Table of Contents

Mathematical Research Note

Nos. 2001-001-- 007
No.
Author
Title
 2001-001
Fumioki ASAKURA and Mitsuru YAMAZAKI
Geometry of Hugoniot curves in 2 \times 2 systems of hyperbolic conservation laws with quadratic flux
functions
 2001-002
Akira Masuoka
Cohomology and Coquasi-Bialgebra Extensions Associated to a Matched Pair of Bialgebras
 2001-003
Fumihiko HIROSAWA
On the Cauchy problem for second order strictly hyperbolic equations with non- regular coefficients
 2001-004
Ken-ichi KOIKE
On the inequality of Kshirsagar
 2001-005
Hidekazu TANAKA
and Masafumi
AKAHIRA
On a family of distributions attaining the Bhattacharyya bound
 2001-006
Fumihiko HIROSAWA
Prolongation of the existence
time for Kirchhoff equation
 2001-007
Nao OHYAUCHI
Comparison of the Bayes risks
of estimators for a family of
truncated normal distributions