Michał Adamaszek, Dense flag triangulations of 3-spheres
and extremal graph theory, Apr 25, 2012
Armen Asratian, On
local-global phenomena in hamiltonian graphs, Feb 28, 2007
Christos Athanasiadis, The
absolute order on a finite Coxeter group,
Apr 20, 2009
Per Austrin, Approximability and unique games, Jan 28, 2009
Jonathan Barmak, Weak,
simple and strong homotopy types, Aug 26,
2009
Jonathan Barmak, A
finite space approach to the Andrews-Curtis
conjecture, Feb 10, 2010
Jonathan Barmak, A
new tool to study homotopy invariants of
independence complexes, May 12, 2010
Jonathan Barmak, Colorings of a poset, coverings and fundamental
groups, May 9, 2012
Bruno Benedetti, Counting
manifolds via discrete Morse theory, Sep
8, 2010
Bruno Benedetti,
Metric Geometry and Collapsibility,
Sep 14, 2011
Alexander Berglund, Golodness
of Stanley-Reisner rings, Sep 19, 2007
Louis J. Billera, Flag Enumeration in Polytopes, Eulerian Partially
Ordered Sets and Coxeter Groups, June 1, 2011
Michael Björklund (with Alexander
Engström), Characterizations
of totally nonnegative matrices and a proof of a conjecture
of Björner, Feb 14, 2007
Jakob
Björnberg, Random
Poisson flows on graphs, Mar 28, 2007
Anders Björner, Generalizing
the upper and lower bound theorems for
simplicial polytopes, Nov 1, 2006
Anders Björner, Connectivity
of polytope boundaries and rigidity of posets,
Oct 3, 2007
Anders Björner, Random
walks on complex hyperplane arrangements,
Nov 14, 2007
Anders Björner, Användning
av FKG och liknande olikheter i extremal
kombinatorik, Dec 10, 2008
Anders Björner, A q-analogue
of the FKG inequality and some
applications, Sep 2, 2009
Anders Björner, A
cell complex in number theory, Feb 24,
2010
Anders Björner, Permutation statistics revisited,
Nov 23, 2011
Aart Blokhuis, Do
we know all 3-chromatic distance regular
graphs?, May 9, 2007
Mats Boij, On
the shape of a pure O-sequence, Apr
14, 2010
Petter
Brändén, Negative
dependence, log-concavity and zeros of
polynomials, May 23, 2007
Petter
Brändén, The
Lee-Yang program and linear operators
preserving stability, Feb 13, 2008
Petter
Brändén, Infinite
log-concavity and zeros of polynomials,
Oct 28, 2009
Petter Brändén,
Toric arrangements and multivariate arithmetic Tutte
polynomials,
Feb 8, 2012
Francis Brown, From
biomathematics to enumerative combinatorics: genetic microarrays
and up-down permutations, Nov 22,
2006
Michelle
Bucher-Karlsson, Minimal
triangulations of products of polygons,
Oct 29, 2008
Dustin Cartwright, Three notions of tropical
rank for symmetric matrices,
Apr 27, 2011
Ruth Charney, Groups associated to random graphs, Mar 14, 2012
Sunil Chhita,
Particle Systems Arising from an Anti-ferromagnetic Ising Model,
Oct 26, 2011
Anders Claesson, Conway's
napkin problem, Dec 6, 2006
Anders Claesson, Stack
sorting, trees and pattern avoidance, Dec
5, 2007
Anders Claesson, (2+2)-free
posets, ascent sequences and pattern avoiding
permutations, Apr 29, 2009
María Angélica Cueto, Tropical secant graphs of monomial curves, Mar 23,
2011
Sandra Di Rocco, Discriminants
and defect polytopes, Feb 21, 2007
Sandra Di Rocco, On
a conjecture of Batyrev and Nill, Sep 17,
2008
Persi Diaconis,
Shuffling Cards and Hopf Algebras,
Feb 15, 2012
Torsten Ekedahl, Shellability
of elementary collapses, Nov 12, 2008
Eric Emtander, $d$-flag
complexes and chordal hypergraphs, Feb 27,
2008
Alexander
Engström, Higher
connectivity of graph coloring complexes,
Oct 25, 2006
Alexander Engström (with Michael
Björklund), Characterizations
of totally nonnegative matrices and a proof of a conjecture
of Björner, Feb 14, 2007
Alexander
Engström, A
new subgraph counting identity, May 2,
2007
Alexander
Engström, Discrete
Morse functions from Fourier transforms,
Sep 12, 2007
Alexander
Engström, The
topological Tverberg theorem, Oct 31, 2007
Alexander
Engström, The
geometry of cut polytopes, Sep 24, 2008
Alexander
Engström, Topological
representations of matroids, Oct 21, 2009
Alexander
Engström, The
geometry of resolutions of monomial
ideals, Mar 17, 2010
Alexander
Engström, Towards
a theory of structural commutative
algebra, Apr 21, 2010
Alexander
Engström, Betti numbers of lattice ideals from discrete Morse
theory, Feb 2, 2011
Alexander Engström,
Ehrhart polynomials from ranking genes fast and a local Riemann hypothesis,
Oct 19, 2011
Henrik Eriksson, Integraler,
partitioner och MacMahons sats, Mar 14,
2007
Kimmo Eriksson, Limiting
shapes of birth-and-death processes on Young
diagrams, Nov 4, 2009
Niklas Eriksen, Permutations
with prescribed descents, and fixed point
colored permutations, May 5, 2008
Ragnar Freij, Equivariant
discrete Morse theory, and the complex of
connected graphs, Oct 8, 2008
Ragnar Freij, Hansen polytopes and the 3^d conjecture, Feb 29, 2012
Shmuel Friedland, Counting
matchings in graphs with applications to the
monomer-dimer models, Apr 16, 2008
Ralf Fröberg, Koszul
algebras, Feb 4, 2009
Rafael Gonzalez
D'Leon, Representing matroids by polynomials with the
half-plane property, May 27, 2009
Mark Goresky, Subspace
arrangements and equivariant cohomology,
May 16, 2007
Christian Haase, Lattice Points and Adjunction, Mar 16, 2011
Olof Heden, Perfect
codes vs. full rank perfect codes, Mar 7, 2007
Olof Heden,
An introduction to vector space partition
problems, Mar 9, 2011
Brian Hopkins, Bulgarian
solitaire and related operations on
partitions, Apr 30, 2009
Liza Huijse, What
can cohomology tell us about many-particle
quantum systems?, Jan 14, 2009
Axel Hultman, Twisted
identities in Coxeter groups, Oct 11, 2006
Axel Hultman, Connections
between inversion arrangements and Bruhat
intervals, Sep 5, 2007
Axel Hultman, Points
on tropical lines, Feb 20, 2008
Axel Hultman, Singularities
of Schubert varieties and their relatives,
(lärarprov), Sep 16, 2009
Axel Hultman, Inversion
arrangements and Bruhat intervals, Apr 7,
2010
Federico Incitti, Dyck
partitions, quasi-maximal quotients and Kazhdan-Lusztig
polynomials, Nov 5, 2008
David M. R. Jackson, Geometrical
conjectures associated with embeddings of
graphs in surfaces, Oct 18, 2006
Svante Janson, Graph
limits and exchangeable infinite random
graphs, Mar 18, 2009
Jakob Jonsson, Simplicial
complexes of permutations, Aug 29, 2007
Jakob Jonsson, Torsion
in the homology of the chessboard complex,
Sep 26, 2007
Jakob Jonsson, On
how to detect torsion in the homology of a
chain complex, Jan 30, 2008
Jakob Jonsson, Hard
squares with negative activity on cylinders
with odd circumference, Sep 3, 2008
Jakob Jonsson, On
the topology of independence complexes of
triangle-free graphs, Oct 14, 2009
Jakob Jonsson, The
Cantini-Sportiello proof of the
Razumov-Stroganov conjecture, Apr 28, 2010
Thomas Kahle, A
taxonomy of commutative monoid
congruences, Nov 10, 2010
Gil Kalai, A
mathematical dialogue in discrete geometry with Jürgen
Eckhoff, Jun 3, 2009
Gil Kalai, Analysis of Boolean functions: some results
and two problems, May 23, 2012
Juhani Karhumäki, Beauty
and challenges of combinatorics on words,
Mar 3, 2010
Anatol Kirillov, Tropical
Robinson-Schensted-Knuth correspondence,
Nov 18, 2009
Christer Kiselman, Characterizing
digital straightness using the chord property, word
combinatorics, Diophantine inequalites, and difference
operators, Dec 9, 2009
Christian
Krattenthaler, Growth
diagrams, and increasing and decreasing chains in fillings of
cell diagrams, Mar 23, 2007
Martina Kubitzke, The
Lefschetz property for barycentric subdivisions of shellable
complexes, Nov 11, 2009
Urban Larsson, 2-pile
Nim with a restricted number of move-size
imitations, Nov 28, 2007
Juliane Lehmann,
Some necessary conditions for the existence of vector space partitions, Mar 9, 2011
Matthias Lenz,
Zonotopal algebra and Mason's conjecture,
Jan 25, 2012
Alice Lesser, Optimal
and hereditarily optimal realizations of
metric spaces, Nov 19, 2008
Svante Linusson, On
the independence complex of square grids,
Nov 8, 2006
Svante Linusson, Liftable
valuations of polytopes, Feb 7, 2007
Svante Linusson, Percolation
on bunkbed graphs and a conjecture by
Häggström, Oct 1, 2008
Svante Linusson, n! matchings, n! posets,
Dec 16, 2009
Svante Linusson, The probability of the Alabama paradox, June 8, 2011
Klas Markström, Azuma-Hoeffding
inequalities for matrix martingales and random
expanders, May 7, 2008
Luca Moci, A Tutte polynomial for toric arrangements and
zonotopes, Apr 6, 2011
Ivan Mogilnykh, Weak
isometries of Preparata codes, Dec 2, 2009
Esmeralda Năstase,
The minimum size of a finite subspace partition, Mar 9, 2011
Benjamin Nill, Hollow
lattice polytopes and Ehrhart theory, May
20, 2009
Patrik Norén, Graph homomorphism ideals, May 27, 2009
Patrik Norén, Tree
decomposition, Feb 17, 2010
Patrik Norén, Polytopes
from Subgraph Statistics, Jan 19, 2011
Mikael Passare, Discriminantal
coamoebas and zonotopes, Nov 7, 2007
Robert Parviainen, Constant
term methods for lattice paths and their applications to
Asymmetric Exclusion processes, Dec
12, 2007
Piotr Przytycki, Acute
triangulations of polyhedra, Sep 23, 2009
Vic Reiner, Diameter
of the graph of reduced words, May 6, 2009
Andrzej Rucinski, Dirac
type problems for hypergraphs, Jun 10,
2009
Carsten Schultz,
The equivariant topology of stable Kneser graphs
Oct 21, 2011
Pascal Schweitzer, Aspects of the Graph Isomorphism Problem, Mar 28, 2012
Patrick
Schweitzer, Competition Numbers, Quasi-Line Graphs and Holes, Apr 24, 2012
Papa Sissokho,
The lattice of subspace partitions, Mar 9, 2011
Jonas Sjöstrand, Expected
number of inversions after t random
transpositions, Oct 20, 2010
Jonas
Sjöstrand, Equidistributed statistics on matchings and
permutations, Jan 26, 2011
Michael Shapiro, Directed
planar networks in the disk and in the
annulus, Nov 26, 2008
Tatiana Smirnova-Nagnibeda, Criticality of the Abelian Sandpile Model on self-similar
graphs, Feb 1, 2012
Greg Smith, Eulerian
numbers and Laurent polynomials, Sep 30,
2009
Stephen D. Smith,
Poset combinatorics and cohomology of sporadic simple groups,
Nov 2, 2011
Faina I. Solov'eva, On
transitive partitions of the $n$-cube into
binary codes, Oct 10, 2007
Frank Sottile, Combinatorial positivity in the Schubert calculus via
dual equivalence graphs, Apr 13, 2011
Matthew Stamps,
Topological representations of matroid maps,
May 4, 2011
Benjamin Steinberg, Poset cohomology, Leray numbers and the global dimension
of left regular bands, May 11, 2011
Klara Stokes, Some
numerical semigroups in finite geometry,
Apr 29, 2010
Seth Sullivant, Eulerian-Catalan Numbers, Mar 2, 2011
Martin Tancer, Hardness
of embedding simplicial complexes in
$R^d$, Oct 7, 2009
Bhalchandra Thatte, Reconstructing
pedigrees, Nov 17, 2010
Hanna Uscka-Wehlou, Some
combinatorial problems related to digital straight lines with
irrational slopesand to balanced aperiodic
words, Dec 2, 2009
Mikael Vejdemo
Johansson, Species,
derivatives of types and Gröbner bases
for operads, Sep 1, 2010
Kathrin Vorwerk, Boolean
involutions in the symmetric group, Nov
15, 2006
Kathrin Vorwerk, Buildings
and chamber graph connectivity, Apr 23,
2008
Kathrin Vorwerk, Stanley's
depth conjecture, Sep 10, 2008
Kathrin Vorwerk, The
Grassmannian and the associahedron, Jan
20, 2010
Michelle Wachs, Homology
of Rees products of posets and permutation
enumeration, Oct 15, 2008
Thomas
Westerbäck, Steiner
triple systems and perfect codes, Apr 11,
2007
Benjamin
Young, Domino shuffling for the Half-Hexagon graph, Feb 16, 2011
Piotr Zwiernik, Binary cumulant varieties, May 18, 2011.
Various artists, Open
problems seminar, Mar 26, 2008
Various people, Open
problems session, May 19, 2010