Matroids without Adjoint

Bachem, Achim and Wanka, Alfred (1989) Matroids without Adjoint.
Published in: Geometriae dedicata Vol. 29 (3). pp. 311-315.


The purpose of this note is to give an example of a rank-4 matroid which not only shows that Levi's intersection property is not a sufficient condition for the existence of an adjoint but also seems to have an interesting structure of the lattice of flats.

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Date Deposited: 02 Apr 2001 00:00
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