A note on summability factors of infinite series

• Autorzy: Sulaiman W.T.
• Języki publikacji: EN

Abstrakty

EN

Necessary and sucient conditions are obtained for Σa_nλ_n to be |N,p,q|_k - summable, k ≥ 1, whenever Σa_n is (N, p, q) - bounded.

Słowa kluczowe

EN

absolute summability; infinite series; summability factor

• Wydawca: Wydawnictwo Politechniki Poznańskiej
• Czasopismo: Fasciculi Mathematici
• Rocznik: 2011
• Tom: Nr 47
• Strony: 117--125
• Opis fizyczny: Bibliogr. 4 poz.

Twórcy

autor

Sulaiman W.T.

• Department of Computer Engineering College of Engineering University of Mosul, Iraq

Bibliografia

• [1] Daniel E.C., On the \N,pn\ summability of infinite series, J. Math. (Jabalpur).
• [2] Das G., On some methods of summability, Quart. J. Oxford Ser., 17(2)(1996), 244-256.
• [3] Singh N., Sharma N., On (N, p, q) summability factors of infinite series, Proc. Nat. Acad. Sci. (Math. Sci.), 110(2000), 61-68.
• [4] Sulaiman W.T., Relations on some summability methods, Proc. Amer. Math. Soc., 118(1993), 1139-1145.