LEADER 02256nam0 22005173i 450 001 VAN0262036 005 20231115121642.176 017 70$2N$a9783540389699 100 $a20230726d1982 |0itac50 ba 101 $aeng 102 $aDE 105 $a|||| ||||| 200 1 $aExtension of Positive Operators and Korovkin Theorems$fKlaus Donner 210 $aBerlin$cSpringer$d1982 215 $axiv, 186 p.$d24 cm 461 1$1001VAN0102250$12001 $aLecture notes in mathematics$1210 $aBerlin [etc.]$cSpringer$v904 606 $a47-XX$xOperator theory [MSC 2020]$3VANC019759$2MF 606 $a47A20$xDilations, extensions, compressions of linear operators [MSC 2020]$3VANC020669$2MF 606 $a41A65$xAbstract approximation theory (approximation in normed linear spaces and other abstract spaces) [MSC 2020]$3VANC021234$2MF 606 $a41A46$xApproximation by arbitrary nonlinear expressions; widths and entropy [MSC 2020]$3VANC022009$2MF 606 $a47B60$xLinear operators on ordered spaces [MSC 2020]$3VANC022260$2MF 606 $a46B42$xBanach lattices [MSC 2020]$3VANC022265$2MF 610 $aBoundary Element Methods$9KW:K 610 $aContinuation$9KW:K 610 $aConvergence$9KW:K 610 $aFunctional$9KW:K 610 $aHomomorphism$9KW:K 610 $aIdentity$9KW:K 610 $aKorovkin theorem$9KW:K 610 $aMapping$9KW:K 610 $aMorphism$9KW:K 610 $aOperators$9KW:K 610 $aPositive operators$9KW:K 610 $aSets$9KW:K 610 $aVector lattices$9KW:K 620 $dBerlin$3VANL000066 700 1$aDonner$bKlaus$3VANV216509$054950 712 $aSpringer $3VANV108073$4650 801 $aIT$bSOL$c20240614$gRICA 856 4 $uhttps://doi.org/10.1007/BFb0094133$zE-book ? Accesso al full-text attraverso riconoscimento IP di Ateneo, proxy e/o Shibboleth 899 $aBIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA$1IT-CE0120$2VAN08 912 $fN 912 $aVAN0262036 950 $aBIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA$d08CONS e-book 6436 $e08eMF6436 20230906 996 $aExtension of positive operators and Korovkin theorems$980999 997 $aUNICAMPANIA