Issue 1

- Uniqueness of the Cauchy Problem for a Class of Partial Differential Equations with Double Characteristics by and A. Menikoff
- Sample Path Convergence of Stable Markov Processes II by and Robert Sine
- Levy Processes with a Nowhere Dense Range by and Harry Kesten
- Fundamental Groups of Plane Curves and Their Duals by and Harold Abelson
- Gaussian Sums over GL(2, Z/N) and Hecke Operators II by and Roy Fuller
- Weakly Convergent Sequences in L_{\infty} by and Surjit Khurana
- On the Holder Continuity of Multiple Valued Harmonic Functions by and Luis Caffarelli
- A Remarkable Inequality and the Uniform Convergence of Fourier Series by and Adriano Garsia

- The Shape and Smoothness of the Free Boundary for Some Elliptic Variational Inequalities by and Avner Friedman
- Characterization of C^n-Operators by and Shmuel Kantorovitz
- Adams Type Spectral Sequences and Stable Homotopy Modules by and T. Lin
- Spaces of Harmonic Functions Representable by Poisson Integrals of Functions in BMO and L_{p, \lambda} by E. Fabes, R. Johnson, and U. Neri
- A Strong Continuity Theorem for a Class of Semigroups of Type \Gamma, with an Application to Martingales by and Walter Rosenkrantz
- Nonlinear Ordinary and Functional Sturm-Liouville Problems by H. Kuiper, and W. Derrick
- On the Spectra of Almost Periodic Functions by Louis Pigno, and Sadahiro Saeki
- The Free Boundary Determined by the Solution to a Differential Equation by and David Kinderlehrer

- The Representation of Monotonous Processes by Exponentials by and Walter Noll
- L^p-Isometries and Equimeasurability by and Walter Rudin
- Principal Ideals of Compact Operators by and Allen Schweinsberg
- An Operator Valued Yeh-Wiener Integral, and a Wiener Integral Equation by R. Cameron, and D. Storvick
- Positive Solutions of Convex Nonlinear Eigenvalue Problems by Herbert Amann, and Theodore Laetsch
- Equivariant Embeddings of Riemannian Homogeneous Spaces by and John Moore
- The Initial Value Problem for Surface Waves under Gravity, I: The Simplest Case by and Marvin Shinbrot
- Erratum: Nerve Axon Equations: II Stability at Rest, Vol. 22 (1972), 25-90 by and John Evans
- Errata: Nerve Axon Equations: III Stability of the Nerve Impulse, Vol. 22 (1972), 577-593 by and John Evans

- On the C-Algebras of Operator Fields by and Ru-Ying Lee
- Infinite Dimensional Versions of a Theorem of Brickman-Fillmore by R. Douglas, and C. Foiacs
- Higher Order Differences and Differentials for Functions in Sobolev Spaces by and Moshe Marcus
- On Fuchsian Groups of Convergence Type Containing Elliptic Elements by Thomas Metzger, and K. Rajeswara Rao
- A Krawtchouk Polynomial Addition Theorem and Wreath Products of Symmetric Groups by and Charles Dunkl
- An Asymmetric Putnam-Fuglede Theorem for Dominant Operators by Joseph Stampfli, and Bhushan Wadhwa
- Diffusions with Second Order Boundary Conditions, Part I by and R. Anderson

- A Note on Shocks in Nonlinear Similarity Fields by Nima Geffen, and Levi Lustman
- Diffusions with Second Order Boundary Conditions, Part II by and R. Anderson
- Invariance Principle for Scattering with Long-Range (and other) Potentials by Colston Chandler, and A. Gibson
- On the Solvability of Nonlinear Elliptic Boundary Value Problems by and Peter Hess
- Absolute Summability of Fourier Transforms on R^n by and W. Madych
- Equivariant Function Spaces and Stable Homotopy Theory II by J. Becker, and R. Schultz

- A Stacking Method in Ergodic Theory by Donald Quiring, and Richard Turek
- Nearly Hamiltonian Systems in Nonlinear Mechanics: Averaging and Energy Methods by and James Murdock
- Weak Steepest Descent for Linear Boundary Value Problems by and John Locker
- Sturm-Liouville Theory via Nonstandard Analysis by and Alan Macdonald
- Total Positivity of the Spline Collocation Matrix by and Carl de Boor
- On Invariant Subspaces of Operators without Multiplicity by and Douglas Clark
- Some Examples in the Theory of P-Completions by Victor Belfi, and Clarence Wilkerson
- A Problem in Hydraulics with Non-Monotone Free Boundary by and Avner Friedman
- Erratum: Toward a Spectral Characterization of the Set of Norm Limits of Nilpotent Operators, Vol. 24 (1975), 847-864 by and Domingo Herrero

- On the Theta-Operator for Automorphic Forms of Weight 1 by and Ch. Pommerenke
- Function-Space Differential Equations Associated with a Stochastic Partial Differential Equation by and Pao-Liu Chow
- On a Theorem of Titchmarsh-Kodaira-Weidmann Concerning Absolutely Continuous Operators II by and P. Rejto
- Some Function-Theoretic Properties of Complete Riemannian Manifold and Their Applications to Geometry by and Shing-Tung Yau
- Energy Boundedness and Decay of Waves Reflecting off a Moving Obstacle by Jeffery Cooper, and Walter Strauss
- The L^2 Behavior of Eigenfunction Expansions by and Harold Benzinger
- Ascent, Descent, Nullity and Defect of Products of Operators by J. Buoni, and J. Faires
- The Maximum Modulus Principle, I. Necessary Conditions by David Ellis, C. Hill, and Chester Seabury

- Lyapounov Convexity Theorem and Riemann-Type Integrals by and Zvi Artstein
- On the Obstruction P(F, f) to the Product Theorems of Fiber-Preserving Maps by Soon-Kyu Kim, Dennis McGavran, and Jingyal Pak
- L_p Saturation and Inverse Theorems for Modified Bernstein Polynomials by Z. Ditzian, and C. May
- Eigendistribution Expansions on Heisenberg Groups by Linda Rothschild, and Joseph Wolf
- A Quasi-Anosov Flow that is not Anosov by and Clark Robinson
- On Algebraic Multiplicity by and Karl Gustafson
- Asymptotic Behavior of C_0 Semi-Groups as Determined by the Spectrum of the Generator by and Marshall Slemrod
- The Commutant of a Class of Analytic Toeplitz Operators II by and James Thomson
- Extensions of Fibrations by I. Halbhavi, and K. Varadarajan
- Parabolic Boundary Layers by and Charles Holland

- Interior Gradient Bounds for Non-Uniformly Elliptic Equations by and Leon Simon
- On Derivation Ranges by Constantin Apostol, and Joseph Stampfli
- The Area Formula for Sobolev Mappings by Casper Goffman, and Fon-Che Liu
- Daniell Construction for an H-Algebra Valued Measure by and Parfeny Saworotnow
- A Differential Fundamental Theorem of Algebra by and Robert West
- Spectral Properties of an Acoustic Boundary Condition by and J. Beale
- Erratum: Cardinal Spline Interpolation Operators on l^p Data, Vol. 24 (1975), 677-689 by M. Marsden, F. Richards, and S. Riemenschneider

- On B(X, K)-Valued Stationary Stochastic Processes by and A. Miamee
- Elementary Critical Point theory and Perturbations of Elliptic Boundary Value Problems at Resonance by S. Ahmad, A. Lazer, and J. Paul
- R-Operators I. Representation Theory and Applications by G. Allen, and F. Narcowich
- An Immersed Polyhedral Surface which Flexes by and Robert Connelly
- The Location of the Spectrum for the Dissipative Acoustic Operator by and Andrew Majda
- Torsion in Manifolds and the Semicharacteristic by and R. Stong
- p-Sidon Sets and a Uniform Property by and Gordon Woodward
- Non-Existence of Solutions to the Cauchy Problem for first Order Partial Differential Equations by and Geraldine Taiani

- Construction of the Scattering Operator for Abstract Nonlinear Wave Equations by and Michael Reed
- On the operator equation HT + TH = 2K by and Gert Pedersen
- Banach Algebra of Conservative Hausdorff Matrices by and N. Sharma
- Diffeomorphisms with Convergent Iterates by and L. Husch
- The Initial Value Problem for Surface Waves under Gravity, II. The Simplest 3-Dimensional Case by John Reeder, and Marvin Shinbrot
- A Note on Hilbert Spaces of Factorial Series by and Kenneth Klopfenstein
- Stability of Solutions of Mildly Nonlinear Elliptic Problems by and Michael Steuerwalt

- Perturbation of the Laplacian by Coulomb Like Potentials by and J. Guillot
- On the Range of Operator Equations with an Asymptotically Nonlinear Term by and E. Podolak
- A Remark on the Residue Theorem of Bott by and James Heitsch
- A Variational Theorem for Nonlinear Differential Equations by and David Westreich
- Multipliers and the Nevanlinna-Pick Theorem by and A. Snyder
- Self Linking Numbers of Space Polygons by and T. Banchoff