Search for dissertations about: "Mathematics Lorentz spaces Fourier series Inequalities"
Found 2 swedish dissertations containing the words Mathematics Lorentz spaces Fourier series Inequalities.
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1. Relations between functions from some Lorentz type spaces and summability of their Fourier coefficients
Abstract : This Licentiate Thesis is devoted to the study of summability of the Fourier coefficients for functions from some Lorentz type spaces and contains three papers (papers A - C) together with an introduction, which put these papers into a general frame.Let $\Lambda_p(\omega),\;\; p>0,$ denote the Lorentz spaces equipped with the (quasi) norm$$\|f\|_{\Lambda_p(\omega)}:=\left(\int_0^1\left(f^*(t)\omega(t)\right)^p\frac{dt}{t}\right)^{\frac1p}$$for a function $f$ on [0,1] and with $\omega$ positive and equipped with some additional growth properties. READ MORE
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2. Summability of Fourier transforms of functions from Lorentz spaces
Abstract : This PhD thesis is devoted to the study of relations between integrability properties of functions and summability properties of its Fourier coefficients and transforms. The relations are given in terms of generalized weighted Lorentz norms, where the weights have some additional growth properties. READ MORE
