On Gevrais classes of certain self-adjoint differential operators with degeneration

• Datum: 1993
• Hauptverfasser: Izvekov, I. G., Martynenko, E. V., Извеков, И. Г., Мартыненко, Е. В.
• Format: Artikel
• Sprache: Russisch; Englisch
• Veröffentlicht: Institute of Mathematics, NAS of Ukraine 1993
• Online Zugang: https://umj.imath.kiev.ua/index.php/umj/article/view/5969
• Назва журналу: Ukrains’kyi Matematychnyi Zhurnal

Classical spaces of ultra-diffcrentiable funetions on $[-1,1]$ are compared with the Gevrais classes of а self-adjoint differentiable operator whose eigenfunetions an the orthogonal Jacobi polynomials.