Geometric, algebraic and topological combinatorics. Abstracts from the workshop held December 10--15, 2023
DOI10.4171/owr/2023/58zbMath1546.00067MaRDI QIDQ6613402
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Publication date: 2 October 2024
Published in: Oberwolfach Reports (Search for Journal in Brave)
Matroids in convex geometry (realizations in the context of convex polytopes, convexity in combinatorial structures, etc.) (52B40) Lattice polytopes in convex geometry (including relations with commutative algebra and algebraic geometry) (52B20) Polyhedral combinatorics, branch-and-bound, branch-and-cut (90C57) Proceedings of conferences of miscellaneous specific interest (00B25) Proceedings, conferences, collections, etc. pertaining to combinatorics (05-06) Collections of abstracts of lectures (00B05) Oriented matroids in discrete geometry (52C40) Algebraic combinatorics (05Exx) PL-topology (57Qxx)
Cites Work
- Many triangulated odd-dimensional spheres
- On the generalized lower bound conjecture for polytopes and spheres
- Many neighborly polytopes and oriented matroids
- The uncrossing partial order on matchings is Eulerian
- On locally constructible spheres and balls
- Oriented interval greedoids
- Simplicial arrangements with up to 27 lines
- On the shape of Bruhat intervals
- Kneser's conjecture, chromatic number, and homotopy
- Triangulated n-manifolds are determined by their \([n/2+1\)-skeletons]
- Partitions of mass-distributions and of convex bodies by hyperplanes
- Square-free Gröbner degenerations
- Matroid polytopes, nested sets and Bergman fans
- \(f\)-vectors of barycentric subdivisions
- Triangulations. Structures for algorithms and applications
- Equipartitioning by a convex 3-fan
- Non-partitionable point sets
- Upper bounds for configurations and polytopes in \({\mathbb{R}}^ d\)
- Many triangulated spheres
- Subgroups of finite index in nilpotent groups
- The algebra of oriented simplexes
- The number of faces of a simplicial convex polytope
- On products of matroids
- Fiber polytopes
- On the Erdős-Ginzburg-Ziv theorem and the Ramsey numbers for stars and matchings
- Interpretations combinatoires des nombres de Genocchi
- On a combinatorial problem of Erdős, Ginzburg, and Ziv
- The homology of iterated loop spaces
- Homotopy properties of the poset of nontrivial p-subgroups of a group
- General lexicographic shellability and orbit arrangements
- Derangements and Genocchi numbers
- The c--2d-index of oriented matroids
- The cohomology ring of the colored braid group
- Kalai's squeezed spheres are shellable
- Noncommutative Pieri operators on posets
- Deformations of Coxeter hyperplane arrangements
- On the diameter of an ideal
- Enumeration of points, lines, planes, etc.
- Binomial edge ideals of bipartite graphs
- On the diameter of dual graphs of Stanley-Reisner rings and Hirsch type bounds on abstractions of polytopes
- Omega-categories and chain complexes
- On Quillen's conjecture for the \(p\)-groups complex
- On finite groups acting on acyclic complexes of dimension two
- Fixed point free actions on \(\mathbb{Z}\)-acyclic 2-complexes.
- Incidence combinatorics of resolutions
- Equipartition of mass distributions by hyperplanes
- Weights on polytopes
- Zero-sum problems -- a survey
- On certain symmetry properties of the Genocchi numbers
- Generalized Dumont-Foata polynomials
- A new cubical \(h\)-vector
- Convex equipartitions via equivariant obstruction theory
- Shellability of face posets of electrical networks and the CW poset property
- A semi-small decomposition of the Chow ring of a matroid
- Varieties of tropical ideals are balanced
- Face numbers of barycentric subdivisions of cubical complexes
- Paving tropical ideals
- The \(r\)-signed Birkhoff transform
- Cluster partitions and fitness landscapes of the Drosophila fly microbiome
- Alternation acyclic tournaments
- The hardness of 3-uniform hypergraph coloring
- Representation theory and homological stability.
- Convex equipartitions: the spicy chicken theorem
- Empty simplices of polytopes and graded Betti numbers
- Coxeter complexes and graph-associahedra
- Simultane Vierteilung zweier Körper
- Characteristic polynomials of subspace arrangements and finite fields
- A greedy algorithm to compute arrangements of lines in the projective plane
- Geodesic geometry on graphs
- Unimodality, log-concavity, real-rootedness and beyond
- On the Dual Graphs of Cohen–Macaulay Algebras
- Expander graphs in pure and applied mathematics
- BALANCED CONVEX PARTITIONS OF MEASURES IN ℝ d
- Group actions on arrangements of linear subspaces and applications to configuration spaces
- A catalogue of simplicial arrangements in the real projective plane
- An action of a finite group on an 𝑛-cell without stationary points
- A Census of Planar Triangulations
- Unimodal, log-concave and Pólya frequency sequences in combinatorics
- Expander graphs and their applications
- Conditional Hardness for Approximate Coloring
- Permutohedra, Associahedra, and Beyond
- On Lexicographically Shellable Posets
- The number of polytopes, configurations and real matroids
- The Chromatic Number of Kneser Hypergraphs
- Shellable and Cohen-Macaulay Partially Ordered Sets
- Equivariant Cohomology and Lower Bounds for Chromatic Numbers
- Facing up to arrangements: face-count formulas for partitions of space by hyperplanes
- Whitney Number Inequalities for Geometric Lattices
- The Rigidity of Graphs
- Random Cayley graphs and expanders
- A Fixed Point Theorem for Groups Acting on Finite 2-Dimensional Acyclic Simplicial Complexes
- Lectures on Polytopes
- Shellable nonpure complexes and posets. II
- Topology of the Grünbaum–Hadwiger–Ramos hyperplane mass partition problem
- Thieves can make sandwiches
- Tropical ideals
- Counterexamples to the Neggers-Stanley conjecture
- Oriented Matroids
- A Contribution to the Theory of Groups of Prime-Power Order
- The Slimmest Geometric Lattices
- Shellable Nonpure Complexes and Posets. I
- The 𝑐𝑑-index: A survey
- Reducibility among Combinatorial Problems
- Rigidity of Random Subgraphs and Eigenvalues of Stiffness Matrices
- The homogenized Linial arrangement and Genocchi numbers
- Algebraic Approach to Promise Constraint Satisfaction
- Spectral expansion of random sum complexes
- Improved hardness for H-colourings of G-colourable graphs
- Algebraic approach to promise constraint satisfaction
- The Hirsch Conjecture Holds for Normal Flag Complexes
- Koszul Resolutions
- Enriched 𝑃-Partitions
- [https://portal.mardi4nfdi.de/wiki/Publication:5731810 On the foundations of combinatorial theory I. Theory of M�bius Functions]
- Topology and Adjunction in Promise Constraint Satisfaction
- Chain enumeration, partition lattices and polynomials with only real roots
- Koszul Gorenstein Algebras From Cohen–Macaulay Simplicial Complexes
- Tropical ideals do not realise all Bergman fans
- Analytic properties of zeta functions and subgroup growth
- On the hardness of approximating the chromatic number
- Topology of the Grünbaum-Hadwiger-Ramos problem for mass assignments
- On the \(d\)-dimensional algebraic connectivity of graphs
- The Polyhedral Geometry of Pivot Rules and Monotone Paths
- Irreducible nonmetrizable path systems in graphs
- On the geometry of flag Hilbert-Poincaré series for matroids
- Reconstructing simplicial polytopes from their graphs and affine 2-stresses
- Convex hulls of random order types
- Random balanced Cayley complexes
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