2 papers
math.CO2026
The incidence matrix of a -ary graph
Michela Ceria, Relinde Jurrius
In this preprint we discuss a definition of a -ary graph. Furthermore, we describe how to make an incidence matrix for it, with an eye on the corresponding -matroid.
math.CO2025
A q-analogue of delta-matroids and related concepts
Michela Ceria, Trygve Johnsen, Relinde Jurrius
We define and study q-delta-matroids, and q-g-matroids. These objects are analogues, for finite-dimensional vector spaces over finite fields, of delta-matroids and g-matroids arisi…