ABSTRACT

Ei ® R2 = (N~i) ® R2) ffi ... ffi (NJ:) ® R2) and Un = UI,n+.. ,+u"i,n with Uk,n E N1i) for k = 1, ... ,Pi. Evidently,

= [(.L - ail)"i-l ® (£I - {31)](UI,n + ... + u"i-l,n)