<正> The birefringenee along c-axis of LiNbO8 as a function of temperature in the range of 20—150℃ was measured by et al. together with the obtaining of a wid
<正> When EK denote the K-dimensional Euclidean space, a point x in EK will be written as then K(x) = P(x/|x|)|x|-K is a spherical harmonic kernel, where P(t) is a ho
<正> Ⅰ. INTRODUCTIONLet K be a field and F an n×n non-singular alternate matrix over K. From the non-singularity of F, n=2m is even.An n×n matrix P o