Zobrazeno 1 - 7 of 7 pro vyhledávání: '"Ahmed Loulit"'
1
Akademický článek
On weighted Calderón-Zygmund singular integrals and applications
Autor: Ahmed Loulit
Publikováno v: Journal of Innovative Applied Mathematics and Computational Sciences, Vol 2, Iss 1 (2022)
This paper studies some weighted norm inequalities related to some Calderon-Zygmund singular integrals. Applications to the Sobolev-Gagliardo-Nirenberg inequality, differential forms, and the potential equation du = f are given.
Externí odkaz: https://doaj.org/article/6418f7662c52412da01858d7beffb197
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2
Akademický článek
Lp Smoothness on Weighted Besov–Triebel–Lizorkin Spaces in terms of Sharp Maximal Functions
Autor: Ferit Gürbüz, Ahmed Loulit
Publikováno v: Journal of Mathematics, Vol 2021 (2021)
It is known, in harmonic analysis theory, that maximal operators measure local smoothness of Lp functions. These operators are used to study many important problems of function theory such as the embedding theorems of Sobolev type and description of
Externí odkaz: https://doaj.org/article/26b607c6452e44aeb3baf8517a1fe493
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3
L p Smoothness on Weighted Besov–Triebel–Lizorkin Spaces in terms of Sharp Maximal Functions
Autor: Ahmed Loulit, Ferit Gurbuz
Publikováno v: Journal of Mathematics. 2021:1-9
It is known, in harmonic analysis theory, that maximal operators measure local smoothness of L p functions. These operators are used to study many important problems of function theory such as the embedding theorems of Sobolev type and description of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5d139a0bc0d566d7740af9da420321fd
https://doi.org/10.1155/2021/8104815
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6
Approximating equity volatility
Autor: Ahmed Loulit
The volatility estimation is a crucial problem for pricing derivatives. The traditional implied volatility approach induces the undesired smile effect and is therefore inconsistent with the market reality. A second more realistic approach is due to B
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______645::7ce26176435adcc17e233c9384973e50
https://dipot.ulb.ac.be/dspace/bitstream/2013/53902/1/RePEc_sol_wpaper_04-028.pdf
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7
Asymptotic approximation of the hitting-time and evaluation of a risky bond
Autor: Ahmed Loulit
In this paper, we give an approximation for the density of the first–passage time through a boundary defined by smooth function S(t). The density is a solution of some Voltera integral and admits an expansion of the Neumann-type series, and the err
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______645::c164b030bb3110e88f2962845b0a0405
https://dipot.ulb.ac.be/dspace/bitstream/2013/53903/1/RePEc_sol_wpaper_04-029.pdf
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