Front Cover; Concepts of Mathematical Physics in Chemistry: A Tribute to Frank E. Harris -- Part A; Copyright; Contents; Preface; Contributors; Chapter One: Frank Harris, a Master of Mountains; Chapter Two: System-Size Dependence in Grand Canonical and Canonical Ensembles; 1. Introduction and Motivation; 2. Canonical and Grand Canonical Ensembles and Their Thermodynamics; 3. Thermodynamic Equivalence for Large Systems; 4. Non-interacting, Homogeneous Systems at Finite System Size; 4.1. Grand Canonical Ensemble; 4.2. Canonical Ensemble; 5. Relationship to Density Functional Theory; A. Appendix

2.5. Jaffé Solutions for the Spheroidal Coordinate Equation and Their Matching with the Solutions in the Hyperboloidal Co...3. The Hydrogen H2+ Molecular Ion; 3.1. Electronic Energies Including the United Atom and Dissociation Limits; 3.2. Molecular Potential Energy Curves and Dunham Parametrization; 3.3. Hyperboloidal Coordinate Wavefunctions; 3.4. Electric Dipole Moment; 4. The HeH2+ Molecular Ion; 4.1. Electronic Energies Including the United Atom and Dissociation Limits; 4.2. Molecular Potential Energy Curves; 4.3. Hyperboloidal and Spheroidal Coordinate Eigenfunctions