Volume 7, Number 4

Jürgen Jost and S.-T. Yau; Harmonic maps and rigidity theorems for spaces of nonpositive curvature

Richard Hamilton; Non-singular solutions of the Ricci flow on three-manifolds

Levi Lopes de Lima and José Fabio Montenegro; Classification of solitons for the affine curvature flow

Fangyang Zheng; Hirzebruch-Kato surfaces, Deligne-Mostow's construction, and new examples of negatively curved compact Kähler surfaces

Peng Lu; Kähler-Einstein metrics on Kummer threefold and special Lagrangian tori

Gloria Marí-Beffa and Peter J. Olver; Differential invariants for parametrized projective surfaces

Igor Prokhorenkov; Morse-Bott functions and the Witten laplacian