42Cxx Nontrigonometric Fourier analysis ( 0 Dok. )

• 42C05 Orthogonal functions and polynomials, general theory, See also {33A65, 33C45, 33C50, 33D45} ( 0 Dok. )
• 42C10 Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.) ( 0 Dok. )
• 42C15 Series of general orthogonal functions, generalized Fourier expansions, nonorthogonal expansions ( 0 Dok. )
• 42C20 Rearrangements and other transformations of Fourier and other orthogonal series ( 0 Dok. )
• 42C25 Uniqueness and localization for orthogonal series ( 0 Dok. )
• 42C30 Completeness of sets of functions ( 0 Dok. )
• 42C99 None of the above but in this section ( 0 Dok. )