Linear Algebraic Relations among Cardinalities of Sets of Matroid Functions
We introduce a unifying approach for invariants of finite matroids that count mappings to a finite set. The aim of this paper is to show that if the cardinalities of mappings with fixed values on a restricted set satisfy contraction–deletion rules, then there is a relation among them that can be exp...
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
MDPI AG
2023-06-01
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| Collection: | Mathematics |
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| Accès en ligne: | https://www.mdpi.com/2227-7390/11/11/2570 |
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