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Matroidal graphs

open access: yesDiscrete Mathematics, 1977
AbstractTwo edges of a graph are said to form a couple when their nodes can be labelled A, B, C, D so that A is adjacent to B but not to C, and D is adjacent to C but not to B. A graph is called matroidal if the binary relation “equals to or forms a couple with” among its edges is an equivalence relation. The structure of matroidal graphs is determined.
openaire   +2 more sources

Flip Distances Between Graph Orientations. [PDF]

open access: yesAlgorithmica, 2021
Aichholzer O   +6 more
europepmc   +1 more source

Non-Preemptive Tree Packing. [PDF]

open access: yesAlgorithmica, 2023
Lendl S, Woeginger G, Wulf L.
europepmc   +1 more source

Projective hypersurfaces in tropical scheme theory I: the Macaulay ideal. [PDF]

open access: yesRes Math Sci
Fink A   +3 more
europepmc   +1 more source

The cyclic flats of a q-matroid. [PDF]

open access: yesJ Algebr Comb (Dordr)
Alfarano GN, Byrne E.
europepmc   +1 more source

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