27 citations · 27 across the 2 of their papers we have counts for
2 papers
math.CA2005★ 27 cited
Density in Approximation Theory
Allan Pinkus
Approximation theory is concerned with the ability to approximate functions by simpler and more easily calculated functions. The first question we ask in approximation theory conce…
math.CA2004
Strictly Hermitian Positive Definite Functions
Allan Pinkus
Let H be any complex inner product space with inner product <, >. We say that f : C -->C is Hermitian positive definite on H if the matrix $$(f(<z^r,z^s>))_{r,s=1}^n \eqno(*)$$ is…