A characterization of middle graphs and a matroid associated with middle graphs of hypergraphs
A characterization of the bases of line-splitting matroids.
A characterization of the simplex.
A common recursion for Laplacians of matroids and shifted simplicial complexes.
A geometric theory of hypergraph colouring.
A Matroid on Hypergraphs, with Applications in Scene Analysis and Geometry.
A Nonuniform Matroid Which Violates the Isotopy Conjecture.
A note on representing dowling geometries by partitions
We prove that a rank Dowling geometry of a group is partition representable if and only if is a Frobenius complement. This implies that Dowling group geometries are secret-sharing if and only if they are multilinearly representable.
A note on the independence number of an identically self-dual perfect matroid design.
A relative Laplacian spectral recursion.
A tentative answer to the Castel-San Pietro problem.
A unified treatment of the theories of matroids with coefficients and of -matroids with coefficients.
A invariant for greedoids and antimatroids.
About a generalization of transversals
The aim of this paper is to generalize several basic results from transversal theory, primarily the theorem of Edmonds and Fulkerson.
Adjoints and Duals of Matroids Linearly Representable over a Skewfield.
Affine Triple Systems and Matroid Designs.
Amalgamation over uniform matroids
An Exchange Property For The Submodular Systems.
An extension of matroid rank submodularity and the -Rayleigh property.
An Infinite Family of Minor-Minimal Nonrealizable 3-Chirotopes.