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Chebyshevskii Sbornik, 2020, Volume 21, Issue 3, Pages 232–240
DOI: https://doi.org/10.22405/2226-8383-2018-21-3-232-240
(Mi cheb938)
 

This article is cited in 1 scientific paper (total in 1 paper)

BRIEF MESSAGE

Asymptotic estimation for trigonometric sums of algebraic grids

E. M. Rarovaa, N. N. Dobrovol'skiiab, I. Yu. Rebrovaa

a Tula State Lev Tolstoy Pedagogical University (Tula)
b Tula State University (Tula)
Full-text PDF (752 kB) Citations (1)
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Abstract: The paper continues the author's research on the evaluation of trigonometric sums of an algebraic net with weights with the arbitrary weight function of the $r+1$ order.
For the parameter $\vec{m}$ of the trigonometric sum $S_{M(t),\vec\rho} (\vec m)$, three cases are highlighted.
If $\vec{m}$ belongs to the algebraic lattice $\Lambda (t \cdot T(\vec a))$, then the asymptotic formula is valid
$$ S_{M(t),\vec\rho}(t(m,\ldots, m))=1+O\left(\frac{\ln^{s-1}\det \Lambda(t)} { (\det\Lambda(t))^{r+1}}\right). $$

If $\vec{m}$ does not belong to the algebraic lattice $\Lambda(t\cdot T(\vec a))$, then two vectors are defined $\vec{n}_\Lambda(\vec{m})=(n_1,\ldots,n_s)$ and $\vec{k}_\Lambda(\vec{m})$ from the conditions $\vec{k}_\Lambda(\vec{m})\in\Lambda$, $\vec{m}=\vec{n}_\Lambda(\vec{M})+\vec{K}_\lambda(\vec{m})$ and the product $q(\vec{n}_\lambda(\vec{m}))=\overline{n_1}\cdot\ldots\cdot\overline{n_s}$ is minimal. Asymptotic estimation is proved
$$ |S_{M(t),\vec\rho}(\vec{m})|\le B_r\left(\frac{1-\delta(\vec{k}_\Lambda(\vec{m}))}{(q(\vec{n}_\Lambda(\vec{m})))^{r+1}}+O\left(\frac{q(\vec{n}_\Lambda(\vec{m}))^{r+1}\ln^{s-1}\det \Lambda(t)}{ (\det\Lambda(t))^{r+1}}\right)\right). $$
Keywords: algebraic lattices, algebraic net, trigonometric sums of algebraic net with weights, weight functions.
Funding agency Grant number
Russian Foundation for Basic Research 19-41-710004_р_а
The work has been prepared by the RFBR grant №19-41-710004_р_а.
Received: 28.05.2020
Accepted: 22.10.2020
Document Type: Article
UDC: 511.3
Language: Russian
Citation: E. M. Rarova, N. N. Dobrovol'skii, I. Yu. Rebrova, “Asymptotic estimation for trigonometric sums of algebraic grids”, Chebyshevskii Sb., 21:3 (2020), 232–240
Citation in format AMSBIB
\Bibitem{RarDobReb20}
\by E.~M.~Rarova, N.~N.~Dobrovol'skii, I.~Yu.~Rebrova
\paper Asymptotic estimation for trigonometric sums of algebraic grids
\jour Chebyshevskii Sb.
\yr 2020
\vol 21
\issue 3
\pages 232--240
\mathnet{http://mi.mathnet.ru/cheb938}
\crossref{https://doi.org/10.22405/2226-8383-2018-21-3-232-240}
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  • https://www.mathnet.ru/eng/cheb/v21/i3/p232
  • This publication is cited in the following 1 articles:
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