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We obtain in this short article the bilateral non-asymptotic estimations for the norm in Lebesgue-Riesz and bilateral Grand Lebesgue spaces of the so-called fractional Laplace integral transform. We give also examples to show the sharpness…

Functional Analysis · Mathematics 2014-05-08 E. Ostrovsky , L. Sirota

We derive the bilateral estimates for the module of continuity of the fractional integrals and derivatives for the functions from the classical Lebesgue-Riesz spaces.

Functional Analysis · Mathematics 2015-02-24 E. Ostrovsky , L. Sirota

We extend the classical Lebesgue-Riesz norm estimations for integral operators acting between different classical Lebesgue-Riesz spaces into the Grand Lebesgue Spaces, in the general case. As an example we consider matrix operators acting…

Functional Analysis · Mathematics 2023-08-17 Maria Rosaria Formica , Eugeny Ostrovsky , Leonid Sirota

We extend in this article the classical imbedding theorems for fractional Lebesgue-Sobolev's spaces into the so-called Grand Lebesgue spaces, with sharp constant evaluation.

Functional Analysis · Mathematics 2014-04-16 E. Ostrovsky , L. Sirota

We study moment rearrangement invariant spaces, which contain as particular cases the generalized Grand Lebesgue Spaces, and provide norm estimates for some operators, not necessarily linear, acting between some measurable rearrangement…

Functional Analysis · Mathematics 2022-12-26 M. R. Formica , E. Ostrovsky , L. Sirota

We obtain estimates in Besov, Lizorkin-Triebel and Lorentz spaces of differential forms on R^n in terms of their L^1 norm.

Analysis of PDEs · Mathematics 2009-12-22 Jean Van Schaftingen

We establish imbedding properties between Grand Lebesgue Spaces and (generalized) Lorentz-Zygmund ones. We extend some known previous results concerning imbedding theorems between Grand Lebesgue and classical Lebesgue-Riesz spaces and we…

Functional Analysis · Mathematics 2022-12-26 Maria Rosaria Formica , Eugeny Ostrovsky , Leonid Sirota

We derive the non-improvable Grand Lebesgue Space norm estimations for multivariate and multidimensional operator of infimal convolution.

Functional Analysis · Mathematics 2021-02-17 M. R. Formica , E. Ostrovsky , L. Sirota

The relationship between the operator norms of fractional integral operators acting on weighted Lebesgue spaces and the constant of the weights is investigated. Sharp boundsare obtained for both the fractional integral operators and the…

Classical Analysis and ODEs · Mathematics 2012-05-08 Michael Lacey , Kabe Moen , Carlos Perez , Rodolfo H. Torres

In this paper we introduce Lipschitz spaces with respect to the Gaussian measure, and study the boundedness of the fractional integral and fractional derivative operators on them.The methods are general enough to provide alternative proofs…

Classical Analysis and ODEs · Mathematics 2012-02-28 A. Eduardo Gatto , Wilfredo Urbina

We study the problem of nonparametric estimation of the fractional derivative of unknown distribution function and of spectral function and show that these problems are well posed when the order of derivative is less than 0.5. We prove also…

Statistics Theory · Mathematics 2014-12-23 E. Ostrovsky , L. Sirota

We extend the classical Hardy-Sobolev-Poincare-Wirtinger inequalities from the ordinary Lebesgue-Riesz spaces into the Grand Lebesgue ones, with exact constants evaluation.

Functional Analysis · Mathematics 2022-06-06 M. R. Formica , E. Ostrovsky , L. Sirota

We derive bilateral estimates for the constants appearing in the Fourier transform restricted theorems on the Euclidean sphere for the ordinary and especially radial functions belonging to the Lebesgue-Riesz spaces as well as belonging to…

Classical Analysis and ODEs · Mathematics 2021-10-07 M. R. Formica , E. Ostrovsky , L. Sirota

We extend in this article the classical Sobolev inequalities for the module of continuity for the functions belonging to the integer order Sobolev's space on the Sobolev-Bilateral Grand Lebesgue spaces. As a consequence, we deduce the…

Functional Analysis · Mathematics 2013-01-03 E. Ostrovsky , L. Sirota

We derive criteria governing two-weight estimates for multilinear fractional integrals and appropriate maximal functions. The two and one weight problems for multi(sub)linear strong fractional maximal operators are also studied; in…

Functional Analysis · Mathematics 2014-08-01 Vakhtang Kokilashvili , Mieczyslaw Mastylo , Alexander Meskhi

In recent years, the theory for Leibniz integral rule in the fractional sense has not been able to get substantial development. As an urgent problem to be solved, we study a Leibniz integral rule for Riemann-Liouville and Caputo type…

Classical Analysis and ODEs · Mathematics 2020-12-22 Ismail T. Huseynov , Arzu Ahmadova , Nazim I. Mahmudov

We generalize in this short paper the classical Luzin's theorem about existence of integral on the measurable function and its multidimensional analogues on the many popular classes of rearrangement invariant (r.i.) spaces, namely, on the…

Functional Analysis · Mathematics 2015-02-12 E. Ostrovsky , L Sirota

In this paper we obtain the non - asymptotic estimations for Riesz's and Bessel's potential integral operators in the so - called Bilateral Grand Lebesgue Spaces. We also give examples to show the sharpness of these inequalities.

Functional Analysis · Mathematics 2009-07-21 E. Ostrovsky , E. Rogover , L. Sirota

The classical fields with fractional derivatives are investigated by using the fractional Lagrangian formulation.The fractional Euler-Lagrange equations were obtained and two examples were studied.

High Energy Physics - Theory · Physics 2009-11-11 D. Baleanu , S. Muslih

The goal of this paper is to extend the classical and multiplicative fractional derivatives. For this purpose, it is introduced the new extended modified Bessel function and also given an important relation between this new function…

Classical Analysis and ODEs · Mathematics 2017-03-14 Ali Ozyapici , Yusuf Gurefe , Emine Missirli
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