Maurer's Homotopy Theory for Even Delta-Matroids and Related Combinatorial Geometries

@article{Wenzel1995MaurersHT,
  title={Maurer's Homotopy Theory for Even Delta-Matroids and Related Combinatorial Geometries},
  author={Walter Wenzel},
  journal={J. Comb. Theory, Ser. A},
  year={1995},
  volume={71},
  pages={19-59}
}
  • Walter Wenzel
  • Published in J. Comb. Theory, Ser. A 1995
  • Mathematics, Computer Science
  • Abstract I. M. Gelfand and V. V. Serganova introduced the concept of a (W, P)-matroid which is closely related to word problems in Coxeter groups and offers a unified approach to the theories of matroids, of Δ-matroids as well as to a large class of greedoids. In this paper, we study the slightly different concept of a combinatorial (W; P)-geometry, thereby unifying the exchange conditions in matroids and in even Δ-matroids. This approach is essentially built up graph theoretically and will… CONTINUE READING

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