Abstract
The lecture has presented and compared several proofs of the fundamental Recognizability Theorem that relates the Monadic Second-order definability of a set of finite graphs or relational structures and its Recognizability, this notion being defined in terms of finite congruences and not in terms of automata.
Supported by the GRAAL project of ”Agence Nationale pour la Recherche”.
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Courcelle, B.: Graph structure and monadic second-order logic, book in preparation, To be published by Cambridge University Press, http://www.labri.fr/perso/courcell/Book/CourGGBook.pdf
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Makowsky, J.: Algorithmic uses of the Feferman-Vaught Theorem. Ann. Pure Appl. Logic 126, 159–213 (2004)
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Courcelle, B. (2009). On Several Proofs of the Recognizability Theorem. In: Bozapalidis, S., Rahonis, G. (eds) Algebraic Informatics. CAI 2009. Lecture Notes in Computer Science, vol 5725. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03564-7_4
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DOI: https://doi.org/10.1007/978-3-642-03564-7_4
Publisher Name: Springer, Berlin, Heidelberg
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