JournalsprimsVol. 18, No. 2Volume 18, No. 2 (1982) Publications of the Research Institute for Mathematical Sciencespp. 1–29Invertibility for Microdifferential Operators of Infinite OrderTakashi Aokipp. 31–56A Coherency Theorem for Direct Images with Proper Supports in the Case of a 1-Convex MapAkira Fujikipp. 57–99On the Cauchy Problem of the Boltzmann Equation with a Soft PotentialSeiji UkaiKiyoshi Asanopp. 101–117A Posteriori Componentwise Error Estimate for a Computed Solution of a System of Linear EquationsTetsuro Yamamotopp. 119–130Order Properties of a Class of Tensor AlgebrasJulio Alcantarapp. 131–186Representation Theorems of Cohomology on Weakly 1-Complete ManifoldsKensho Takegoshipp. 187–240On Energy Inequalities and Regularity of Solutions to Weakly Hyperbolic Cauchy ProblemsTakeshi Mandaipp. 241–263Actions of Semigroups on Borel Spaces and von Neumann Algebras of Groupoids of Type $II_{1}$Moto O'uchipp. 265–282Pursell-Shanks Type Theorem for Orbit Spaces of $G$-ManifoldsKôjun Abepp. 283–338On Quasi-equivalence of Quasifree States of the Canonical Commutation RelationsHuzihiro ArakiShigeru Yamagamipp. 339–411Positive Cones and $L_{p}$-Spacesfor von Neumann AlgebrasHuzihiro ArakiTetsuya Masudapp. 413–426Poisson's Summation Formula and Hamburger's TheoremLeon EhrenpreisTakahiro Kawaipp. 427–438Semantical Analysis of Constructive PDLHirokazu Nishimurapp. 439–468Actions on Invariant Spheres around Isolated Fixed Points of Actions of Cyclic GroupsMasayoshi Kamatapp. 469–474Uniqueness of the Infinite Loop Space Structures on Connective Fibre Spaces of $BSO$Akira Kono

pp. 31–56A Coherency Theorem for Direct Images with Proper Supports in the Case of a 1-Convex MapAkira Fujiki

pp. 57–99On the Cauchy Problem of the Boltzmann Equation with a Soft PotentialSeiji UkaiKiyoshi Asano

pp. 101–117A Posteriori Componentwise Error Estimate for a Computed Solution of a System of Linear EquationsTetsuro Yamamoto

pp. 187–240On Energy Inequalities and Regularity of Solutions to Weakly Hyperbolic Cauchy ProblemsTakeshi Mandai

pp. 241–263Actions of Semigroups on Borel Spaces and von Neumann Algebras of Groupoids of Type $II_{1}$Moto O'uchi

pp. 283–338On Quasi-equivalence of Quasifree States of the Canonical Commutation RelationsHuzihiro ArakiShigeru Yamagami

pp. 439–468Actions on Invariant Spheres around Isolated Fixed Points of Actions of Cyclic GroupsMasayoshi Kamata

pp. 469–474Uniqueness of the Infinite Loop Space Structures on Connective Fibre Spaces of $BSO$Akira Kono