Nombre de documents


Mes articles

Article dans une revue22 documents

  • Roland Bacher, Pierre De La Harpe. CONJUGACY GROWTH SERIES OF SOME INFINITELY GENERATED GROUPS. International Mathematics Research Notices, Oxford University Press (OUP), 2016, pp.1-53. 〈hal-01285685v2〉
  • Roland Bacher, Christophe Reutenauer. Number of right ideals and a $q$-analogue of indecomposable permutations. Canadian Journal of Mathematics, University of Toronto Press, 2016, 68, pp.481-503. 〈hal-01223143〉
  • Roland Bacher. Construction of some perfect integral lattices with minimum 4. Journal de Théorie des Nombres de Bordeaux, Société Arithmétique de Bordeaux, 2015, 27 (3). 〈hal-00931612v2〉
  • Roland Bacher. Counting invertible Schr\"odinger Operators over Finite Fields for Trees, Cycles and Complete Graphs. Electronic Journal of Combinatorics, Electronic Journal of Combinatorics, 2015, 22 (4). 〈hal-01025881v4〉
  • Roland Bacher. On geodesics of phyllotaxis. Confluentes Mathematici, Institut Camille Jordan et Unité de Mathématiques Pures et Appliquées, 2014, 6 (1), pp.3-27. 〈hal-00782907v2〉
  • Roland Bacher. Prüfer codes for hypertrees. The Australasian Journal of Combinatorics, Combinatorial Mathematics Society of Australasia (Inc.), 2014, 60, pp.109-127. 〈hal-00776624〉
  • Roland Bacher. Counting packings of generic subsets in finite groups. Electronic Journal of Combinatorics, 2012, 19 (3), pp.#P7. 〈hal-00531684v3〉
  • Roland Bacher, Christian Krattenthaler. Chromatic statistics for triangulations and Fu{ß}-Catalan complexes. Electronic Journal of Combinatorics, 2011, 18, pp.#P152. 〈hal-00612650〉
  • Roland Bacher. Universal convex coverings. Bulletin of the London Mathematical Society / The Bulletin of the London Mathematical Society, 2010, 41 (6), pp.987-992. 〈hal-00347942v3〉
  • Roland Bacher. On exponentials of exponential generating series. Algebra & Number Theory, 2010, 4 (7), pp.919-942. 〈hal-00292997v4〉
  • Roland Bacher, Philippe Flajolet. Pseudo-factorials, elliptic functions, and continued fractions. Ramanujan Journal, Springer Verlag, 2010, 21 (1), pp.71 - 97. 〈10.1007/s11139-009-9186-9〉. 〈hal-01614261〉
  • Roland Bacher, Shalom Eliahou. Extremal binary matrices without constant 2-squares. Electronic Journal of Combinatorics, Electronic Journal of Combinatorics, 2010, 1 (1), pp.77 - 100. 〈10.4310/JOC.2010.v1.n1.a6〉. 〈hal-01614251〉
  • Roland Bacher. Comment empoisonner efficacement tous les grands rats. Images des Mathématiques, CNRS, 2009, 〈hal-00586261〉
  • Roland Bacher. A new inequality for the Hermite constants. International Journal of Number Theory, World Scientific Publishing, 2008, 4 (3), pp.363-386. 〈hal-00021286v2〉
  • Roland Bacher. Determinants related to Dirichlet characters modulo 2, 4 and 8 of binomial coefficients and the algebra of recurrence matrices. International Journal of Algebra and Computation, World Scientific Publishing, 2008, 18 (3), pp.535-566. 〈hal-00166861v3〉
  • Roland Bacher, David Garber. Spindle configurations of skew lines. Geometry and Topology, Mathematical Sciences Publishers, 2007, 11, pp.1049-1081. 〈hal-00012435〉
  • Roland Bacher. La suite de Thue-Morse et la catégorie Rec. Comptes rendus hebdomadaires des séances de l'Académie des sciences, Elsevier, 2006, 342, pp.161-164. 〈hal-00136637〉
  • Roland Bacher, Bodo Lass. Développements limités et réversion des séries. L'Enseignement Mathématique, 2006, 52, pp.267-293. 〈hal-00004212v2〉
  • Roland Bacher, Robin Chapman. Symmetric Pascal matrices modulo p. European Journal of Combinatorics, Elsevier, 2004, 4, pp.459-473. 〈hal-00012437〉
  • Roland Bacher. Le cocycle du verger. Comptes Rendus Mathématique, Elsevier Masson, 2004, 338 (3), pp.187-190. 〈hal-00000916〉
  • Roland Bacher. $\hbox{SL}_2(k)$ and a Subset of Words over $k$. Europeean Journal of Combinatorics, 2002, 23, pp.141-147. 〈hal-00136617〉
  • Roland Bacher, Laurent Manivel. Hooks and powers of parts in partitions. Seminaire Lotharingien de Combinatoire, Université Louis Pasteur, 2002, 47, pp.11. 〈hal-00012431〉

Chapitre d'ouvrage1 document

  • Roland Bacher, Christophe Reutenauer. The number of right ideals of given codimension over a finite field. . Noncommutative birational geometry, representations and combinatorics. Proceedings of the AMS special session on noncommutative birational geometry, representations and cluster algebras, Boston, MA, USA, January 6–7, 2012, 592, pp.1-18, 2013, Contemporary Mathematics. 〈hal-01614238〉

Pré-publication, Document de travail27 documents

  • Roland Bacher. The Stern Sequence and Moments of Minkowski's Question Mark Function. IF_PREPUB. 2017. 〈hal-01490725〉
  • Roland Bacher. On the number of perfect lattices. IF_PREPUB. 2017. 〈hal-01503749v3〉
  • Roland Bacher. The Ring of Support-Classes of $\mathrm{SL}_2(\mathbb F_q)$ . IF_PREPUB. 2015. 〈hal-01159898〉
  • Roland Bacher. Chebyshev polynomials, quadratic surds and a variation of Pascal's triangle. IF_PREPUB. 2015. 〈hal-01206138〉
  • Roland Bacher. An easy upper bound for Ramsey numbers. IF_PREPUB. This paper contains no new results but presents a slight simplification of the standard proof by .. 2012. 〈hal-00763927〉
  • Roland Bacher. On the enumeration of labelled hypertrees and of labelled bipartite trees. IF_PREPUB. The main result is not new (thanks to Ira Gessel for the information). The proof seems to be diff.. 2011. 〈hal-00565257v3〉
  • Roland Bacher, Frédéric Mouton. Triangulations of nearly convex polygons. IF_PREPUB. 2010. 〈hal-00545394〉
  • Roland Bacher. Twisting the Stern sequence. IF_PREPUB. 2010. 〈hal-00466426v2〉
  • Roland Bacher. The special subgroup of invertible non-commutative rational power series as a metric group. IF_PREPUB. 41 pages. 2008. 〈hal-00270911v2〉
  • Roland Bacher. On a family of tridiagonal matrices. IF_PREPUB. 2008. 〈hal-00319587〉
  • Roland Bacher. On polytopes associated to factorisations of prime-powers. IF_PREPUB. 13 pages. 2008. 〈hal-00330028〉
  • Roland Bacher. Arithmetic properties related to the shuffle-product. IF_PREPUB. 20 pages, contains experimental data. 2007. 〈hal-00149241v2〉
  • Roland Bacher. Fair Triangulations. IF_PREPUB. 23 pages. 2007. 〈hal-00176609〉
  • Roland Bacher. La factorisation de $x^{p^l}-x\in{\mathbb F}_p[x]$ selon la trace. IF_PREPUB. 6 pages. 2006. 〈hal-00086129〉
  • Roland Bacher. Sur le groupe d'interpolation. IF_PREPUB. 40 pages, in french, some improvements and new chapter on "Riordan matrices" added. 2006. 〈hal-00101349v3〉
  • Roland Bacher. Recurrence matrices. IF_PREPUB. 80 pages, examples and complements adjoined, some clarifications and small improvements. 2006. 〈hal-00016979v2〉
  • Roland Bacher. On Minkowksi's bound for lattice-packings. IF_PREPUB. Prepublication 650 de l'Institut Fourier. 2004. 〈hal-00002737〉
  • Roland Bacher. On generating series of complementary planar trees. IF_PREPUB. 27 pages, 2 figures, contains a discussion of Loday's example (i) (math.CO/0403316, v1). Preprint.. 2004. 〈hal-00002767〉
  • Roland Bacher. Paperfolding and Catalan numbers. IF_PREPUB. 2004. 〈hal-00002104〉
  • Roland Bacher. Counting Triangulations of Configurations. IF_PREPUB. 2003. 〈hal-00000728v2〉
  • Roland Bacher. Développements limités et la transformée inverse. IF_PREPUB. 6 pages, french. 2003. 〈hal-00012434〉
  • Roland Bacher. The Orchard relation of a generic symmetric or antisymmetric function. IF_PREPUB. 2003. 〈hal-00000317〉
  • Roland Bacher. The Orchard Morphism. IF_PREPUB. Introduction rewritten. 2003. 〈hal-00000576v2〉
  • Roland Bacher. An Orchard Theorem. IF_PREPUB. New material added, 14 pages, 6 figures. 2002. 〈hal-00012433〉
  • Roland Bacher, David Garber. Chromatic properties of generic planar configurations of points. IF_PREPUB. 19 pages, 15 figures, 3 tables. 2002. 〈hal-00012436〉
  • Roland Bacher. Matrices autosimilaires. IF_PREPUB. 9 pages, no figures, french. 2002. 〈hal-00012438〉
  • Roland Bacher. Matrices related to the Pascal triangle. IF_PREPUB. 24 pages, major changes in section 1, minor changes in section 5, added references. 2001. 〈hal-00012432〉