Feb 7 |
Svante Linusson, KTH |
Liftable valuations
of polytopes |
Feb 14 |
Michael
Björklund and Alexander Engström, KTH |
Characterizations of
totally nonnegative matrices and a proof of a conjecture of Björner |
Feb 21 |
Sandra Di Rocco, KTH |
Discriminants and defect polytopes |
Feb 28 |
Armen Asratian,
Linköping |
On local-global phenomena
in hamiltonian graphs |
Mar 7 |
Olof Heden, KTH |
Perfect codes vs. full rank
perfect codes |
Mar 14 |
Henrik Eriksson, KTH |
Integraler, partitioner
och MacMahons sats |
Mar 23 |
Christian Krattenthaler, Vienna |
Growth diagrams, and
increasing and decreasing chains in fillings of cell diagrams |
Mar 28 |
Jakob
Björnberg, Cambridge and KTH |
Random Poisson flows on graphs |
Apr 11 |
Thomas Westerbäck, KTH |
Steiner triple systems and perfect codes |
May 2 |
Alexander
Engström, KTH |
A new subgraph counting
identity |
May 9 |
Aart Blokhuis, Eindhoven |
Do we know all
3-chromatic distance regular graphs? |
May 16 |
Mark Goresky, IAS
Princeton |
Subspace arrangements and equivariant cohomology |
May 23 |
Petter Brändén, Michigan and KTH |
Negative dependence, log-concavity and zeros of polynomials |