Steven A. Pruess
, Estimating the eigenvalues of Sturm-Liouville problems by approximating the differential equation, Purdue University, 1970
David S. Dodson (
), Optimal order approximation by polynomial spline functions, Purdue University, 1972
, Spline interpolation and some related topics, University of Wisconsin-Madison, 1983
Daniel Tien-you Lee (
), Some problems in cardinal spline interpolation and approximation, University of Wisconsin-Madison, 1984 Tel : 886-4-23590121 ext 3660
Thomas A. Grandine (
), Computing with multivariate simplex splines, University of Wisconsin, 1985.
, Fitting smooth parametric surfaces to 3D data, University of Wisconsin, 1990.
Thomas James Kunkle
), A multivariate interpolant with $n$th derivatives not much larger than necessary, University of Wisconsin, 1991.
Kang Zhao (
), Approximation from principal shift-invariant spaces, University of Wisconsin, 1993.
$L_2$-error bounds for multivariate polynomial interpolation schemes
, University of Wisconsin, 1995.
, A minimizing spline curve under near-interpolatory constraints, University of Wisconsin, 1998.
Here is a
of a very nice occasion in may97.