# Publications of the Research Institute for Mathematical SciencesKyoto University24(5) (19881200)

 The Orders of Invariant Eigendistributions 679-696 Stopping Unitary Processes in Fock Space 697-705 Additivity of Quadratic Maps 707-722 $C\sp \infty$ Ill-Posedness of the Mixed Problem for Hyperbolic Equations of Second Order 723-730 On Bounded Part of an Algebra of Unbounded Operators 731-737 On a Banach Space of Functions Associated with a Homogeneous Additive Process 739-757 Convergence of Finite Difference Scheme and Analytic Date 759-764 Fubini Products of $C\sp *$-algebras and Applications to $C\sp *$-exactness 765-773 On a Geometric Realization of ${\scr A}(2)$ 775-782 Dirichlet Series and Convolution Equation 783-810 Equivariant Phantom Maps : Dedicated to Professor Hiroshi Toda on his 60th birthday 811-820