02256nam0 22005173i 450 VAN026203620231115121642.176N978354038969920230726d1982 |0itac50 baengDE|||| |||||Extension of Positive Operators and Korovkin TheoremsKlaus DonnerBerlinSpringer1982xiv, 186 p.24 cm001VAN01022502001 Lecture notes in mathematics210 Berlin [etc.]Springer90447-XXOperator theory [MSC 2020]VANC019759MF47A20Dilations, extensions, compressions of linear operators [MSC 2020]VANC020669MF41A65Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) [MSC 2020]VANC021234MF41A46Approximation by arbitrary nonlinear expressions; widths and entropy [MSC 2020]VANC022009MF47B60Linear operators on ordered spaces [MSC 2020]VANC022260MF46B42Banach lattices [MSC 2020]VANC022265MFBoundary Element MethodsKW:KContinuationKW:KConvergenceKW:KFunctionalKW:KHomomorphismKW:KIdentityKW:KKorovkin theoremKW:KMappingKW:KMorphismKW:KOperatorsKW:KPositive operatorsKW:KSetsKW:KVector latticesKW:KBerlinVANL000066DonnerKlausVANV21650954950Springer <editore>VANV108073650ITSOL20240614RICAhttps://doi.org/10.1007/BFb0094133E-book – Accesso al full-text attraverso riconoscimento IP di Ateneo, proxy e/o ShibbolethBIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICAIT-CE0120VAN08NVAN0262036BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08CONS e-book 6436 08eMF6436 20230906 Extension of positive operators and Korovkin theorems80999UNICAMPANIA