Volume 20, No. 2 (1984)
Publications of the Research Institute for Mathematical Sciences

pp. 225–275 Branching of Singularities for Degenerate Hyperbolic OperatorsKazuo AmanoGen Nakamura
pp. 277–296 On the -Model on Two-Sided Infinite ChainHuzihiro Araki
pp. 297–317 Cohomology of -GroupsHideaki Kazama
pp. 319–365 The Riemann–Hilbert Problem for Holonomic SystemsMasaki Kashiwara
pp. 367–399 Theory of Multiple Polynomial Remainder SequenceTateaki SasakiAkio Furukawa
pp. 401–429 Continuous Cohomologies of Lie Algebras of Formal -Invariant Vector Fields and Obstructions to Lifting FoliationsAtsumi Hamasaki