Search and Browse the MSC 2000
41-XX
Approximations and expansions {For all approximation theory in the complex domain, see 30Exx, 30E05 and 30E10; for all trigonometric approximation and interpolation, see 42Axx, 42A10 and 42A15; for numerical approximation, see 65Dxx} → ZMATH
41-00
General reference works (handbooks, dictionaries, bibliographies, etc.) → ZMATH
41-01
Instructional exposition (textbooks, tutorial papers, etc.) → ZMATH
41-02
Research exposition (monographs, survey articles) → ZMATH
41-03
Historical (must also be assigned at least one classification number from Section 01) → ZMATH
41-04
Explicit machine computation and programs (not the theory of computation or programming) → ZMATH
41-06
Proceedings, conferences, collections, etc. → ZMATH
41A10
Approximation by polynomials {For approximation by trigonometric polynomials, see 42A10} → ZMATH
41A15
Spline approximation → ZMATH
41A17
Inequalities in approximation (Bernstein, Jackson, Nikol\cprime ski\u\i-type inequalities) → ZMATH
41A20
Approximation by rational functions → ZMATH
41A21
Padé approximation → ZMATH
41A25
Rate of convergence, degree of approximation → ZMATH
41A27
Inverse theorems → ZMATH
41A28
Simultaneous approximation → ZMATH
41A29
Approximation with constraints → ZMATH
41A30
Approximation by other special function classes → ZMATH
41A35
Approximation by operators (in particular, by integral operators) → ZMATH
41A36
Approximation by positive operators → ZMATH
41A40
Saturation → ZMATH
41A44
Best constants → ZMATH
41A45
Approximation by arbitrary linear expressions → ZMATH
41A46
Approximation by arbitrary nonlinear expressions; widths and entropy → ZMATH
41A50
Best approximation, Chebyshev systems → ZMATH
41A52
Uniqueness of best approximation → ZMATH
41A55
Approximate quadratures → ZMATH
41A58
Series expansions (e.g. Taylor, Lidstone series, but not Fourier series) → ZMATH
41A60
Asymptotic approximations, asymptotic expansions (steepest descent, etc.) [See also 30E15] → ZMATH
41A63
Multidimensional problems (should also be assigned at least one other classification number in this section) → ZMATH
41A65
Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) → ZMATH
41A80
Remainders in approximation formulas → ZMATH
41A99
Miscellaneous topics → ZMATH
