# Hokkaido Mathematical Journal

### No.1

BOITI Chiara,
Hörmander's type conditions for evolution in spaces
Hokkaido Mathematical Journal, 31 (2002) pp.1-38
COLOMBINI Ferruccio, KINOSHITA Tamotu,
On the Gevrey wellposedness of the Cauchy problem for weakly hyperbolic equations of 4th order
Hokkaido Mathematical Journal, 31 (2002) pp.39-60
R. I., PONNUSAMY S.,
On the class of univalent functions starlike with respect to N-symmetric points
Hokkaido Mathematical Journal, 31 (2002) pp.61-77
SEKIGUCHI Katsusuke,
Extensions and the irreducibilities of induced characters of some 2-groups
Hokkaido Mathematical Journal, 31 (2002) pp.79-96
YAMANAKA Takeharu,
A characterization of dense vector fields in ð1(M) on 3-manifolds
Hokkaido Mathematical Journal, 31 (2002) pp.97-105
AGAOKA Yoshio, KANEDA Eiji,
Strongly orthogonal subsets in root systems
Hokkaido Mathematical Journal, 31 (2002) pp.107-136
ESCHER Joachim, NISHIURA Yasumasa,
Smooth unique solutions for a modified Mullins-Sekerka model arising in diblock copolymer melts
Hokkaido Mathematical Journal, 31 (2002) pp.137-149
YAMASHITA Shinji,
Estimates of spherical derivative of meromorphic functions
Hokkaido Mathematical Journal, 31 (2002) pp.151-186
The joint approximate point spectrum of an operator
Hokkaido Mathematical Journal, 31 (2002) pp.187-197
FUKUSHI Takeo,
Tortile Yang-Baxter operators for crossed group-categories
Hokkaido Mathematical Journal, 31 (2002) pp.199-218
A generalization of Chaitin's halting probability $\Omega$ and halting self-similar sets
A note on the Glauberman correspondence of $p$-blocks of finite $p$-solvable groups
Finite sums of nilpotent elements in properly infinite $C^{*}$-algebras