Unitary representations of the 2-dimensional Euclidean group in the Heisenberg algebra

Unitary representations of the extended affine Lie algebra $\widetilde{\frak{gl}_{3}(\bc_q)}$

Unitary representations of the quantum "ax+b" group

Unitary representations of the quantum algebra su_q(2) on a real two-dimensional sphere for $q \in R^+$ or generic $q \in S^1$

Universal $q$-differential calculus and $q$-analog of homological algebra

Universal $R$--matrices for non-standard (1+1) quantum groups

Universal $R$-matrix for non-standard quantum $sl(2,\R)$

Universal Baxterization for $\mathbb{Z}$-graded Hopf algebras

Universal construction of W_{p,q} algebras

Universal coverings of Lie tori (A finite presentation)

Universal coverings of Steinberg Lie algebras of small characteristic

Universal Deformation Formulae for Three-Dimensional Solvable Lie groups

Universal Deformation Formulae, Symplectic Lie groups and Symmetric Spaces

Universal Enveloping Algebra and Differential Calculi on Orthogonal q-groups

Universal Enveloping Algebras of Braided m-Lie Algebras

Universal Enveloping Algebras of PBW Type

Universal KZB equations I: the elliptic case

Universal measuring coalgebras and R - transformation algebras

Universal R-matrices for finite Abelian groups -- a new look at graded multilinear algebra

Universal R-matrix for esoteric quantum group