SYMPOSIUM in memory of FRANÇOIS JAEGER
Scientific Program
- Monday August 31
- 9:00 - 10:00 Registration
- 10:00 - 10:45 Opening Session
- 11:00 - 12:00 Louis KAUFFMAN
François Jaeger's Work of
State Models for Knot Invariants
- 12:10 - 12:30 Bill JACKSON
On Jaeger's Dual-Hamiltonian
Conjecture
Lunch
- 14:15 - 14:45 Claude BERGE
Combinatorial properties for
the odd cycles in a graph of small chromatic number
- 14:45 - 15:30 Adrian BONDY
Colourings and Orientations of Graphs
- 15:40 - 16:00 Jack EDMONDS
Some graphic uses of an even number of odd nodes
Coffee break/posters
- 16:15 - 17:00
André BOUCHET
Circle Graphs
- 17:10 - 17:30 Marie-Claude HEYDEMANN
On a problem of walks
- 18:00 Inauguration de la salle François Jaeger
- Tuesday September 1
- 9:00 - 9:30 André RASPAUD
Anti-flows and Strong oriented Colorings of Oriented Graphs
- 9:30 - 10:00 Abdelkader KHELLADI
Colorations généralisées, graphes biorientés, et deux ou trois
choses sur François
Coffee break/posters
- 10:30 - 11:15 William TUTTE
Bicubic Maps.
- 11:30 - 12:30 Paul SEYMOUR
Tutte's 3-edge-colouring conjecture
Lunch
- 14:00 - 16:00 Work sessions :
- Packing problems in graphs and matroids
- Knots, Algebraic invariants and Statistical Mechanics
Coffee break/posters
- 16:15 - 16:45 Chris GODSIL
Spin models and triangle-free strongly regular graphs
- 16:45 - 17:15 Kazumasa NOMURA
Non-Symmetric Spin Models
- 17:15 - 17:45 Makoto MATSUMOTO
A generalization of Jaeger-Nomura's Bose Mesner algebra associated to type II matrices
- 17:45 - 18:30 Eiichi BANNAI
Modular invariance property of associated schemes, Type II codes over finite rings and finite abelian groups, and reminiscence of François Jaeger
- 18:20 - 19:00 Posters
Banquet
- Wednesday September 2
- 9:00 - 9:30 V.S. SUNDER
Algebras of G-relations
- 9:30 - 10:00 Fred WU
Duality and sum-rule relations for the
n-point correlation function of the Potts model
- 10:00 - 10:30 Paul CAMION
Metric coset Schemes
Coffee break/posters
- 11:00 - 11:45 Michel LAS VERGNAS
On Tutte polynomials of
vectorial matroids
- 12:00 - 12:30 Michael TARSI
Counting proper colorings of a graph by Fourier analysis of its graph polynomial
Lunch
Excursion
- Thursday September 3
- 9:00 - 10:00 Yves COLIN DE VERDIERE
Determinants and Fresnel Integrals
- 10:00 - 10:45 Alexander SCHRIJVER
Spectrally characterizing linklessly embeddable graphs
Coffee break/posters
- 11:15 - 11:45 Attila SALI
Orientations of self-complementary graphs and relation of Sperner and Shannon capacities
- 11:45 - 12:30 Dominic WELSH
The Complexity of Some Combinatorial Polynomials
Lunch
- 14:00 - 16:00 Work sessions :
- Graphs, Colorings and morphisms
- Perfect Graphs
Coffee break/posters
- 16:30 - 17:00 Brian ALSPACH
Isomorphisms of circulant graphs and digraphs of prime power order
- 17:00 - 18:00 Pierre de la HARPE
Sur la croissance des groupes de type fini
- Friday September 4
- 9:00 - 9:45 Horst SACHS
(3,6)-cages, toroidal hexagonal systems and their spectra
- 9:45 - 10:30 Bruno COURCELLE
Logical representation of graph drawings with and without edge crossing
Coffee break/posters
- 11:00 - 11:30 Herbert FLEISCHNER
Helping to pave the way: François Jaeger's 8-flow theorem, and a connection between compatibility and cycle double covers
- 11:30 - 12:00 Jean-Claude BERMOND
Applications of flows and codes to broadcasting in hypercubes
- 12:00 - 12:20 Vaughan JONES
Planar algebras, Hadamard matrices
Lunch
François Jaeger Symposium