Séminaire Lotharingien de Combinatoire

Issue 49

October 20 - 23, 2002, Haus Schönenberg, Ellwangen

Preface                         Photo Gallery

[B49a] Toufik Mansour and Julian West
Avoiding 2-letter Signed Patterns (11 pp.)
[B49b] Francesco Brenti (Expository Paper)
Kazhdan-Lusztig polynomials: History, Problems, and Combinatorial Invariance (30 pp.)
[B49c] Abdelmalek Abdesselam (Expository Paper)
Feynman Diagrams in Algebraic Combinatorics (45 pp.)
[B49d] Steen Ryom-Hansen
Littelmann's Refined Demazure Character Formula Revisited (10 pp.)
[B49e] Gérald Ksavrelof and Jiang Zeng
Two Involutions for Signed Excedance Numbers (8 pp.)
[B49f] Bernd Fiedler
On the Symmetry Classes of the First Covariant Derivatives of Tensor Fields (22 pp.)
[B49g] Roman König
Endliche Hüllensysteme und ihre Implikationenbasen (46 pp.)
[B49h] Emanuele Munarini and Norma Zagaglia Salvi
Binary Strings Without Zigzags (15 pp.)
[B49z] Pierre Auger, Gilbert Labelle and Pierre Leroux (Semi-expository Paper and Software Presentation)
Computing The Molecular Expansion Of Species With The Maple Package Devmol (34 pp.)