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A-integral

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One of the generalizations of the Lebesgue integral, given by E. Titchmarsh [1] for the integration of functions conjugate to summable ones. A measurable function is called -integrable over if

and if

exists, where

The number is called the -integral. It is denoted by

References

[1] E.G. Titchmarsh, "On conjugate functions" Proc. London Math. Soc. , 29 (1928) pp. 49–80
[2] I.A. Vinogradova, "Generalized integrals and Fourier series" Itogi Nauk. Mat. Anal. 1970 (1971) pp. 65–107 (In Russian)
How to Cite This Entry:
A-integral. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=A-integral&oldid=18741
This article was adapted from an original article by I.A. Vinogradova (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article