LIPIcs.STACS.2015.249.pdf
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Combinatorial Expressions and Lower Bounds
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32nd International Symposium on Theoretical Aspects of Computer Science (STACS 2015)
Series: Leibniz International Proceedings in Informatics (LIPIcs)
Conference: Symposium on Theoretical Aspects of Computer Science (STACS) - License:
Creative Commons Attribution 3.0 Unported license
- Publication Date: 2015-02-26
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Thomas Colcombet and Amaldev Manuel. Combinatorial Expressions and Lower Bounds. In 32nd International Symposium on Theoretical Aspects of Computer Science (STACS 2015). Leibniz International Proceedings in Informatics (LIPIcs), Volume 30, pp. 249-261, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2015)
https://doi.org/10.4230/LIPIcs.STACS.2015.249
https://doi.org/10.4230/LIPIcs.STACS.2015.249
Abstract
A new paradigm, called combinatorial expressions, for computing functions expressing properties over infinite domains is introduced. The main result is a generic technique, for showing indefinability of
certain functions by the expressions, which uses a result, namely Hales-Jewett theorem, from Ramsey theory. An application of the technique for proving inexpressibility results for logics on metafinite structures is given. Some extensions and normal forms are also presented.
Keywords
- expressions
- lower bound
- indefinability
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References
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