Table of Contents

Part 1: A proof of Jantzen conjectures by A. Beilinson and J. Bernstein String bases for quantum groups of type $A_r$ by A. Berenstein and A. Zelevinsky Limit distributions of orbits of unipotent flows and values of quadratic forms by S. G. Dani and G. A. Margulis Coinvariants of nilpotent subalgebras of the Virasoro algebra and partition identities by B. Feigin and E. Frenkel Induction and restriction of character sheaves by V. Ginzburg Explicit construction of characteristic classes by A. B. Goncharov The Riemann-Roch theorem for elliptic operators by M. Gromov and M. A. Shubin Part 2: Homotopy Lie algebras by V. Hinich and V. Schechtman Chow quotients of Grassmannians. I by M. M. Kapranov Reconstructing monoidal categories by D. Kazhdan and H. Wenzl Vassiliev's knot invariants by M. Kontsevich Kazhdan-Lusztig polynomials for Lie superalgebra $mathfrak {gl}(mvert n)$ by V. Serganova Hodge filtration of hypergeometric integrals associated with an affine configuration of general position and a local Torelli theorem by A. N. Varchenko The second Gelfand-Dickey bracket as a bracket on a Poisson-Lie Grassmannian by I. Zakharevich.