Results 71 to 80 of about 17,183,410 (158)

Relation between Dirichlet kernels with respect to Vilenkin-like systems. [PDF]

open access: yes
In this paper we discuss the relation between Dirrichlet-kernels with respect to Vilenkin an Vilenkin-like systems. This relation gives a useful tool in field of approximation theory on compact totally disconnected Abelian ...
Blahota, István
core  

Pointwise Convergence of the Fejér Means of Functions on Unbounded Vilenkin Groups [PDF]

open access: yes, 1999
In this paper we prove that for a function f∈Lp(Gm) where ...
Gát, G., G. Gát
core   +1 more source

Approximation by $T$ means with respect to Vilenkin system in Lebesgue spaces and Lipschitz classes [PDF]

open access: yes
In this paper we present and prove some new results concerning approximation properties of $T$ means with respect to the Vilenkin system in Lebesgue spaces and Lipschitz classes for any $1\leq ...
Areshidze, N.   +3 more
core   +1 more source

Shift invariant space and FMRA on Vilenkin group

open access: yes, 2022
We construct the spectrum for a shift invariant space on Vilenkin group. We prove the results related to spectrum and Frame multiresolution analysis for Cantor dyadic group and Vilenkin group.Comment: 15 Pages.
Singh, Divya, Mahapatra, Prasadini
core  

Littlewood-Paley and Multiplier Theorems for Vilenkin-Fourier Series

open access: yes, 1994
Let S2jf be the 2j-th partial sum of the Vilenkin-Fourier series of f ∊ L1, and set S2-1f = 0. For , we show that the ratiois contained between two bounds (independent of f) .
Wo-Sang Young
core   +1 more source

100 years of mathematical cosmology: Models, theories and problems, Part B. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2022
Cotsakis S, Yefremov AP.
europepmc   +1 more source

ON CONVERGENCE OF THE FOURIER DOUBLE SERIES WITH RESPECT TO THE VILENKIN SYSTEMS

open access: yesProceedings of the YSU A: Physical and Mathematical Sciences, 2018
Let $ \{ W_k (x) \} _{k = 0}^{\infty} $ be either unbounded or bounded Vilenkin system. Then, for each $ 0 < \varepsilon < 1 $, there exist a measurable set $ E \subset [0,1)^2 $ of measure $ |E| > 1 \mathclose{-} \varepsilon $, and a subset of natural numbers $ \Gamma $ of density 1 such that for any function $ f(x,y) \in L^1 (E) $ there ...
openaire   +1 more source

Vilenkin–Lebesgue points and summations of bounded multi-dimensional Vilenkin–Fourier series

open access: yes
In 2017, Weisz introduced the concept of $$\omega $$ ω
Máté Szilveszter   +2 more
core   +1 more source

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