Definitions =========== Inner product with the properites required by the definition Norm (induced by the inner product) Orthogonal decomposition Orthonormal bases Projection, orthogonal projection Gram-Schmidt procedure Orthogonal compliment Linear functional Adjoint (linear map) Self-adjoint operator Normal operator Theorems and other things without proofs ======================================== 6.7, 6.10, 6.14, 6.18, 6.22, 6.28, 6.30, 6.34, 6.35, 6.38, 6.46, 6.47, 6.50, 6.51, 6.55, 7.5, 7.10, 7.14, 7.16, 7.20, 7.21, 7.26, 7.28, 7.29 Theorems with proofs ==================== 6.13, 6.15, 6.25, 6.26, 6.31, 6.37, 6.42, 6.56, 7.5, 7.7, 7.13, 7.15, 7.22, 7.24, 7.27