Geometry. (Q5916225)

Contributions: -- Vladimir S. Matveev, Proof of projective Lichnerowicz-Obata conjecture, p.2495 -- Ruth Kellerhals, On the structure of hyperbolic space forms, p.2497 -- Serge Tabachnikov (joint with M. Ghomi), Skew and totally skew embeddings and immersions, p.2499 -- Wolfgang Kühnel (joint with H.-B. Rademacher), Conformal geometry of gravitational plane waves, p.2501 -- Sergei V. Buyalo (joint with Victor Schroeder), Embedding and nonembedding results in asymptotic geometry, p.2503 -- Uwe Abresch (joint with Harold Rosenberg), Generalized Hopf differentials, p.2506 -- Wilderich Tuschmann (joint with Vitali Kapovitch and Anton Petrunin), Biquotients, curvature and homotopy type, p.2509 -- Iskander A. Taimanov, Tame and wild integrability, p.2512 -- John M. Sullivan (joint with Elizabeth Denne), Distortion of knotted curves, p.2515 -- Bruce Kleiner, Perelman's work on Ricci flow, p.2517 -- Juan Carlos Álvarez Paiva, Volumes on normed and Finsler spaces: Introduction and update, p.2518 -- Thomas Friedrich, Almost hermitian 6-manifolds and a generalization of Kirichenko's theorem, p.2521 -- Andreas Bernig, Curvature tensors of singular spaces, p.2523 -- Urs Lang (joint with Thilo Schlichenmaier), Nagata dimension, quasisymmetric embeddings, and Lipschitz extensions, p.2525 -- Robert Kusner (joint with Nick Korevaar and Jesse Ratzkin), On the nondegeneracy of constant mean curvature surfaces, p.2528 -- Thomas Püttmann (joint with U. Abresch, C. Duran, and A. Rigas), A geometric approach to exotic involutions in dimensions 5,6,13, and 14, p.2531 -- Christian Bär (joint with P. Gauduchon and A. Moroianu), Generalized cylinders and applications, p.2532