LANDSBERG, J. M. On degenerate secant and tangential varieties and local differential geometry LANGER, ANDREAS AND SHusI Saito. Torsion zero-cycles on the self- product of a modular elliptic curve Lepoux, M. AND D. Bakry. Sobolev inequalities and Myers’ diameter theorem for an abstract Lin, HuAXxIN, GeorGe A. ELLIoTT, GUIHUA GONG, AND CORNEL PASNICU. Abelian C*-subalgebras of C*-algebras of real rank zero and inductive limit C*-algebras LINDBLAD, HANS AND CHRISTOPHER SOGGE. Restrictions theorems and semilinear Klein-Gordon equations in (1 + 3)-dimensions LINUSSON, SVANTE AND KIMMO ERIKSSON. Combinatorics of Fulton’s essential set LOPEZ, RAPHAEL AND SEBASTIAN MONTIEL. Constant mean curvature surfaces with planar boundary MANIN, YU. AND K. BEHREND. Stacks of stable maps and Gromov-Witten invariants MIMACHI, KATSUHISA. A solution to quantum Knizhnik-Zamolodchikov equations and its application to eigenvalue problems of the Macdonald MONTIEL, SEBASTIAN AND RAPHAEL LOpEz. Constant mean curvature surfaces with planar boundary 583 Moore, JOHN DouGias. On extendability of isometric immersions of spheres 685 Ono, Kaoro. Lagrangian intersection under Legendrian deformations ... 209 PARIMALA, R. AND R. SUJATHA. Hasse principle for Witt groups of function fields with special reference to elliptic curves. Appendix by J.-L. Colliot-Théléne 555 PASNICU, CORNEL, GEORGE A. ELLIOTT, GUIHUA GONG, AND HUAXIN Lin. Abelian C*-subalgebras of C*-algebras of real rank zero and inductive limit C*-algebras S11 PINCHOVER, YEHUDA. On positivity, criticality, and the spectral radius of the shuttle operator for elliptic operators 431 PREVIATO, EMMA AND BERT VAN GEEMEN. On the Hitchin system 659 Propp, JAMES, HENRY COHN, AND NoaM ELkigs. Local statistics for random domino tilings of the Aztec diamond 117 Saito, SHUJI AND ANDREAS LANGER. Torsion zero-cycles on the self- product of a modular elliptic curve SCHOMERUS, VOLKER AND ANTON YU. ALEKSEEV. Representation theory of Chern-Simons observables SHEN, YING AND RUGANG YE. On stable minimal surfaces in manifolds of positive bi-Ricci curvatures SOGGE, CHRISTOPHER AND HANS LINDBLAD. Restrictions theorems and semilinear Klein-Gordon equations in (1 + 3)-dimensions STAVRAKAKIS, N. AND K. J. Brown. Global bifurcation results for a semilinear elliptic equation on all of R™ SUJATHA, R. AND R. PARIMALA. Hasse principle for Witt groups of function fields with special reference to elliptic curves. Appendix by J.-L. Colliot-Théléne VAN GEEMEN, BERT AND EMMA PREVIATO. On the Hitchin system VISTOLI, ANGELO AND SHUN-ICHI Kimura. Chow rings of infinite symmetric products Ye, RUGANG AND YING SHEN. On stable minimal surfaces in manifolds of positive bi-Ricci curvatures