Abstract:
We prove that in the real space l2(Z) of two-sided sequences there is an element such that the sums of its shifts are dense in all real spaces lp(Z), 2⩽p<∞, as well as in the real space c0(Z).
The work was supported by the Russian Foundation for Basic Research (project no. 18-01-00333‑a) and by a grant of the President of the Russian Federation (project no. NSh-6222.2018.1).
Citation:
P. A. Borodin, “Density of sums of shifts of a single vector in sequence spaces”, Harmonic analysis, approximation theory, and number theory, Collected papers. Dedicated to Academician Sergei Vladimirovich Konyagin on the occasion of his 60th birthday, Trudy Mat. Inst. Steklova, 303, MAIK Nauka/Interperiodica, Moscow, 2018, 39–44; Proc. Steklov Inst. Math., 303 (2018), 31–35
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\by P.~A.~Borodin
\paper Density of sums of shifts of a single vector in sequence spaces
\inbook Harmonic analysis, approximation theory, and number theory
\bookinfo Collected papers. Dedicated to Academician Sergei Vladimirovich Konyagin on the occasion of his 60th birthday
\serial Trudy Mat. Inst. Steklova
\yr 2018
\vol 303
\pages 39--44
\publ MAIK Nauka/Interperiodica
\publaddr Moscow
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\jour Proc. Steklov Inst. Math.
\yr 2018
\vol 303
\pages 31--35
\crossref{https://doi.org/10.1134/S0081543818080047}
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