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Academic literature on the topic 'Semigroupes finis'
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Journal articles on the topic "Semigroupes finis"
TRAHTMAN, A. N. "A POLYNOMIAL TIME ALGORITHM FOR LOCAL TESTABILITY AND ITS LEVEL." International Journal of Algebra and Computation 09, no. 01 (February 1999): 31–39. http://dx.doi.org/10.1142/s0218196799000035.
Full textBanakh, Taras O., and Volodymyr M. Gavrylkiv. "On structure of the semigroups of k-linked upfamilies on groups." Asian-European Journal of Mathematics 10, no. 04 (October 30, 2017): 1750083. http://dx.doi.org/10.1142/s1793557117500838.
Full textSolomatin, D. V. "About the finiteness of planarity ranks of semigroups varieties." Herald of Omsk University 27, no. 2 (2022): 17–24. http://dx.doi.org/10.24147/1812-3996.2022.27(2).17-24.
Full textJacques, Matthew, and Ian Short. "Semigroups of Isometries of the Hyperbolic Plane." International Mathematics Research Notices, December 9, 2020. http://dx.doi.org/10.1093/imrn/rnaa291.
Full textUstymenko, Vasyl. "On Inverse Protocols of Post Quantum Cryptography Based on Pairs of Noncommutative Multivariate Platforms Used in Tandem." Theoretical and Applied Cybersecurity 5, no. 2 (November 6, 2023). http://dx.doi.org/10.20535/tacs.2664-29132023.2.290413.
Full textSobrado Suárez, Fredy Maglorio, Lesly Daiana Barbosa Sobrado, Gabriel Lucas Lacerda de Araujo, and Filomena Barbosa Rodrigues Mendes. "Stability and regularity for double wall carbon nanotubes modeled as Timoshenko beams with thermoelastic effects and intermediate damping." Mathematical Methods in the Applied Sciences, April 20, 2024. http://dx.doi.org/10.1002/mma.10116.
Full textDissertations / Theses on the topic "Semigroupes finis"
Zeitoun, Marc. "Opérations implicites et variétés de semi-groupes finis." Paris 7, 1993. http://www.theses.fr/1993PA077221.
Full textCRUZ, DA COSTA JOSE CARLOS. "Quelques intersections de varietes de semigroupes finis et de varietes de langages, operations implicites." Paris 6, 1998. http://www.theses.fr/1998PA066H53.
Full textBarloy, Corentin. "On the complexity of regular languages." Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILB012.
Full textRegular languages, languages computed by finite automata, are among the simplest objects in theoretical computer science. This thesis explores several computation models: parallel computing with Boolean circuits, structured document streaming processing, and information maintenance on a structure subject to incremental updates. For the latter, auxiliary structures are either stored in RAM or represented by databases updated by logical formulae.This thesis investigates the resources required to compute classes of regular languages in each of these models. The methods employed rely on the interaction between algebra, logic, and combinatorics, notably exploiting the theory of finite semigroups. This approach of complexity has proven extremely fruitful, particularly in the context of Boolean circuits, where regular languages play a central role. This research angle was crystallised by Howard Straubing in his book "Finite Automata, Formal Logic, and Circuit Complexity", where he conjectured that any regular language definable by an arbitrary formula from a logic fragment can be rewritten to use only simple, regular predicates.The first objective of this manuscript is to prove this conjecture in the case of the Sigma2 fragment of first-order logic with a single alternation of quantification. A second result provides a description of space complexity, in the streaming model, for verifying regular properties on trees. Special attention is given to properties verifiable in constant and logarithmic space. A third objective is to describe all regular tree languages that can be incrementally maintained in constant time in RAM. Finally, a last part focuses on the development of efficient logical formulae for maintaining all regular languages in the relational model
Godin, Thibault. "Machines de Mealy, (semi-)groupes d'automate, problèmes de décision et génération aléatoire." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCC172/document.
Full textIn this thesis, we study Mealy automata, i.e. complete, deterministic, letter-to-letter transducers which have same input and output alphabet. These automata have been used since the 60s to generate (semi)groups that sometimes have remarkable properties, that were used to solve several open problems in (semi)group theory. In this work, we focus more specifically on the possible contributions that theoretical computer science can bring to the study of these automaton (semi)groups.The thesis consists of two main axis. The first one, which corresponds to the Chapters II and III, deals with decision problems and more precisely with the Burnside problem in Chapter II and with singular points in Chapter III. In these two chapters, we link structural properties of the automaton with properties of the generated group or of its action. The second axis, which comprises the Chapter IV, is related with random generation of finite groups. We seek, by drawing random Mealy automata in specific classes, to generate finite groups, and obtain a convergence result for the obtained distribution. This result echoes Dixon's theorem on random permutation groups
Karami, Fahd. "Limite singulière de quelques problèmes de Réaction Diffusion: Analyse mathématique et numérique." Phd thesis, Université de Picardie Jules Verne, 2007. http://tel.archives-ouvertes.fr/tel-00180724.
Full textLi, Xiaodong. "Observation et commande de quelques systèmes à paramètres distribués." Phd thesis, Université Claude Bernard - Lyon I, 2009. http://tel.archives-ouvertes.fr/tel-00456850.
Full textKarimou, Gazibo Mohamed. "Etudes mathématiques et numériques des problèmes paraboliques avec des conditions aux limites." Phd thesis, Université de Franche-Comté, 2013. http://tel.archives-ouvertes.fr/tel-00950759.
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