Finite Reductive Groups: Related Structures and Representations

q-Analogue of a Twisted Group Ring.- Formule des traces sur les corps finis.- Heights of Spin Characters in Characteristic 2.- Sur certains éléments réguliers des groupes de Weyl et les variétés de Deligne-Lusztig associées.- Local Methods for Blocks of Reductive Groups over a Finite Field.- Splitting Fields for Jordan Subgroups.- A Norm Map for Endomorphism Algebras of Gelfand-Graev Representations.- Modular Representations of Finite Groups of Lie Type in Non-Defining Characteristic.- Centers and Simple Modules for Iwahori-Hecke Algebras.- Quantum Groups, Hall Algebras and Quantized Shuffles.- Fourier Transforms, Nilpotent Orbits, Hall Polynomials and Green Functions.- Degrés relatifs des algèbres cyclotomiques associées aux groupes de réflexions complexes de dimension deux.- Character Values of Iwahori-Hecke Algebras of Type B.- The Center of a Block.- Unipotent Characters of Finite Classical Groups.- A propos d’une conjecture de Langlands modulaire.