## Journal of the Mathematical Society of Japan

The Journal of the Mathematical Society of Japan publishes original research articles of the highest scientific level in all fields of mathematics. It has been the official journal of the Mathematical Society of Japan since 1948. The journal is open to contributions from mathematicians worldwide.

A new proof of the Baker-Campbell-Hausdorff formulaVolume 20, Number 1-2 (1968)
Quadratic fields and Hopf fibrationsVolume 28, Number 1 (1976)
Extreme points and linear isometries of the domain of a closed $*$ -derivation in $C(K)$Volume 48, Number 2 (1996)
On differentiable manifolds with contact metric structuresVolume 14, Number 3 (1962)
A lower bound for sectional genus of quasi-polarized manifoldsVolume 49, Number 2 (1997)
• ISSN: 0025-5645 (print), 1881-1167 (electronic)
• Publisher: Mathematical Society of Japan
• Discipline(s): Mathematics
• Full text available in Euclid: 1948--
• Access: Articles older than 3 years are open
• Euclid URL: https://projecteuclid.org/jmsj

### Special Issue of JMSJ

Volume 67, Number 4 of Journal of the Mathematical Society of Japan is a special issue dedicated to the memory of Kiyosi Itô on the occasion of the 100th anniversary of his birth.

Kiyosi Itô, 1994