Spline functions entered Approximation Theory as solutions of natural extremal problems. A typical example is the problem of drawing a function curve through gi

Subject of multivariate splines presented from an elementary point of view; includes many open problems.

This textbook is intended to supplement the classical theory of uni- and multivariate splines and their approximation and interpolation properties with those of

This volume provides a comprehensive introduction to the theory of spline functions. Emphasis is given to new developments, such as the general Birkhoff-type in

This book deals with the algebraic geometric method of studying multivariate splines. Topics treated include: the theory of multivariate spline spaces, higher-d