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Absolute Riesz summability factors for Fourier series
Published online by Cambridge University Press: 20 January 2009
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Let ∑an be a given infinite series and {λn} a non-negative, strictly increasing, monotonic sequence, tending to infinity with n. We write, for w > λ0,
and, for r>0, we write
is known as the Riesz sum of “ type ” λn and “ order ” r, and
is called the Riesz mean of type λn and order r.
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- Copyright © Edinburgh Mathematical Society 1970
References
REFERENCES
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