Conference held Mar. 16-20, 1992 at Princeton University honoring Robert C. Gunning and Joseph J. Kohn.

Includes bibliographical references (p. 342).

On invariants of manifolds / Raoul Bott -- Remarks on analytic hypoellipticity of [symbol] / Michael Christ -- Finite type conditions and subelliptic estimates / John P. D'Angelo -- Characterization of certain holomorphic geodesic cycles on Hermitian locally symmetric manifolds of the non compact type / Philippe Eyssidieux and Ngaiming Mok -- On Kohn's microlocalization of [symbol] problems / Charles Fefferman -- Complex dynamics in higher dimension. II / John Erik Fornaess and Nessim Sibony -- Set theoretical real analytic spaces / Hans Grauert -- An isoperimetric estimate for the Ricci Flow on the two-sphere / Richard S. Hamilton -- Isoperimetric estimates for the curve shrinking flow in the plane / Richard S. Hamilton -- The Abel-Radon transform and several complex variables / G.M. Henkin -- On the absence of periodic points for the Ricci curvature operator acting on the space of KÌahler metrics / Alan M. Nadel -- The maximum principle and related topics / Louis Nirenberg -- Very ampleness criterion of double adjoints of ample line bundles / Yum-Tong Siu -- Integrability of elliptic overdetermined systems of nonlinear first-order complex PDE / François Treves -- The holomorphic contact geometry of a real hypersurface / S.M. Webster .