Authors:
Ekrem SavaşDepartment of Mathematics, Istanbul Tiçaret University, Istanbul, Turkey

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B. RhoadesDepartment of Mathematics, Indiana University, Bloomington, IN 47405-7106, USA

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Abstract  

We obtain necessary conditions for a doubly triangular matrix A to have the property that a double series ΣΣ λ mn b mn is summable |A| k whenever the series ΣΣb mn is bounded |A| k .

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Periodica Mathematica Hungarica
Language English
Size B5
Year of
Foundation
1971
Volumes
per Year
2
Issues
per Year
4
Founder Bolyai János Matematikai Társulat - János Bolyai Mathematical Society
Founder's
Address
H-1055 Budapest, Hungary Falk Miksa u. 12.I/4.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0031-5303 (Print)
ISSN 1588-2829 (Online)

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