J. MATH. KYOTO. UNIV.
VOL.39, No.3
OCTOBER 1999
CONTENTS
Well posedness in C^ for some weakly hyperbolic equations
By Ferruccio COI.OMHINI and Nicola ORRU ... 399 On the area of the complement of the invariant component of certain
b groups and on sequences of terminal regular b-groups
By Hideki MIYACHI ... 421 On the existence of extremal metrics for Ll-nmm of scalar curvature
on closed 3-manifolds
By Shu-Cheng CHANC, and Jin-Tong Wu ... 435 Singularities of multiplicative /^-closed vector fields and global 1-forms
of Zariski surfaces
By Masayuki HIROKADO ... 455 Height and arithmetic intersection for a family of semi stable curves
By Shu KAWAGUCHI ... 469 1-cocyclcs on the group of diffeoinorphisms II
By Hiroaki SHIMOMURA ... 493 The spectral gap of two dimensional ising model with a hole: Shrinking
effect of contours
By Jun WANG ... 529 Sympletic volume of the moduli space of spatial polygons
By Yasuliiko K A M I Y A M A and Michishige TF.ZUKA ... 557 Topological realization of level structure of the formal group law over
EW
By Takeshi TORII ... 577 Level structure over E ( n ) and stable splitting by Steinberg idenipotent
By Takeshi TORII ... 589