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» Branch-Width and Rota's Conjecture

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JCT
2002

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Branch-Width and Rota's Conjecture

13 years 5 months ago

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James F. Geelen, Geoffrey P. Whittle

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COMBINATORICS
2002

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On the Excluded Minors for Matroids of Branch-Width Three

13 years 5 months ago

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Knowing the excluded minors for a minor-closed matroid property provides a useful alternative characterization of that property. It has been shown in [R. Hall, J. Oxley, C. Semple...

Petr Hlinený

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JCT
2006

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On Rota's conjecture and excluded minors containing large projective geometries

13 years 5 months ago

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We prove that an excluded minor for the class of GF(q)-representable matroids cannot contain a large projective geometry over GF(q) as a minor.

James F. Geelen, Bert Gerards, Geoff Whittle

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