Title of article :
Infinite antichains of matroids with characteristic set
Author/Authors :
James Oxley، نويسنده , , Charles Semple، نويسنده , , Dirk Vertigan and Geoff Whittle، نويسنده , , Geoff Whittle، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2002
Abstract :
For each prime p, we construct an infinite antichain of matroids in which each matroid has characteristic set {p}. For p=2, each of the matroids in our antichain is an excluded minor for the class of matroids representable over the rationals.
Keywords :
Matroids , Infinite antichains , Characteristic sets
Journal title :
Discrete Mathematics
Journal title :
Discrete Mathematics
