JournalsprimsVol. 21, No. 2Volume 21, No. 2 (1985) Publications of the Research Institute for Mathematical Sciencespp. 255–277Some Implicit Fourth and Fifth Order Methods with Optimum Processes for Numerical Initial Value ProblemsMasaharu Nakashimapp. 279–295Conditional Probability and A Posteriori States in Quantum MechanicsMasanao Ozawapp. 297–354A $p_{g}$-Formula and Elliptic SingularitiesMasataka Tomaripp. 355–383Conditions for Well-Posedness in Gevrey Classes of the Cauchy Problems for Fuchsian Hyperbolic OperatorsHitoshi Uryupp. 385–401Examples of Absolutely Continuous Schrödinger Operators in Magnetic FieldsAkira Iwatsukapp. 403–409Theory of Connexes, IIYohei Yamasakipp. 411–420Rotationally-Quasi-Invariant Measures on the Dual of a Hilbert SpaceHiroaki Shimomurapp. 421–423A Remark to Kensho Takegoshipp. 425–431Construction of a Continuous $SL(3,R)$ Action on 4-SphereFuichi Uchidapp. 433–438Extremal Traces on Some Group-Invariant C*-Algebras, IIGeoffrey L. Price

pp. 255–277Some Implicit Fourth and Fifth Order Methods with Optimum Processes for Numerical Initial Value ProblemsMasaharu Nakashima

pp. 355–383Conditions for Well-Posedness in Gevrey Classes of the Cauchy Problems for Fuchsian Hyperbolic OperatorsHitoshi Uryu