Pure and Applied Mathematics A Series of Monographs and Textbooks Editors Samuel Eilenberg and Hyrnan Baas Columbia University, New York RECENT TITLES GLEN E. BREDON. Introduction to Compact Transformation Groups WERNER GREUB, STEPHEN HALPERIN, AND RAY VAN STONE. Connections, Curvature, and Cohomology: Volume I, De Rham Cohomology of Manifolds and Vector Bundles. Vol- ume II, Lie Groups, Principal Bundles, and Characteristic Classes. In preparation: Volume III, Cohomology of Principal Bundles and Homogeneous Spaces XIA DAO-XING. Measure and Integration Theory of Infmite-rDimensional Spaces: Abstract Harmonic Analysis RONALD G. DOUGLAS. Banach Algebra Techniques in Operator Theory WILLARD MILLER, JR. Symmetry Groups and Their Applications ARTHUR A. SAGLE AND RALPH E. WALDE. Introduction to Lie Groups and Lie Algebras T. BENNY RUSHING. Topological Embeddings JAMES W. VICK. Honiology Theory : An Introduction to Algebraic Topology E. R. KOLCHIN. Differential Algebra and Algebraic Groups GERALD J. JANUSZ. Algebraic Number Fields A. S. B. HOLLAND. Introduction to the Theory of Entire Functions WAYNE ROBERTS AND DALE VARBERG. Convex Functions A. M. OSTROWSKI. Solution of Equations in Euclidean and Banach Spaces, Third Edition of Solution of Equations and Systems of Equations H. M. EDWARDS. Riemaim's Zeta Function SAMUEL EILENBERG. Automata, Languages, and Machines: Volume A. In preparation: Volume B MORRIS HIRSCH AND STEPHEN SMALE. Differential Equations, Dynamical Systems, and Linear Algebra WILHELM MAGNUS. Noneuclidean Tesselations and Their Groups J. DIEUDONNE. Treatise on Analysis, Volume IV In preparation FRANCOIS TREVES. Basic Linear Partial Differential Equations WILLIAM M. BOOTHBY. An Introduction to Differentiable Manifolds and Riemannian Geometry BRAYTON GRAY. Homotopy Theory : An Introduction to Algebraic Topology ROBERT A. ADAMS. Sobolev Spaces D. V. WIDDER. The Heat Equation IRVING E. SEGAL, Mathematical Cosmology and Extragalactic Astronomy on tensor,