Sökning: "submultiplicative weight function"

Hittade 1 uppsats innehållade orden submultiplicative weight function.

  1. 1. Wiener's lemma

    Master-uppsats, Institutionen för matematik (MA)

    Författare :Henrik Fredriksson; [2013]
    Nyckelord :Wiener s lemma; Banach algebra; quasi-norm; p-norm; submultiplicative weight function;

    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