Algebraic groups. (Q1779199)

Contributions: -- Peter Littelmann (joint with S. Gaussent), LS-galleries, the path model and MV-cycles. p.637 -- Corrado De Concini (joint with Procesi, Reshetikhin, Rosso), Algebras with trace and Clebsch-Gordan coefficients for quantum groups. p.638 -- Andrea Maffei (joint with R. Chirivì), Projective normality of complete symmetric varieties. p.640 -- Gerhard Röhrle (joint with M. Bate and B. Martin), Complete reducibility and strong reductivity. p.641 -- Dmitri A. Timashev (joint with I. V. Arzhantsev), On the canonical embeddings of certain homogeneous spaces. p.643 -- Raphaël Rouquier (joint with J. Chuang), Categorification of Weyl groups and Lie algebras. p.645 -- Roman Bezrukavnikov (joint with D. Kaledin), McKay equivalence for symplectic quotient singularities. p.646 -- Victor Ginzburg (joint with R. Bezrukavnikov, M. Finkelberg), Cherednik algebras and Hilbert schemes in characteristic \(p\). p.648 -- Boris Kunyavskii (joint with M. Borovoi), Arithmetic birational invariants of linear algebraic groups over some geometric fields. p.648 -- Philippe Gille, A non rational group variety of type \(E_6\). p.649 -- Emmanuel Peyre (joint with A. Chamber-Loir), Rational points and curves on flag varieties. p.650 -- Jochen Kuttler (joint with J. B. Carrell), Tangent cones to Schubert varieties. p.654 -- Tom Braden, Torsion in intersection cohomology of Schubert varieties. p.655 -- Eric Sommers, Normality of nilpotent varieties. p.656 -- V. Lakshmibai (joint with V. Kreiman, P. Magyar, and J. Weyman), Standard monomial basis for nilpotent orbit closures. p.657 -- Vikram Mehta (joint with V. Balaji), Singularities of moduli spaces of vector bundles in char. 0 and char. \(p\). 660 -- J. Hausen, Good quotients for reductive group actions. p.660 -- Harm Derksen, Universal denominators of invariant rings. p.664 -- Anders S. Buch, Alternating signs of quiver coefficients. p.664 -- Jean-Pierre Serre, On the values of the characters of compact Lie groups. p.666.