Geodesic
Two examples of subspaces in $L^{2l}$ spanned by characters of finite order
Mats Erik Andersson 1
1 Matematiska institutionen Stockholms universitet SE-106 91 Stockholm, Sweden
Colloquium Mathematicum, Tome 87 (2001) no. 1, pp. 13-26 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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By a Fourier multiplier technique on Cantor-like Abelian groups with characters of finite order, the norms from $L^2$ into $L^{2l}$ of certain embeddings of character sums are computed. It turns out that the orders of the characters are immaterial as soon as they are at least four.
DOI : 10.4064/cm87-1-2
Keywords: fourier multiplier technique cantor like abelian groups characters finite order norms certain embeddings character sums computed turns out orders characters immaterial soon least

Mats Erik Andersson  1

1 Matematiska institutionen Stockholms universitet SE-106 91 Stockholm, Sweden 
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spanned by characters of finite order
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Mats Erik Andersson. Two examples of subspaces in $L^{2l}$
spanned by characters of finite order. Colloquium Mathematicum, Tome 87 (2001) no. 1, pp. 13-26. doi: 10.4064/cm87-1-2

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