Almost everywhere convergence of dyadic partial sums of Fourier series for almost periodic functions

Bailey, Andrew David (2009). Almost everywhere convergence of dyadic partial sums of Fourier series for almost periodic functions. University of Birmingham. M.Phil.

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Abstract

It is a classical result that for a function $$f$$ $$\in$$ L$$^p$$($$\char{bbold10}{0x54}$$), dyadic partial sums of the Fourier series of $$f$$ converge almost everywhere for $$p$$ $$\in$$ (1, $$\infty$$). In 1968, E. A. Bredihina established an analogous result for the Stepanov spaces of almost periodic functions in the case $$p$$ = 2. Here, a new proof of the almost everywhere convergence result for Stepanov spaces is presented by way of a bound on an appropriate maximal operator for $$p$$ = 2$$^k$$, $$k$$ $$\in$$ $$\char{bbold10}{0x4E}$$. In the process of establishing this, a number of general results are obtained that will facilitate further work pertaining to operator bounds and convergence issues in Stepanov spaces.

Type of Work: Thesis (Masters by Research > M.Phil.)
Award Type: Masters by Research > M.Phil.
Supervisor(s):
Supervisor(s)EmailORCID
Bennett, JonUNSPECIFIEDUNSPECIFIED
Licence:
College/Faculty: Colleges (2008 onwards) > College of Engineering & Physical Sciences
School or Department: School of Mathematics
Funders: None/not applicable
Subjects: Q Science > QA Mathematics
URI: http://etheses.bham.ac.uk/id/eprint/268

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