## Vol. 6 (1999) No. 02

Journal of Mathematical Sciences The University of Tokyo

1. Kumpera, A.
On the Lie and Cartan Theory of Invariant Differential Systems
Vol. 6 (1999), No. 2, Page 229--314.

2. Tanaka, Hitoshi
Some Weighted Inequalities for the Kakeya Maximal Operator on Functions of Product Type
Vol. 6 (1999), No. 2, Page 315--333.

3. Sugitani, Tetsuya
Zonal Spherical Functions on Quantum Grassmann Manifolds
Vol. 6 (1999), No. 2, Page 335--369.

4. Koike, Masanobu
On the Isomorphism Classes of Iwasawa Modules Associated to Imaginary Quadratic Fields with $Î» = 2$
Vol. 6 (1999), No. 2, Page 371--396.
Deformations of $\Bbb Q$-Calabi-Yau 3-Folds and $\Bbb Q$-Fano 3-Folds of Fano Index 1