London Mathematical Society -- EPSRC Durham Symposium
Graph Theory and Interactions
2013-07-15 to 2013-07-25

Schedule of Talks
(Click on title to view abstract.)

Note: All talks will take place in ROOM CG93, Chemistry Building.

Jul 15 (Mon)

14:00 - 19:00 Registration in JCR (Grey College)

19:00 - 20:00 Dinner

Jul 16 (Tue)

09:00 - 10:00 Bill Jackson: Rigidity of graphs and frameworks

10:00 - 10:30 Coffee

10:30 - 11:30 Bruno Courcelle: Automata based graph algorithms for logically defined problems 1

11:30 - 12:30 Alain Valette: Euclidean distortion and spectral gap for finite graphs

13:00 - 14:00 Lunch

15:00 - 16:00 Nicolas Trotignon: Truemper configurations

16:00 - 16:30 Shiping Liu: Ricci curvature and spectra estimates on graphs

16:30 - 17:00 Coffee

17:00 - 18:00 Kristina Vuskovic: Local structural properties and decomposition

18:30 - 19:30 Dinner

19:45 - 21:45 Wine/Cheese Reception

Jul 17 (Wed)

09:00 - 10:00 Daniel Lenz: Spectral theory of graphs and Dirichlet forms via intrinsic metrics 1

10:00 - 10:30 Coffee

10:30 - 11:30 Bruno Courcelle: Automata based graph algorithms for logically defined problems 2

11:30 - 12:30 Richard Sharp: A Weil-Petersson metric for graphs

13:00 - 14:00 Lunch

15:00 - 16:00 Peter Buser: Jacobians of degenerate Riemann surfaces and graphs

16:00 - 16:30 Fernando Lledo: Spectral gaps for periodic discrete and metric graphs

16:30 - 17:00 Coffee

17:00 - 18:00 Jozef Dodziuk: Difference equations on graphs

19:00 - 20:00 Dinner

Jul 18 (Thu)

09:00 - 10:00 Daniel Lenz: Spectral theory of graphs and Dirichlet forms via intrinsic metrics 2

10:00 - 10:30 Coffee

10:30 - 11:30 Bruno Courcelle: Automata based graph algorithms for logically defined problems 3

11:30 - 12:30 Rosemary Bailey: Levi graphs and concurrence graphs as tools to evaluate block designs

13:00 - 14:00 Lunch

14:00 - 14:15 Photograph

14:30 - 18:00 Cathedral Visit

19:00 - 20:00 Dinner

Jul 19 (Fri)

09:00 - 10:00 Corneliu Hoffman: Expander graphs from groups of Kac-Moody type and generalizations

10:00 - 10:30 Coffee

10:30 - 11:30 Willem Haemers: Spectra of Graphs 1: Spectral characterizations

11:30 - 12:30 Matthias Keller: On negative curvature and spectrum of graph Laplacians

13:00 - 14:00 Lunch

15:00 - 16:00 Radoslaw Wojciechowski: Intrinsic metrics on infinite graphs

16:00 - 16:30 Tony Nixon: Symmetric frameworks on cylinders and cones

16:30 - 17:00 Coffee

17:00 - 18:00 Sebastian Cioaba: Eigenvalues and Structure of Graphs

19:00 - 21:00 Conference Dinner

Jul 20 (Sat)

09:00 - 10:00 Ioannis Ivrissimtzis: Spectral properties of Platonic graphs and a new family of trivalent expanders

10:00 - 10:30 Coffee

10:30 - 11:30 Willem Haemers: Spectra of Graphs 2: Maximal energy

11:30 - 12:30 Edwin van Dam: Eigenvalues and distance-regularity of graphs

13:00 - 14:00 Lunch

15:00 - 15:45 Viresh Patel: A conjecture of Thomassen on Hamiltonian cycles in highly connected tournaments

15:45 - 16:30 Ross Kang: Arrangements of pseudocircles and circles

16:30 - 17:00 Coffee

17:00 - 18:00 PROBLEM SESSION 1

19:00 - 20:00 Dinner

Jul 21 (Sun)

09:00 - 17:30 Day Trip to Alnwick Castle and Gardens

19:00 - 20:00 Dinner

Jul 22 (Mon)

09:00 - 10:00 Daniel Kral: Limits of graphs and permutations 1

10:00 - 10:30 Coffee

10:30 - 11:30 Victor Chepoi: A topological characterization of basis graphs of matroids

11:30 - 12:30 Harald Helfgott: Growth in groups: ideas and perspectives

13:00 - 14:00 Lunch

15:00 - 16:00 Ken-ichi Kawarabayashi: Property testing for sparse graphs - Structural graph theory meets property testing

16:00 - 16:30 Allan Lo: Proof of the 1-factorization and Hamilton decomposition conjectures

16:30 - 17:00 Coffee

17:00 - 18:00 Bojan Mohar: On median eigenvalues of graphs

19:00 - 20:00 Dinner

20:15 - 21:15 PROBLEM SESSION 2

Jul 23 (Tue)

09:00 - 10:00 Daniel Kral: Limits of graphs and permutations 2

10:00 - 10:30 Coffee

10:30 - 11:30 Artem Pyatkin: Incidentor coloring: Methods and results

11:30 - 12:30 Mark Jerrum: The Tutte polynomial: sign and approximability

13:00 - 14:00 Lunch

15:00 - 16:00 Audrey Terras: Finite upper half plane graphs and their connections with modular forms

16:00 - 16:30 Anna Huber: Randomized Rumour Spreading

16:30 - 17:00 Coffee

17:00 - 18:00 Harold Stark: Multivariable Zeta Functions of Graphs

18:30 - 19:30 Dinner

19:45 - 21:45 Wine/Cheese Reception & Poster Session

Jul 24 (Wed)

09:00 - 10:00 Daniel Kral: Limits of graphs and permutations 3

10:00 - 10:30 Coffee

10:30 - 11:30 Mark Pollicott: Nonlinear Perron-Frobenius-Ruelle Theorems

11:30 - 12:30 Maximilien Gadouleau: Entropy and closure of directed graphs

13:00 - 14:00 Lunch

15:00 - 16:00 Dudley Stark: Poisson approximation of counts of subgraphs in random intersection graphs

16:00 - 16:30 Lukasz Grabowski: Combinatorics related to spectral theory of random walks on lamplighter groups

16:30 - 17:00 Coffee

17:00 - 18:00 Rolf Niedermeier: Exploiting Graph Structure in Multivariate Algorithmics

19:00 - 20:00 Dinner