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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826 (e) ISSN 0002-9939 (p)
     

An extension of the integral test

Author(s): Ana Lía Durán; Ricardo Estrada
Journal: Proc. Amer. Math. Soc. 127 (1999), 1745-1751.
MSC (1991): Primary 26A06, 40A10, 46F10
Posted: February 11, 1999
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Abstract: We identify a class of functions for which an extension of the well known integral test holds, namely, the series $\sum _{k=1}^{\infty }\phi (k)$ is Cesàro summable if and only if the integral $\int _{1}^{\infty }\phi (x)\,dx$ is. We also give the corresponding multidimensional results.


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Additional Information:

Ana Lía Durán
Affiliation: Escuela de Matemática, Universidad de Costa Rica, 2060 San José, Costa Rica
Email: analiad@emate.ucr.ac.cr

Ricardo Estrada
Affiliation: Escuela de Matemática, Universidad de Costa Rica, 2060 San José, Costa Rica
Email: restrada@cariari.ucr.ac.cr

DOI: 10.1090/S0002-9939-99-04911-4
PII: S 0002-9939(99)04911-4
Keywords: Integral, series, summability
Received by editor(s): September 12, 1997
Posted: February 11, 1999
Communicated by: Frederick W. Gehring
Copyright of article: Copyright 1999, American Mathematical Society


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