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- W2492290716 abstract "Let M be a matroid on the finite set E. (1)Let B∈W, e∈B, and e′∈ E. Then we say that e∈B can be replaced by e′ if (B-{e} ) ∪ {e ′} ∈ W. Clearly, if e ∈ B can be replaced by e′, then e′∈ B → e′ = e, or equivalently, e ≠ e′ → e′∈ E-B.(2)Let B,B′∈W, e∈B, and e′∈B′. Then we say that e∈B and e′e B′ can be exchanged symmetrically if (B-{e})∪{e′} , (B′-{e′})∪{e} ∈ W, i.e. if e∈B can be replaced by e′ , and e′ ∈. B′ by e." @default.
- W2492290716 created "2016-08-23" @default.
- W2492290716 creator A5068207931 @default.
- W2492290716 date "1975-01-01" @default.
- W2492290716 modified "2023-09-28" @default.
- W2492290716 title "Exchange Properties for Bases of Matroids" @default.
- W2492290716 doi "https://doi.org/10.1007/978-3-642-48292-2_5" @default.
- W2492290716 hasPublicationYear "1975" @default.
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