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When does rank(ABC) = rank(AB) + rank(BC) - rank(B) hold? - MaRDI portal

When does rank(ABC) = rank(AB) + rank(BC) - rank(B) hold? (Q5894848)

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scientific article; zbMATH DE number 1817331
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When does rank(ABC) = rank(AB) + rank(BC) - rank(B) hold?
scientific article; zbMATH DE number 1817331

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