Survey and Review -- The work of Anthony Joseph in classical representation theory -- Quantized representation theory following Joseph -- Research Articles -- Opérateurs différentiels invariants et problème de Noether -- Langlands parameters for Heisenberg modules -- Instanton counting via affine Lie algebras II: From Whittaker vectors to the Seiberg-Witten prepotential -- Irreducibility of perfect representations of double affine Hecke algebras -- Algebraic groups over a 2-dimensional local field: Some further constructions -- Modules with a Demazure flag -- Microlocalization of ind-sheaves -- Endoscopic decomposition of certain depth zero representations -- Odd family algebras -- Gelfand-Zeitlin theory from the perspective of classical mechanics. I -- Extensions of algebraic groups -- Differential operators and cohomology groups on the basic affine space -- A q-analogue of an identity of N. Wallach -- Centralizers in the quantum plane algebra -- Centralizer construction of the Yangian of the queer Lie superalgebra -- Definitio nova algebroidis verticiani.