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math.CA2014★ 1 cited
Fitting a Sobolev function to data
Charles L. Fefferman, Arie Israel, Garving K. Luli
We exhibit an algorithm to solve the following extension problem: Given a finite set and a function , compute an extension …
math.CA2012★ 3 cited
Sobolev Extension By Linear Operators
Charles L. Fefferman, Arie Israel, Garving K. Luli
Let be the Sobolev space of functions with derivatives lying in . Assume that . For , let denote the…