The Projection Theorem
Jean‐Pierre Aubin · 2000
This chapter contains sections titled: Definition of a Hilbert Space Review of Continuous Linear and Bilinear Operators Extension of Continuous Linear and Bilinear Operators by Density The Best Approximation Theorem Orthogonal Projectors Closed Subspaces, Quotient Spaces, and Finite Products of Hilbert Spaces Orthogonal Bases for a Separable Hilbert Space