Positive difference operators of any preassigned approximation order for the second derivative

• Datum: 1992
• Hauptverfasser: Terteryan, A.A., Тертерян, А.А.
• Format: Artikel
• Sprache: Russisch
• Veröffentlicht: Institute of Mathematics, NAS of Ukraine 1992
• Online Zugang: https://umj.imath.kiev.ua/index.php/umj/article/view/8262
• Назва журналу: Ukrains’kyi Matematychnyi Zhurnal

Difference operators are stuied, constructed by the method of block approximation for the differential operator $-d^2/dt^2$ with homogeneous first boundary conditions. For separators of any order of approximation the positivity property is established.