S (Maryland) | |
Informal talks | Sem 1 |
Wednesday 25 February | ||
14:00-14:50 | van der Kamp, P (La Trobe) | |
Periodic reductions of integrable lattice equations; the staircase method | Sem 1 | |
15:10-16:00 | Hernandez Heredero, R (Madrid) | |
The multiscale method for dispersive partial differential equations and integrability | Sem 1 |
Wednesday 04 March | ||
14:00-14:50 | Atkinson, J (Leeds) | |
Schwarzian integrable systems and the Mobius group: a new connection | Sem 1 | |
15:10-16:00 | Hone, A (Kent) | |
Algebra and geometry of Somos sequences | Sem 1 |
Monday 09 March | ||
17:00-18:00 | Novikov, S | |
New Discretization of Complex Analysis | Sem 1 |
Tuesday 10 March | ||
11:00-12:30 | Ovsienko, V (Lyon) | |
The Pentagram map: a discrete integrable system | Sem 1 |
Wednesday 11 March | ||
14:00-14:50 | Xenitidis, P (Patras) | |
Symmetry reductions of integrable lattice equations | Sem 1 | |
15:10-16:00 | Papageorgiou, V (Patras) | |
Yang-Baxter maps with first degree polynomial Lax matrices | Sem 1 |
Wednesday 18 March | ||
14:00-14:50 | Rasin, A (Bar-Ilan) | |
Infinitely many conservation laws for the discrete KdV equation | Sem 1 | |
15:00-16:00 | Marshall, I (Loughborough) | |
Poisson properties of the Schrödinger equation | Sem 1 |
Thursday 19 March | ||
11:00-11:50 | Calogero, F (La Sapienza) | |
Recent findings on isochronous and integrable dynamical systems: can they somehow be extended to discrete-time evolutions? | Sem 1 |
Friday 20 March | ||
14:00-15:00 | Ormerod, C (Melbourne) | |
Orthogonal polynomials and connection preserving deformations | Sem 1 |
Monday 23 March | ||
10:00-11:00 | Sergeev, S (Canberra) | |
Classical and quantum three-dimensional lattice field theories | CMS Mtg Rm 3 | |
11:30-12:30 | Odake, S (Shinshu) | |
(Quasi-) exactly solvable `Discrete' quantum mechanics | CMS Mtg Rm 3 | |
14:00-15:00 | Grunbaum, FA (UC, Berkeley) | |
Quantum random walks and orthogonal polynomials | CMS Mtg Rm 3 | |
15:30-16:30 | Falqui, G (SISSA) | |
Manin matrices and quantum spin models | CMS Mtg Rm 3 | |
16:30-17:30 | Kuniba, A (Tokyo) | |
Periodicities of T-systems and Y-systems | CMS Mtg Rm 3 |
Tuesday 24 March | ||
10:00-11:00 | Kashaev, R (Geneva) | |
Fully discrete two dimensional equations of Liouville type | CMS Mtg Rm 3 | |
11:30-12:30 | Korff, C (Glasgow) | |
Crystal limit and Baxter's Q-operator: a combinatorial construction of WZNW fusion rings | CMS Mtg Rm 3 | |
14:00-15:00 | Amico, L (Catania) | |
Applications of models of the Gaudin type to condensed matter physics | CMS Mtg Rm 3 | |
15:30-16:30 | Feher, L (KFKI) | |
Poisson-Lie interpretation of a case of the Ruijsenaars duality | CMS Mtg Rm 3 | |
16:30-17:30 | Suris, YB (Technische Uni München) | |
On integrability of the Hirota-Kimura (bilinear) discretizations of integrable quadratic vector fields | CMS Mtg Rm 3 |
Wednesday 25 March | ||
10:00-11:00 | Isaev, A (BLTP JINR) | |
Discrete evolution operator for $q$-deformed isotropic top | CMS Mtg Rm 3 | |
11:30-12:30 | Silantyev, A (Glasgow) | |
Generalized Macdonald-Ruijsenaars systems and Double Affine Hecke Algebras | CMS Mtg Rm 3 |
Thursday 26 March | ||
10:00-11:00 | Bobenko, A (Technische Uni Berlin) | |
From discrete differential geometry to the classification of discrete integrable systems | CMS Mtg Rm 3 | |
11:30-12:30 | Sklyanin, E (York) | |
Bispectrality and separation of variables in multiparticle hypergeometric systems | CMS Mtg Rm 3 | |
14:00-15:00 | Hikami, K (Naruto Uni of Education) | |
Around the volume conjecture: quantum invariants and modular forms | CMS Mtg Rm 3 | |
15:30-16:30 | Nagoya, H (Tokyo) | |
Confluent KZ equation of sl(N) with Poincar\'e rank 2 | CMS Mtg Rm 3 | |
16:30-17:30 | Lorente, M (Oviedo) | |
More on discrete spacetime | CMS Mtg Rm 3 |
Friday 27 March | ||
09:30-10:00 | ||
The Organisers: Opening Remarks | CMS Mtg Rm 3 | |
10:00-11:00 | Bazhanov, V (Australian National) | |
Quantum geometry of 3-dimensional lattices | CMS Mtg Rm 3 | |
11:30-12:30 | Fredkin, E (Carnegie Mellon) | |
Discrete informational models | CMS Mtg Rm 3 | |
14:00-15:00 | 't Hooft, G (Utrecht) | |
Crystalline gravity | Meeting Room 2, CMS | |
15:30-16:30 | Novikov, SP (Maryland) | |
New discretization of complex analysis and completely integrable systems | CMS Mtg Rm 3 |
Monday 30 March | ||
10:15-11:00 | Satsuma, J (Aoyama Gakuen) | |
Properties of an extended ultradiscrete systems | Satellite | |
11:30-12:15 | Tokihiro, T (Tokyo) | |
Box-Ball system and Toda equation | Satellite | |
14:15-15:00 | Adler, V (Landau Institute) | |
Classification of discrete integrable equations of Hirota type | Satellite | |
15:30-16:15 | van der Kamp, P (La Trobe) | |
Initial values problems for lattice equations, and integrability of periodic reductions of integrable cases | Satellite | |
16:15-17:00 | Szablikowski, B (Glasgow) | |
An unification of field, lattice and q-deformed soliton systems as integrable evolution equations on regular times scales | Satellite |
Tuesday 31 March | ||
09:30-10:15 | Berenstein, A (Oregon) | |
From geometric crystals to crystal bases | Satellite | |
10:15-11:00 | Nakashima, T (Sophia) | |
Epsilon systems of geometric crystals | Satellite | |
11:30-12:15 | Kedem, R (Illiois, Urbana-Champaign) | |
Quantum affine algebras, cluster algebras, and proof of the positivity conjecture | Satellite | |
14:15-15:00 | Okado, M (Osaka) | |
KR crystals and combinatorial R-matrices | Satellite | |
15:30-16:15 | Inoue, R (Susuka) | |
Tropical geometry and integrable cellular automata I Tropical spectral curve and isolevel set | Satellite | |
16:15-17:00 | Takenawa, T (Tokyo Uni of Marine Science) | |
Tropical geometry and integrable cellular automata II Bilinear form and Tropical Fay's identity | Satellite |
Wednesday 01 April | ||
09:30-10:15 | Veselov, A (Loughborough) | |
Yang-Baxter and braid dynamics | Satellite | |
10:15-11:00 | Kakei, S (Rikkyo) | |
Yang-Baxter maps arising from the BKP hierarchy | Satellite | |
11:30-12:15 | Willox, R (Tokyo) | |
Crystal-like structures arising from the dKP hierarchy | Satellite |
Thursday 02 April | ||
09:30-10:15 | Kuniba, A (Tokyo) | |
Classical and quantum aspects of ultradiscrete solitons | Satellite | |
10:15-11:00 | Noumi, M (Kobe) | |
Some determinantal identities for generalized hypergeometric functions | Satellite | |
11:30-12:15 | Kajiwara, K (Kyushu) | |
Ultradiscretization of solvable chaotic maps and the tropical geometry | Satellite | |
14:15-15:00 | Weston, R (Heriot-Watt) | |
Form-factors and dynamical structure factors in the massless XXZ model | Satellite | |
15:30-16:15 | Yamada, Y (Kobe) | |
Lax formalism for the elliptic difference Painleve equation | Satellite | |
16:15-17:00 | Iwao, S (Tokyo) | |
Abelian integrals over complex curves and lattice integrals over tropical curves | Satellite |
Friday 03 April | ||
09:30-10:15 | Schief, WK (TU Berlin) | |
Discrete Laplace-Darboux sequences, Menelaus' theorem and the pentagram map | Satellite | |
10:15-11:00 | Nijhoff, F (Leeds) | |
Elliptic solutions of ABS lattice equations | Satellite | |
11:30-12:15 | Korff, C (Glasgow) | |
Crystals and noncommutative Schur functions | Satellite |
Wednesday 08 April | ||
14:00-14:50 | Hydon, P (Surrey) | |
Conservation laws via the variational difference complex | Sem 1 |
Wednesday 15 April | ||
14:00-14:50 | Rosengren, H (Chalmers University of Technology) | |
Three-coloured chessboards and Baxter's eight-vertex-solid-on-solid model | Sem 1 |
Wednesday 22 April | ||
14:00-14:50 | Nieszporski, M (Warsaw) | |
Discrete counterparts of second-order two-dimensional linear differential equations and their Darboux transformations | Sem 1 | |
15:10-16:00 | Clarkson, P (Canterbury) | |
Vortices and polynomials | Sem 1 |
Wednesday 29 April | ||
14:00-14:50 | Mercat, C (Montpellier) | |
Linear and Quadratic discrete holomorphic functions as integrable systems | Sem 1 |
Wednesday 06 May | ||
14:00-14:50 | Sakai, H (Tokyo) | |
Monodromy preserving deformation and 4-dimensional Painlev\'e type equations | Sem 1 | |
15:10-16:00 | Mansfield, E (Kent) | |
Moving frames and Noether's theorem | Sem 1 |
Thursday 07 May | ||
11:00-13:00 | Duistermaat, J (Utrecht) | |
QRT maps and elliptic surfaces | Sem 1 |
Monday 11 May | ||
09:30-10:30 | Singer, M (North Carolina State) | |
Galois theories for difference equations I. (Tutorial) | Satellite | |
11:00-12:00 | Scanlon, T (UC, Berkeley) | |
Model theory and difference equations I. (Tutorial) | Satellite | |
14:00-15:00 | Ramis, J-P (Paul Sabatier Toulouse III) | |
Invariants for linear difference and q-difference equations I. (Tutorial) | Satellite | |
15:00-16:00 | Umemura, H (Nagoya) | |
Principle of galois theory. | Satellite | |
16:30-17:30 | Casale, G (Rennes 1) | |
Galois theory for nonlinear difference equations | Satellite |
Tuesday 12 May | ||
09:30-10:30 | Singer, M (North Carolina State) | |
Galois theories for difference equations II. (Tutorial) | Satellite | |
11:00-12:00 | Scanlon, T (UC, Berkeley) | |
Model theory and difference equations II. (Tutorial) | Satellite | |
14:00-15:00 | Ramis, J-P (Paul Sabatier Toulouse III) | |
Invariants for linear difference and q-difference equations II. (Tutorial) | Satellite | |
15:00-16:00 | Sauloy, J (Paul Sabatier Toulouse III) | |
Using q-difference equations study nonabelian H 1over elliptic curves | Satellite | |
16:30-17:30 | Chatzidakis, Z (Paris 7 - Denis-Diderot) | |
Difference fields and descent of difference varieties | Satellite | |
17:30-18:00 | Tomasic, I (QMUL) | |
Fields with automorphism and measure | Satellite |
Wednesday 13 May | ||
09:30-10:33 | Halburd, R (UCL) | |
Integrable systems and difference equations (Tutorial) | Satellite | |
11:00-12:00 | van der Put, M (Groningen) | |
Families of singular connections and the Painlevé equations | Satellite | |
16:30-17:00 | Sokolov, V (Landau Institute for Theoretical Physics) | |
Termination of hydrodynamic type chains | Satellite | |
17:00-17:30 | Nishioka, S (Tokyo) | |
Irreducibility of q-Painlevé equation of type $A_6^{(1)}$ in the sense of order | Satellite | |
17:30-18:00 | Ovchinnikov, A (Illinois, Chicago) | |
Differential Tannakian categories and fiber functors | Satellite | |
18:00-18:30 | Juan, L (Texas Tech) | |
Picard-Vessiot extensions with specified Galois group | Satellite |
Thursday 14 May | ||
09:30-10:30 | Matzat, B-H (Heidelberg) | |
Frobenius modules for groups of Lie type | Satellite | |
11:00-12:00 | di Vizio, L (CNRS, IMJ, Paris) | |
Arithmetic theory of q-difference equations | Satellite | |
14:00-15:00 | Kowalski, P (Wroclaw) | |
Ax's theorem for additive power series | Satellite | |
15:00-16:00 | Gekhtman, M (Notre Dame) | |
Poisson geometry of directed networks and integrable lattices | Satellite | |
16:30-17:30 | Halburd, R (UCL) | |
Admissibility of solutions of discrete dynamical systems | Satellite |
Friday 15 May | ||
09:30-10:30 | Hardouin, C (Heidelberg) | |
Galois theory of q-difference in the roots of unity | Satellite | |
11:00-12:00 | Taimanov, I (Novosibirsk State) | |
The Moutard transformation and its applications | Satellite | |
14:00-15:00 | Laine, I (Joensuu) | |
Tropical Nevalinna theory and ultra-discrete equations | Satellite | |
15:00-16:00 | Novikov, S (Maryland) | |
New discretization of complex analysis | Satellite |
Monday 18 May | ||
17:00-18:00 | Duistermaat, J J | |
QRT maps and elliptic surfaces | Sem 1 |
Tuesday 19 May | ||
13:00-15:00 | Duistermaat, H (Utrecht) | |
QRT maps and elliptic surfaces (part 2 of series) | Sem 1 |
Wednesday 20 May | ||
10:00-12:30 | Shi, Y (Sydney) | |
Special solutions of q-Painleve equations via iso-monodromy problem | Sem 1 | |
14:00-14:50 | Askey, R (Wisconsin-Madison) | |
The world of q and orthagonal polynomials | Sem 1 | |
15:10-16:00 | Tsuda, T (Kyushu) | |
From KP/UC hierarchies to Painleve equations | Sem 1 |
Tuesday 26 May | ||
13:00-13:50 | Roberts, JAG (New South Wales) | |
Symplectic structures for difference equations including integrable maps | Sem 1 | |
14:00-14:50 | Duistermaat, JJ (Utrecht) | |
QRT maps and elliptic surfaces (part 3 of series) | Sem 1 |
Wednesday 27 May | ||
14:00-15:00 | Hydon, P, Viallet, CM (Surrey/Pierre & Marie Curie-Paris V) | |
New integrable quad-graphs | DS |
Tuesday 02 June | ||
11:00-12:30 | Noumi, M (Kobe) | |
The elliptic Painleve equation | Sem 2 |
Wednesday 03 June | ||
11:00-12:30 | Noumi, M (Kobe) | |
The elliptic Painleve equation | Sem 1 | |
14:00-14:50 | Maruno, K (Texas - Pan American) | |
Integrable self-adaptive mesh method for the Camassa-Holm and short pulse equations | Sem 1 |
Tuesday 09 June | ||
11:00-12:00 | Granier, A (Institut de Mathematiques de Toulouse) | |
A Galois D-groupoid for q-difference equations | Sem 1 |
Wednesday 10 June | ||
14:00-14:50 | Krichever, I (Columbia) | |
Abelian solutions of difference equations | Sem 1 | |
15:10-16:00 | Konopelchenko, B (Salento) | |
Discrete deformations of associative algebras and discrete integrable equations | Sem 1 |
Friday 12 June | ||
11:00-11:50 | Monastyrsky, M (ITEP, Moscow) | |
Generalised Kramers-Wannier duality for lattice spin models with non-abelian symmetry | Sem 1 |
Monday 15 June | ||
11:00-12:30 | Noumi, M (Kobe) | |
The elliptic Painleve equation (part 3) | Sem 1 |
Tuesday 16 June | ||
11:00-11:50 | Zhang, DJ (Shanghai) | |
Getting more solutions from solitons: a limit approach | Sem 1 | |
17:00-18:00 | Loewe, M | |
Bletchley Park 1942 - 1945 | Sem 1 |
Wednesday 17 June | ||
14:00-14:50 | Mikhailov, A (Leeds) | |
From automorphic Lie Algebras to discrete integrable systems | Sem 1 | |
15:10-16:00 | Maillard, JM (CNRS, Paris) | |
The theory of the 2-d ising model is nothing but the theory of elliptic curves | Sem 1 |
Thursday 18 June | ||
11:00-12:00 | Korotyaev, E (Cardiff) | |
Informal seminar: The Hamiltonians and the action variables for periodic KDV and NLS | Sem 1 |
Friday 19 June | ||
11:00-12:00 | Konopelchenko, B (Salento) | |
Informal seminar: On the deformation theory of associative algebras and integrable equations | Sem 2 |
Tuesday 23 June | ||
14:00-14:50 | Korhonen, R (Helsinki) | |
Nevanlinna theory and difference Painleve equations | Sem 2 |
Wednesday 24 June | ||
14:00-14:50 | Mestel, B (Open University/INI) | |
On the dynamics of the recurrence $x_{n + 1} = f(x _n)/x_{n-1}$ | Sem 2 | |
15:10-16:00 | Veselov, A (Loughborough) | |
Geometry in DIS | Sem 1 |
Thursday 25 June | ||
14:00-15:00 | Hone, A (Kent) | |
Informal seminar: Somos-6 and multiquadratic pencils | Sem 2 |
Monday 29 June | ||
10:00-11:00 | Ruijsenaars, S (Leeds/Loughborough) | |
Hilbert-Schmidt operators vs. elliptic Calogero-Moser type systems | Sem 1 | |
11:30-12:30 | Ramani, A (École Polytechnique) | |
Deautonomising integrable non-QRT mappings | Sem 1 | |
14:00-15:00 | Hereman, W (Colorado School of Mines) | |
Symbolic Computation of Lax Pairs of Integrable Nonlinear Difference Equations on Quad-graphs | Sem 1 | |
15:30-16:30 | Hubert, E (INRIA Sophia Antipolis) | |
Algebra and algorithms for the classification of differential invariants | Sem 1 | |
16:30-17:30 | Mansfield, E (Kent) | |
On the moment map for smooth and discrete Hamiltonian systems | Sem 1 |
Tuesday 30 June | ||
09:00-10:00 | Previato, E (Boston) | |
Isomonodromy and integrability | Sem 1 | |
10:00-11:00 | Mazzocco, M (Loughborough) | |
Poisson brackets arising in Teichmuller theory and isomonodromic deformations | Sem 1 | |
11:30-12:00 | Gordoa, PR (Universidad Rey Juan Carlos) | |
Reduction of order for discrete systems | Sem 1 | |
12:00-12:30 | Pickering, A (Universidad Rey Juan Carlos) | |
Bäcklund transformations for a discrete second Painlevé hierarchy | Sem 1 | |
14:00-14:30 | Spicer, P (KL Leuven) | |
A discrete system from the recurrence coefficients of 2-variable elliptic orthogonal polynomials | Sem 1 | |
14:30-15:00 | Dominici, D (State University of New York) | |
Polynomial solutions of differential-difference equations | Sem 1 | |
15:30-16:30 | Rahman, M (Carleton) | |
On the probabilistic origin of some classical orthogonal polynomials in one and two variables | Sem 1 | |
16:30-17:30 | Koelink, E (Radboud Universiteit Nijmegen) | |
Huge formulas for simple special functions | Sem 1 |
Wednesday 01 July | ||
09:00-10:00 | Rains, EM (CALTECH) | |
Moduli spaces and elliptic difference equations | Sem 1 | |
10:00-11:00 | Hone, A (Kent) | |
Discretizations of Kahan-Hirota-Kimura type and integrable maps | Sem 1 | |
11:30-12:00 | Prellberg, T (QMUL) | |
Area-perimeter generating functions of lattice walks: q-series and their asymptotics | Sem 1 | |
12:00-12:30 | Tierz, M (Brandeis) | |
Stieltjes-Wigert and quantum topological invariants | Sem 1 |
Thursday 02 July | ||
09:00-10:00 | Stokman, J (Universiteit van Amsterdam) | |
Bispectral quantum KZ equations and their solutions | Sem 1 | |
10:00-11:00 | Schlosser, M (Universität Wien) | |
Special commutation relations and combinatorial identities | Sem 1 | |
11:30-12:00 | Hay, M (Kyushu) | |
A completeness study on a class of Lax pairs | Sem 1 | |
12:00-12:30 | Pacharoni, I (Universidad Nacional de Córdoba) | |
Matrix orthogonal polynomials and group representations | Sem 1 | |
14:00-14:30 | Atakishiyev, N (Universidad Nacional Autónoma de México ) | |
On integral and finite Fourier transforms of continuous q-Hermite polynomials | Sem 1 | |
14:30-15:00 | Yao, Y (Tsinghua) | |
A new extended discrete KP hierarchy and its solutions | Sem 1 | |
15:30-16:30 | Witte, NS (Melbourne) | |
Deformation of the Askey-Wilson polynomials | Sem 1 | |
16:30-17:30 | Osinga, H (Bristol) | |
Tangency bifurcations of global Poincaré maps | Sem 1 |
Friday 03 July | ||
09:00-10:00 | Its, A (Indiana University Indianapolis) | |
Discrete Painlevé equations and orthogonal polynomials. | Sem 1 | |
10:00-11:00 | van Assche, W (Katholieke Universiteit Leuven) | |
Discrete Painlevé equations for recurrence coefficients of orthogonal polynomials | Sem 1 | |
11:30-12:00 | Hussain, MD (Veer Kunwar Singh) | |
Some theorem on Eulerian integrals of the multivariable H-function and their applications | Sem 1 | |
12:00-12:30 | Rappoport, J (Russian Academy of Sciences) | |
Chebyshev polynomial approximations for some hypergeometric systems | Sem 1 | |
14:00-14:30 | Ohyama, Y (Osaka) | |
Analytic solutions to the q-Painlevé equations around the origin | Sem 1 | |
14:30-15:00 | Tsuda, T (Kyushu) | |
UC hierarchy and monodromy preserving deformations | Sem 1 | |
15:30-16:30 | Kajiwara, K (Kyushu) | |
Hypergeometric solutions to the symmetric discrete Painlevé equations | Sem 1 |
Other Seminars |
Seminars in the University National and International Scientific Research Meetings |