The Kyoto Journal of Mathematics, formerly The Journal of Mathematics of Kyoto University, has a long and distinguished history of publishing high-quality and original mathematical research. A quarterly, it publishes original research papers at the forefront of pure mathematics, including surveys that contribute to advances in pure mathematics.

### Volume 32, Number 2

#### Publication Date: 1992

Vector valued Fourier hyperfunctions

Yoshifumi Ito; 259-285

A necessary condition for $H^\infty$-wellposed Cauchy problem of Schrödinger type equations with variable coefficients

Shigeomi Hara; 287-305

Mixed problems or Cauchy problems for semi-degenerate hyperbolic equations of 2-nd order with a parameter

Reiko Sakamoto; 307-331

Estimates for degenerate Schrödinger operators and hypoellipticity for infinitely degenerate elliptic operators

Yoshinori Morimoto; 333-372

Hypoellipticity for some infinitely degenerate elliptic operators of second order

Tatsushi Morioka; 373-386

Range characterization of Radon transforms on complex projective spaces

Tomoyuki Kakehi; 387-399

Stability properties of regular flows of heat-conducting compressible fluids