papers on linear algebra 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.

re_shadrin: ps ps.Z ps.gz pdf
On the (bi)infinite case of Shadrin's theorem concerning the $L_\infty$-boundedness of the $L_2$-spline projector;
Carl de Boor
july 2011
has appeared in the Subbotin 75th anniversary volume
Trudy Instituta Matematiki i Mekhaniki UrO RAN; 17(3); 2011, 25--29;

shekht: ps ps.Z ps.gz pdf
On the pointwise limits of bivariate Lagrange projectors;
Carl de Boor and Boris Shekhtman
november 2007
\LAA; 429(1); 2008; 311--325;

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

inverse_basis: ps ps.Z ps.gz pdf
What is the inverse of a basis?
Carl de Boor
sep 2000
BIT; 41(5); 2001; 880--890;
(the printed version contains a random 7 right in the middle of (4.2), the most
important formula of the paper, and an extra p in the first display on page 889)

jordannf: ps ps.Z ps.gz pdf
On Ptak's derivation of the Jordan normal form;
Carl de Boor
may 1999
\LAA; 310; 2000; 9--10;

encoan: ps ps.Z ps.gz pdf
Multivariate Hermite interpolation (talk at Guernavaca, 13apr99)
Carl de Boor
apr 1999
updated 08feb01 to conform to present-day notation
updated 20apr08 to correct some misprints

empty: ps ps.Z ps.gz pdf
An empty exercise
Carl de Boor
March 1990
has appeared in
ACM SIGNUM Newsletter; 25(4); 1990; 2--6;

modest: ps ps.Z ps.gz pdf
An alternative approach to (the teaching of) rank and dimension
Carl de Boor
February 1990
has appeared in
\LAA; 146; 1991; 221--229;

bsplloccond: ps ps.Z ps.gz pdf
The condition of the B-spline basis for polynomials
Carl de Boor
April 1987
has appeared as
\SJNA; 25(1); 1988; 148--152;
but the journal's final computer-aided processing messed up the paper through
the omission of various words (that happened to lie beyond column 80 on a
line in the TeX file).

infsignreg
Inverses of infinite sign regular matrices
C. de Boor, S. Friedland, and A. Pinkus
November 1980
has appeared: \TAMS; 274(1); 1982; 59--68;

inversebiinfband
The inverse of a totally positive bi-infinite band matrix
C. de Boor
November 1980
has appeared: \TAMS; 274(1); 1982; 45--58;

jacobi.pdf
The Numerically Stable Reconstruction of a Jacobi Matrix from Spectral Data;
Carl de Boor and G. H. Golub
apr 1977
\LAA; 21; 1978; 245--360;

countcomp
Comments on the comparison of global methods for linear two-point boundary
value problems;
Carl de Boor and Blair Swartz
summer 1977
has appeared in \MC; 31(140); 1977; 916--921;