Geodesic

The Björner Festschrift volume

Sommaire

Preface
Shellability and the strong gcd-condition
Algebraic properties of edge ideals via combinatorial topology
Betti numbers of monomial ideals and shifted skew shapes
Conjugacy of Coxeter elements.
Hard squares with negative activity on cylinders with odd circumference
How to draw tropical planes
The fundamental group of balanced simplicial complexes and posets
Remarks on missing faces and generalized lower bounds on face numbers
Promotion and evacuation
Permutations with Kazhdan-Lusztig polynomial \(P_{id,w}(q)=1+q^{h}\). With an appendix by Sara Billey and Jonathan Weed
Subdivision yields Alexander duality on independence complexes
Hyperbolization of Euclidean ornaments
\(f\)-vectors of 3-manifolds
Semidefinite functions on categories
Derangement polynomials and excedances of type \(B\)
Tetrahedra on deformed spheres and integral group cohomology
Cubical convex ear decompositions
Affine partitions and affine Grassmannians
Character polynomials, their \(q\)-analogs and the Kronecker product.
Poset homology of Rees products, and \(q\)-Eulerian polynomials
Superization and \((q,t)\)-specialization in combinatorial Hopf algebras
Rationality, irrationality, and Wilf equivalence in generalized factor order
Shellability of a poset of polygonal subdivisions