Sökning: "submultiplicative weight function"
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1. Wiener's lemma
Master-uppsats, Institutionen för matematik (MA)Sammanfattning : In this thesis we study Wiener’s lemma. The classical version of the lemma, whose realm is a Banach algebra, asserts that the pointwise inverse of a nonzero function with absolutely convergent Fourier expansion, also possesses an absolutely convergent Fourier expansion. LÄS MER
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