18th January 2007 
14:30 to 15:30 
S Novikov 
What is a Discrete Complex Analysis on the Equilateral Triangle Lattice? 

18th January 2007 
16:00 to 17:00 
A Zuk 
Spectra of groups 

23rd January 2007 
14:30 to 15:30 
T Sunada 
On the K$_4$ crystal 

23rd January 2007 
16:00 to 17:00 
P Kuchment 
Liouville theorems for equations on coverings of graphs and manifolds 

26th January 2007 
11:00 to 12:00 
Z Sunik 
Asymptotic aspects of Schreier graphs of selfsimilar groups 

1st February 2007 
14:30 to 15:30 
YV Kurylev 
An approximate boundary distance representation and an approximate rec 

7th February 2007 
16:00 to 17:00 
T Ekholm 
Eigenvalue estimates for Schroedinger operators on regular metric trees 

8th February 2007 
14:30 to 15:30 
J Harrison 
Quantum chaos on graphs 

15th February 2007 
14:30 to 15:30 
V Geyler 
Scattering on a decorated stargraph as a toy model for the spectral theory of automorphic functions 

15th February 2007 
16:00 to 17:00 
A Grunbaum 
Matrix valued orthogonal polynomials and random walks 

16th February 2007 
11:30 to 12:30 
L Gurvits 
Hyperbolic polynomials and lower bounds in combinatorics 

21st February 2007 
16:00 to 17:00 
B Winn 
Spectral edges for periodic operators  some quantum graph examples 

27th February 2007 
14:30 to 15:30 
S Fulling 
Is there an interesting index theory for quantum graphs? 

1st March 2007 
16:00 to 17:00 
J Bruening 
Another Martini for quantum graphs 

6th March 2007 
16:00 to 17:00 
A Terras 
Zeta functions of weighted graphs and covering graphs 

7th March 2007 
16:00 to 17:00 
H Stark 
Zeta and Lfunctions of graphs 

13th March 2007 
14:30 to 15:30 
M Plum 
A computerassisted existence proof for photonic band gaps 

13th March 2007 
16:00 to 17:00 
K Nagatou 
Validated computation tool for PerronFrobenius eigenvalue using graph theory 

15th March 2007 
14:30 to 15:30 
J Wilson 
The Method of Images on a Quantum Graph 

20th March 2007 
11:30 to 12:30 
C Berenstein 
Internet tomography 

22nd March 2007 
11:30 to 12:30 
G Berkolaiko 
Quantum ergodicity on graphs 

22nd March 2007 
14:30 to 15:30 
V Kostrykin 
On the negative spectrum of quantum graphs 

27th March 2007 
11:30 to 12:30 
U Smilansky 
Quantum Chaos on Discrete Graphs 

27th March 2007 
15:30 to 16:30 
S Avdonin 
Controllability of Dynamical Systems on Graphs 

29th March 2007 
10:30 to 11:30 
L Boulton 
On Approximation of the Eigenvalues of Perturbed Periodic Schrodinger Operators 

29th March 2007 
14:00 to 15:00 
O Penkin 
Solvability of the Dirichlet problem on stratified sets 

16th April 2007 
14:30 to 15:30 
Y Colin de Verdiere 
Multiplicities of eigenvalues and topology 

18th April 2007 
14:30 to 15:30 
Y Colin de Verdiere 
Lower bounds of the entropy of quantum limits (after N. Anantharaman and S. Nonnemacher) 

19th April 2007 
14:30 to 15:30 
J von Below 
Travelling fronts on networks for reactiondiffusionequations 

24th April 2007 
14:30 to 15:30 
B Pavlov 
Kirchhoff Constants for Helmholtz Resonator 

26th April 2007 
14:30 to 15:30 
R Weikard 
On Inverse Problems for Trees 

26th April 2007 
16:00 to 17:00 
J von Below 
Can one hear the shape of a network? 

1st May 2007 
16:00 to 17:00 
A Laptev 
Spectral inequalities for a class of hypoelliptic operators 

15th May 2007 
14:30 to 15:30 
A Teplyaev 
Schur complement, DrichlettoNeumann map, and eigenfunctions on selfsimilar graphs 

17th May 2007 
14:30 to 15:30 
H Langer 
Differential operators with singularities and generalised Nevanlinna functions 

23rd May 2007 
11:00 to 12:00 
M Levitin 
Pollutionfree methods for finding eigenvalues in the gaps of the continuous spectrum 

23rd May 2007 
16:00 to 17:00 
S Zhou 
Structural constraints in complex networks 

24th May 2007 
16:00 to 17:00 
V Nekrashevych 
Selfsimilar graphs, algebra and fractals 

5th June 2007 
14:30 to 15:30 
B Vainberg 
Wave propagation in networks of thin fibres: small diameter asymptotics 

7th June 2007 
14:30 to 15:30 
M Kelbert 
Asymptotical properties of random trees on manifolds 

8th June 2007 
11:00 to 12:00 
A Grigor'yan 
Transition density of Markov processes on fractallike spaces 

12th June 2007 
14:30 to 15:30 
S Molchanov 
On one hydrostatic problem 

13th June 2007 
10:30 to 11:30 
R Grigorchuk 
Selfsimilar groups and Schur complement 

13th June 2007 
16:00 to 17:00 
U Smilansky 
Applications of computer methods and mathematical ideas in archaeology 

18th June 2007 
18:00 to 19:00 
M Aizenman 
On the spectra and dynamics of operators with disorder 

19th June 2007 
14:30 to 15:30 
B Davies 
The spectral theory of some directed graphs 

19th June 2007 
16:00 to 17:00 
S Molchanov 
On the random analytic functions 

21st June 2007 
11:00 to 12:00 
I Wood 
Some spectral problems for nonselfadjoint operators 

21st June 2007 
14:30 to 15:30 
S Warzel 
Bernoulli decompositions for random variables and applications 

22nd June 2007 
14:30 to 15:30 
P Kuchment 
Analysis on Graphs and its Applications 

26th June 2007 
14:30 to 15:30 
M Freidlin 
Diffusion in narrow randomly perturbed tubes 

26th June 2007 
16:00 to 17:00 
G Stolz 
The spectral minimum of the random displacement model 
