Olga Holtz's papers at ftp.cs.wisc.edu/Approx

These files can be obtained by anonymous from ftp.cs.wisc.edu/Approx. The files are postscript, and are also available as compress(ed) files, as indicated by the subscript .Z, to be uncompress(ed) before using, as well as as (shorter) gzip(ed) files, as indicated by the subscript .gz, to be extracted by gzip -d .
The files are now also available in pdf. For those from before '98, these pdf files might not look very good in an acrobat reader, but will print just fine.
If you have trouble because of file contamination, specify binary as your first command in ftp.
The files are in order of increasing age.

hrx: ps ps.Z ps.gz pdf
Hierarchical zonotopal spaces;
Olga Holtz, Zhiqiang Xu and Amos Ron
october 2009
to appear in
TAMS; xx(x); 201x; xxx-xxx;

zonotopes: ps ps.Z ps.gz pdf
Zonotopal algebra;
Olga Holtz and Amos Ron
september 2007

olgamos: ps ps.Z ps.gz pdf
Approximation order of shift-invariant subspaces of $W_s^2(R^d)$
Olga Holtz and Amos Ron
May 2004
\JAT; 132; 2005; 97--148;