N. LYGEROS
algebra, combinatorics, computer algebra, graph theory, number theory
The 3x + 1 Problem
10 consecutive primes in arithmetic progression
Computation of the number of partially ordered sets with 14 elements
Dyer's conjecture on Coxeter groups
Ecmnet
Erdös-Woods Project
Fermat Numbers Divisors
Mixed Models
Records in Combinatorics, Number Theory and Algebra
Talks
WWW : Number Theory Web, World Combinatorics Exchange, Graph Theory, Graph Theorists
Selected Publications
- Théorème de double inclusion sur les ensembles de Mandelbrot généralisés.
Eng. Theorem of double inclusion on generalized Mandelbrot sets.
Singularité, vol.1 n2 p.10-17, 4/1990. Zbl 0875.28006 - Itération des fonctions complexes z->z^m+c.
Eng. Iteration of complex functions z->z^m+c. Abstract.
C. R. Acad. Sci. Paris Sér. I Math. 311 (1990), no. 11, 689--690. 58F23 (30D05). Zbl 0721.30019, MR1081626 (91j:58137)
- Hypermandelbrot.
Eng. Hypermandelbrot.
Singularité, vol.1 n8 p.16-17, 12/1990. Zbl 0875.28007
- Sur une courbe continue de longueur finie non dérivable en une infinité dense de points.
Eng. On a continuous curve of finite length non derivable at an infinity of points.
Singularité, vol.2 n1 p.7-10, 1/1991. Zbl 0875.28008
- Calculs exhaustifs sur les posets d'au plus 7 éléments.
Eng. Exhaustive calculation of posets with at most 7 elements. Abstract.
Singularité, vol.2 n4 p.10-24, avril 1991. Zbl 0815.06003
- Mentalité fractale.
Eng. Fractal mentality.
Revue de l'IREM de Lyon n6 p.39-46, mai 1991.
- Exemple d'une courbe ni classique, ni fractale.
Eng. Example of a neither classic nor fractal curve. Abstract.
Gaz. Math. No. 49 (1991), 71--74. 28A75 (28A80). Zbl 0734.28009, MR1166079 (93c:28007)
- Sur la notion d'espacetemps fractal.
Eng. On the notion fractal space-time.
Singularité, vol.2 n6 p.7-12, 6/1991. Zbl 0875.28009
- Petits posets : dénombrement, représentabilité par cercles et compenseurs.
Eng. Small posets: enumeration, circle orders, and "compensors". Abstract.
C. R. Acad. Sci. Paris Sér. I Math. 313 (1991), no. 7, 417--420. 06A07 (05A15). Zbl 0741.06003, MR1127932 (93c:06006) (Roland Fraïssé)
- Unimodalité des petits posets.
Eng. Unimodality of small posets. Abstract.
Singularité, vol.2 n8 p.7-8, octobre 1991. Zbl 0815.06005 (Walied Hazim-Sharif)
- Prélude à DEMONSTRATION.
Eng. Prelude to DEMONSTRATION.
Singularité, vol.3 n1 p.8-11, 1/1992. Zbl 0825.11004
- DEMONSTRATION.
Eng. DEMONSTRATION.
Singularité, vol.3 n2 p.27-30, 2/1992. Zbl 0813.58039
- DEMONSTRATION et Empire Mathématique.
Eng. DEMONSTRATION and Mathematical Empire.
Singularité, vol.3 n3 p.17-22, 3/1992. Zbl 0815.06004
- Progrès dans l'énumération des posets.
Eng. Progress in the enumeration of posets. Abstract.
C. R. Acad. Sci. Paris Sér. I Math. 314 (1992), no. 10, 691--694. 06A07 (05A15). Zbl 0763.05007, MR1163858 (93b:06003) (Claude Chaunier)
- The number of orders with thirteen elements. Abstract.
Order 9 (1992), no. 3, 203--204. 06-04 (04A20 05A15 06A07). Zbl 0767.06004, MR1211373 (93m:06001) (Claude Chaunier)
- Le nombre de posets à isomorphie près ayant 12 éléments.
Eng. The number of posets up to isomorphism with 12 elements. Abstract.
Number theory, combinatorics and applications to computer science (Marseille, 1991).
Theoret. Comput. Sci. 123 (1994), no. 1, 89--94. 06A07 (05A15). Zbl 0791.06008, MR1257205 (94h:06006) (Claude Chaunier)
- Posets minimaux ayant un groupe d'automorphismes d'ordre premier.
Eng. Minimal posets having an automorphism group with prime order. Abstract.
C. R. Acad. Sci. Paris Sér. I Math. 318 (1994), no. 8, 695--698. 20B25 (05A15 06A07). Zbl 0801.06004, MR1272329 (95c:20005) (Claude Chaunier)
- Panorama : Fractals et Posets en Relativité.
Eng. Panorama : Fractals and Posets in Relativity. Abstract.
Ann. Fond. Louis de Broglie 19 (1994), no. 4, 273--290. 83A05 (83C27). MR1437875 (98a:83009)
- Construction de posets dont le groupe d'automorphismes est isomorphe à un groupe donné.
Eng. Construction of posets which automorphism group is isomorphic to a given group. Abstract.
C. R. Acad. Sci. Paris Sér. I Math. 322 (1996), no. 3, 203--206. 20F29 (06A06). Zbl 0844.20026, MR1378252 (96k:20070) (Michel Mizony)
- Sur la division euclidienne d'un nombre premier par son rang
Journée de Mathématiques Effectives en l'honneur des 65 de René Ouzilou.
Eng. On Euclidean division of a prime number by its rank. Abstract.
Pré-publication numéro 7 du Département de Mathématiques
de l'Université Jean Monnet, novembre 1998. (Michel Mizony, Paul Zimmermann)
- Réflexions méthodologiques en Calcul Formel.
Methodological Reflections in Computer Algebra. Abstract.
Repères, n34, p.13-28, janvier 1999. (Olivier Marguin, Michel Mizony)
- On minimal strings containing by decimation the elements of the symmetric group. Abstract.
Pré-publication numéro 98 du Département de Mathématiques
de l'Université Clermont I, décembre 2000. (Robert Erra, Nigel Stewart)
- On minimal strings containing by decimation the elements of the symmetric group. Abstract.
Discrete models: combinatorics, computation, and geometry (Paris, 2001),
165--176 (electronic), Discrete Math. Theor. Comput. Sci. Proc., AA,
Maison Inform. Math. Discrèt. (MIMD), Paris, 2001. 68R05 (05A05 68U05). Zbl 1013.68133, MR1888771 (2002m:68085) (Robert Erra, Nigel Stewart)
- Ten consecutive primes in arithmetic progression. Abstract.
Math. of Comp. 71 (2002), no. 239, 1323--1328 (electronic) 11N13 (11Y35) (Electronically
published on November 28, 2001.) Zbl 1001.11003, MR1898760 (2003d:11137) (Harvey Dubner, Tony Forbes, Michel
Mizony, Harry Nelson, Paul Zimmermann)
- Nouveaux progrès dans l'énumération des modèles mixtes.
Eng. New progress in enumeration of mixed models. Abstract. (Source.)
Knowledge discovery and discrete mathematics : JIM'2003. Proceedings
(2003) pp 243--246. (Roman Bayon, Jean-Sébastien Sereni)
- Enumeration and 3D-representation of the Stereo-isomers of Paraffinic Molecules. (Abstract.)
Journal of Symbolic Computation 40 (2005), no. 4-5, 1225--1241. 92E20 (68W30 81V55) (Paul-Valère Marchand, Marc Massot) - Enumeration and symmetries of the stereo-isomers of alkane Molecules. Abstract.
Computers Chem. (Denis Guillaume, Paul-Valère Marchand, Marc Massot, Daniel Schweich)
Journal of symbolic computation, ISSN 0747-7171, Vol. 40, Nº 4, 2005 , pags. 1225-1241. DIALNET.UNIRIOJA.ES
- New progress in enumeration of mixed models. Abstract. (Source.)
Applied Mathematics E-Notes, 5:60--65 (electronic), 2005 62J12 (06A07 62J10). Zbl 1060.62074, MR2112159 (2005j:62151) (Roman Bayon, Jean-Sébastien Sereni) - Les hypergroupes d'ordre 3. Abstract.
Italian Journal of Pure and Applied Mathematics N 20 2006 p223-236. (Roman Bayon)
- An Hv-interview, i.e. weak with Th. Vougiouklis.
Structure elements of hyper-structures, 65--79, Spanidis, Xanthi, 2005. 01A70. MR2149774
- Catégories spécifiques d'hypergroupes d'ordre 3.
Structure elements of hyper-structures, 17--33, Spanidis, Xanthi, 2005. 20N20 (06A11). Zbl 1077.20077, MR2149770 (2006d:20127) (Roman Bayon)
- Les hypergroupes abéliens d'ordre 4.
Structure elements of hyper-structures, 35--39, Spanidis, Xanthi, 2005. 20N20. Zbl 1074.20042, MR2149771 (Roman Bayon)
- Structure elements of hyper-structures.
Proceedings of the meeting held at Democritus University of Thrace, Alexandroupolis, March 21, 2005. Edited by N. Lygeros and Th. Vougiouklis. Spanidis Press, Xanthi, 2005. iv+121 pp. ISBN: 960-88078-7-5 20-06. Zbl 1064.20001, MR2143089 (2006a:20003)
- Adaptive Encryption Protocols.
WSEAS Transactions on Communications. Issue 8, Volume 4, August 2005. (Y. Bakopoulos and A. Drigas)
- Efficient cryptography.
Informatics. Quartely publication of the Cyprus Computer Society. pages 20-21, volume 11, 06/2005
- The Hv-groups and Marty-Moufang Hypergroups.
Proceedings of First International Conference on Algebraic Informatics,
Aristotle University of Thessaloniki (285--294), 20 au 23 octobre 2005. MR2186470 (Roman Bayon)
- Algebraic Computation on posets of hypergroups and Hv-groups. (Roman Bayon)
Proceeding on the 6th panhellenic conference in algebra and number theory.
Aristotle University of Thessaloniki. June 10-11, 2006.
- Orders with ten elements are circle orders. Abstract. (Source.)
Applied Mathematics E-Notes, 7(2007), 16-22 (electronic). 06A06, 05C85, 68-04. (Roman Bayon, Jean-Sébastien Sereni)
- Les hypergroupes et Hv-groupes d'ordre 3.
Bulletin of Greek Mathematical Society. (Roman Bayon)
- Calculs algébriques sur les posets des hypergroupes et des Hv-groupes. (Roman Bayon)
- Advanced Results in Enumeration of Hyperstructures.
Journal of Algebra (Computational Algebra) 20N20 06A11. (Roman Bayon)
Vol 320/2 (2008) pp 821-835.
- The Hyperrings of Order 3.
Journal of Integer Sequences 20N20. (Roman Bayon)
Vol 11 (2008)
- Problème de Collatz étendu sur les réels, comportement asymptotique et paramétrisation.
Collatz problem extended to the real line,
asymptotic behaviour and parametrization.
(Olivier Rozier)
- Νέα υπολογιστικά αποτελέσματα στη θεωρία somas του Καραθεοδωρή. Κ. Καραθεοδωρή, Σεπτέμβριος - Οκτώβριος 2009. (R. Bayon)
- A New Solution to the Equation τ(p) ≡ 0 (mod p). Journal of Integer Sequences, Vol. 13 (2010), Article 10.7.4. (avec O. Rozier). - Pdf.
Referee
Journals
Annales de la Fondation Louis de Broglie.
Journal of Integer Sequences.
Congresses
Structure elements of hyper-structures 2005.
First International Conference on Algebraic Informatics 2005.
Editor
Structure elements of hyper-structures 2005.