Abstract
We show that, for every finite field \(\mathbb F\), the class of all \(\mathbb F\)-representable matroids of branch-width at most a constant t has a decidable MSO theory. In the other direction, we prove that every class of \(\mathbb F\)-representable matroids with a decidable MSO theory must have uniformly bounded branch-width.
2000 Math subject classification: 03B25, 05B35, 68R05, 68R10, 03B15.
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Hliněný, P., Seese, D. (2004). On Decidability of MSO Theories of Representable Matroids. In: Downey, R., Fellows, M., Dehne, F. (eds) Parameterized and Exact Computation. IWPEC 2004. Lecture Notes in Computer Science, vol 3162. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-28639-4_9
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DOI: https://doi.org/10.1007/978-3-540-28639-4_9
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