Necessary conditions for absolute matrix summability methods


ÖZARSLAN H. , Ozgen H. N.

BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA, cilt.8, ss.223-228, 2015 (ESCI İndekslerine Giren Dergi)

  • Cilt numarası: 8 Konu: 3
  • Basım Tarihi: 2015
  • Doi Numarası: 10.1007/s40574-015-0039-8
  • Dergi Adı: BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA
  • Sayfa Sayısı: ss.223-228

Özet

In this paper, we obtain necessary conditions in order that a series Sigma a(n) should be summable vertical bar B, q(n)vertical bar k whenever Sigma a(n) is summable vertical bar A, p(n)vertical bar(k). Some new results have also been obtained.