JournalsprimsVol. 18, No. 1Volume 18, No. 1 (1982) Publications of the Research Institute for Mathematical Sciencespp. 1–16The First Cohomology Groups of Infinite Dimensional Lie AlgebrasNobutada Nakanishipp. 17–34Finite Element Approximations Applied to the Nonlinear Boundary Value Problem <i>Δu = bu</i><sup>2</sup> Kazuo Ishiharapp. 35–48Centralizer of an Ergodic Measure Preserving TransformationMotosige Osikawapp. 49–96Gravity Waves on the Free Surface of an Incompressible Perfect Fluid of Finite DepthHideaki Yosiharapp. 97–133Quantum Stochastic ProcessesLuigi AccardiAlberto FrigerioJohn T. Lewispp. 135–157On Versality for Unfoldlngs of Smooth Section GermsShyuichi Izumiyapp. 159–181Decomposition of Invariant States and Nonseparable <i>C</i>*-AlgebrasRolf W. Henrichspp. 183–189On the <i>G</i>-Homotopy Types of <i>G</i>-ANR'sMitutaka Murayamapp. 191–232Isomorphism Theorems for Cohomology Groups of Weakly 1-Complete ManifoldsTakeo Ohsawapp. 233–250Prepositional Dynamic Logic for Concurrent ProgramsHirokazu Nishimurapp. 251–274Euclidean Quantum Fields with Spin on an Indefinite Inner Product State SpaceBengt Ekpp. 275–305The Probabilistic Treatment of Phase Separations In Lattice Models Composed of More Than Two Types of ParticlesKoji Kurodapp. 307–324Homotopy Classification of Connected Sums of Sphere Bundles over Spheres, IIHiroyasu Ishimotopp. 325–364Runge-Kutta Type Integration Formulas Including the Evaluation of the Second Derivative, Part ITaketomo Mitsuipp. 365–377Divergence des Fonctionnelles de M. Kac et Diffusion QuantiqueB. GaveauE. Mazetpp. 379–386Linear Radon-Nikodym Theorems for States on a von Neumann AlgebraHideki Kosakipp. 387–419L'Existence d'une Fonction Analytique sur une Variété Analytique Complexe à Deux DimensionsToshio Nishino
pp. 17–34Finite Element Approximations Applied to the Nonlinear Boundary Value Problem <i>Δu = bu</i><sup>2</sup> Kazuo Ishihara
pp. 49–96Gravity Waves on the Free Surface of an Incompressible Perfect Fluid of Finite DepthHideaki Yosihara
pp. 275–305The Probabilistic Treatment of Phase Separations In Lattice Models Composed of More Than Two Types of ParticlesKoji Kuroda
pp. 307–324Homotopy Classification of Connected Sums of Sphere Bundles over Spheres, IIHiroyasu Ishimoto
pp. 325–364Runge-Kutta Type Integration Formulas Including the Evaluation of the Second Derivative, Part ITaketomo Mitsui
pp. 387–419L'Existence d'une Fonction Analytique sur une Variété Analytique Complexe à Deux DimensionsToshio Nishino