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35
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JCT
2006
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JCT 2006
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On Rota's conjecture and excluded minors containing large projective geometries
13 years 11 months ago
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homepages.cwi.nl
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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IWPEC
2004
Springer
95
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Applied Computing
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IWPEC 2004
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On Decidability of MSO Theories of Representable Matroids
14 years 4 months ago
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www.fi.muni.cz
We show that, for every finite field , the class of all representable matroids of branch-width at most a constant t has a decidable MSO theory. In the other direction, we p...
Petr Hlinený, Detlef Seese
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