Matroid maps - Статья по прочим предметам

 

Тезисы:

  • After that we have a natural one-to-one correspondence between matroid maps and matroid sets.
  • Characterisation of matroid maps.
  • For further development of our theory we need some structural results on Coxeter matroids.
  • Is a Coxeter matroid we shall refer to its elements as bases.
  • Is a matroid map.
  • For W and P the Coxeter matroid for W and 1 (or W-matroid) .
  • Is also a matroid map.
  • Is a matroid map if and only if the following two conditions are satisfied.
  • Is a matroid map then the satisfaction of conditions (1) and (2) is the main result of [2] .
  • In this situation the primary notion is that of a matroid map.
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