Volume 28, No. 4 (1992)
Publications of the Research Institute for Mathematical Sciences
pp. 503–533 Principal Fiber Bundle Interpretation of the KP-HierarchyJosef DorfmeisterJacek Szmigielski
pp. 535–578 Crossed Products by Groupoid Actions and Their Smooth Flows of WeightsTakehiko Yamanouchi
pp. 579–586 Some Remarks on Hypoelliptic Operators which are not Micro-hypoellipticYoshinori MorimotoTatsushi Morioka
pp. 587–593 A Note on Coherent States Related to Weighted ShiftsWlodzimierz MlakJan Stochel
pp. 595–602 Itô's Formula for Non-Smooth FunctionsRobert Aebi
pp. 603–614 Some Descriptive-Set-Theoretical Problems in Complexity TheoryHisao Tanaka
pp. 615–652 Generalized Whitehead Spaces with Few CellsNorio IwaseAkira KonoMamoru Mimura
pp. 653–678 Dual Weights on Crossed Products by Groupoid ActionsTakehiko Yamanouchi