pp 1-9 February 1981

On some problems in singularity theory

V Arnold

pp 11-20 February 1981

Yang-Mills and bundles over algebraic curves

M F Atiyah R Bott

pp 21-27 February 1981

Vanishing theorems for square-integrable harmonic forms

Jozef Dodziuk

pp 29-32 February 1981

On operators of trace class inL² (X, μ)

J J Duistermaat

pp 33-45 February 1981

Deformations of metrics and associated harmonic maps

J Eells L Lemaire

pp 47-79 February 1981

Curvature and the heat equation for the de Rham complex

Peter B Gilkey