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arxiv: math/0106136 · v4 · submitted 2001-06-15 · 🧮 math.CO

Quadratic Orlik-Solomon algebras of graphic matroids

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keywords conditiongraphicmatroidsorlik-solomonalgebraalgebrasassociatedbinary
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In this note we introduce a sufficient condition for the Orlik-Solomon algebra associated to a matroid M to be l-adic and we prove that this condition is necessary when M is binary (in particular graphic). Moreover, this result cannot be extended to the class of all matroids.

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