ROCKY MOUNTAIN JOURNAL OF MATHEMATICS

Winter 1996, Volume 26, Number 1

CONTENTS

• Ecological Models, Permanence and Spatial Heterogeneity
  By R.S. Cantrell, C. Cosner and V. Hutson
• Conditional Function Space Integrals with Applications
  By Seung Jun Chang and Dong Myung Chung
• Derivatives of Univalent Functions and the Hyperbolic Metric
  By Kok Seng Chua
• Covering Congruences in Higher Dimensions
  By Todd Cochrane and Gerry Myerson
• A Survey on Paracomplex Geometry
  By V. Cruceanu, P. Fortuny and P.M. Gadea
• On Random Walks and Levels of the Form
  By Sarah Drucker, Imola Fodor and Evan Fisher
• On Quadratic Systems with a Degenerate Critical Point
  By A. Gasull and R. Prohens
• Asymptotic Behavior of Impulsive Differential Equations
  By Patricio González and Manuel Pinto
• Embedding Derivatives of M-Harmonic Hardy Spaces into Lebesgue Spaces, 0<p<2
  By Miroljub Jevtic
• Interpolation Theorem for Unbounded Operators
  By Hyoungsoon Kim
• Perturbation Analysis of a Semilinear Parabolic Problem with Nonlinear Boundary Conditions
  By A.A. Lacey, J.R. Ockendon, J. Sabina and D. Salazar
• Entropy Values of Chains of Partitions of Infinite Countable Sets
  By Servet Martínez and Jaime San Martín
• Torsion of Differentials of Affine Quasi-Homogeneous Hypersurfaces
  By Ruth I. Michler
• -Algebras Generated by Commuting Isometries
  By Gerard J. Murphy
• Asymptotics for Orthogonal Polynomials Beyond the Analytic Boundary
  By K. Pan
• Equimeasurable Rearrangements of Functions and Fourth Order Boundary Value Problems
  By Philip Savoye
• The Diophantine Equation Has Exactly Six Solutions
  By Jörg Stiller
• The Differential Invariants of Particle Lagrangians under Equivalence by Contact Transformations
  By Michael D. Sutton
• Robinson's Theorem on Asymmetric Diophantine Approximation
  By Jingcheng Tong
• Duality for Locally Compact Lipschitz Spaces
  By Nik Weaver
• Moment Maps for Torus Actions
  By James S. Wolper
• Nonlinear Oscillation of First Order Delay Differential Equations
  By Norio Yoshida