Treffer 1 - 20 von 433

01 natural sciences 189 0101 mathematics 187 best approximation, chebyshev systems 69 abstract approximation theory (approximation in normed linear spaces and other abstract spaces) 65 applied mathematics 50 approximation by other special function classes 50 mehr ... trigonometric approximation 50 analysis 45 numerical analysis 44 mathematics(all) 41 rate of convergence, degree of approximation 35 multidimensional problems 32 approximation by polynomials 28 spline approximation 28 02 engineering and technology 27 interpolation in approximation theory 22 numerical smoothing, curve fitting 18 0202 electrical engineering, electronic engineering, information engineering 17 algorithms for approximation of functions 16 summability and absolute summability of fourier and trigonometric series 15 0103 physical sciences 12 approximation by operators (in particular, by integral operators) 12 asymptotic approximations, asymptotic expansions (steepest descent, etc.) 12 general harmonic expansions, frames 11 geometry and structure of normed linear spaces 11 sobolev spaces and other spaces of ''smooth' functions, embedding theorems, trace theorems 11 spaces of measurable functions (\(l^p\)-spaces, orlicz spaces, kothe function spaces, lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) 11 510.mathematics 10 article 10 4. education 9 weniger ...

springer science and business media llc 79 elsevier bv 67 russian academy of sciences - ras (rossiiskaya akademiya nauk - ran), v. a. steklov mathematical institute (matematicheskii institut im. v. a. steklova), moscow; nauka, moscow 19 society for industrial & applied mathematics (siam) 15 national academy of sciences of ukraine - nas ukraine (natsional'na akademiya nauk ukraiiny - nan ukrainy), institute of mathematics (instytut matematyky), kiev 12 american mathematical society (ams), providence, ri 10 mehr ... kazan (volga region) federal university (kazanskii (privolzhskii) federal'nyi universitet), kazan 10 leningrad university press, leningrad 10 allerton press, inc., new york 9 american mathematical society (ams) 9 springer us, new york, ny; pleiades publishing, new york, ny; maik ``nauka/interperiodica'', moscow 7 steklov mathematical institute 7 wiley 7 jstor 6 russian academy of sciences - ras (rossiiskaya akademiya nauk - ran), moscow; nauka, moscow 6 springer us, new york, ny; pleiades publishing (allerton press), new york, ny; maik ``nauka/interperiodica'', moscow 6 izdatel'stvo nauka, moskva 4 oxford university press (oup) 4 universita degli studi di roma ``la sapienza'', dipartimento di matematica, rome; istituto nazionale di alta matematica francesco severi, rome 4 academy of sciences of the union of soviet socialist republics - ussr (akademiya nauk sssr), leningrad branch (leningradskoe otdelenie), leningrad 3 bulgarian academy of sciences - bas (balgarska akademiya na naukite - ban), sofia 3 dalian university of science and technology, dalian 3 elsevier (academic press), san diego, ca 3 fudan university, shanghai 3 gauthier-villars, paris 3 institute of electrical and electronics engineers (ieee) 3 taylor \& francis, abingdon, oxfordshire 3 academia sinica, institute of mathematics, beijing; chinese mathematical society, beijing 2 academy of sciences of the armenian soviet socialist republic - armenian ssr (akademiya nauk armyanskoi ssr), yerevan 2 association for computing machinery (acm), new york, ny 2 weniger ...

undetermined 239 english 183 german 9 french 1 italian 1

OpenAIRE 433