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contraction×

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2025-07-29 19:47:26 +0200 JT_matroid

Possible bug? Matroid contraction when creating a matroid from Matroid() by giving flats.

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contraction
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2021-09-14 13:27:03 +0200 eric_g

Contraction of Levi-Civita Symbols

alternatingsymbol
levi-civita
contraction

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