Results 21 to 30 of about 11,742,568 (294)
Известия ТИНРО, 2016 Trend significance is evaluated and periodicities are revealed for time series of the sea surface temperature in the North-West Pacific. The dominant periods are selected using Fourier method under the assumption of linear trend existing over ...
Tatyana A. Shatilina +2 more
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Mathematical Simulations of Deformation for the Rotation Shells with Variable Wall Thickness
Journal of Optimization, Differential Equations and Their Applications, 2021 Well-posed boundary value problems are constructed for calculating rotation shells of with a stiffness variable along the meridian in two directions, and also with variable bilateral with respect to the reference surface with the shell wall thickness ...
Aleksandr A. Dzyuba +3 more
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Adaptive Fourier-Galerkin methods
Mathematics of Computation, 2013 We study the performance of adaptive Fourier-Galerkin methods in a periodic box in R d
C. Canuto, R. H. Nochetto, VERANI, MARCO
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Физика волновых процессов и радиотехнические системы, 2019 On the basis of the idea of splitting the process into physical factors, using the Fourier method and the green function apparatus, an algorithm for constructing a new class of solutions to the initial boundary value problems of the theory of drying by ...
A.M. Afanasiev +2 more
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Rayleigh angle incident ultrasonic beam shape design influence on reflected beam
Acta Acustica, 2023 Current evolutions in transducer design, such as phased arrays, but more importantly, metamaterials-based acoustic lenses, potentially enable generating specific beam shapes earlier unconsidered.
Declercq Nico F.
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Karpatsʹkì Matematičnì Publìkacìï, 2020 In this paper we continue to investigate the properties of the problem with nonlocal conditions, which are multipoint perturbations of mixed boundary conditions, started in the first part.
Ya.O. Baranetskij +3 more
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Fourier method in the space of φB - distributions
Учёные записки Казанского университета: Серия Физико-математические науки, 2023 In our previous articles, we introduced and explored the notion of φB -distributions with values in the Banach space. This offers a new perspective on the theory of solvability of linear problems, which is important for solving partial differential ...
V. S. Mokeichev, A. M. Sidorov
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Fourier restriction to polynomial curves I: a geometric inequality [PDF]
, 2010 We prove a Fourier restriction result for general polynomial curves in Rd. Measuring the Fourier restriction with respect to the affine arclength measure of the curve, we obtain a universal estimate for the class of all polynomial curves of bounded ...
Wright, James +5 more
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Математичні Студії, 2020 The spectral properties of the nonself-adjoint problem with multipoint perturbations of the Dirichlet conditions for differential operator of order $2n$ with involution are investigated. The system of eigenfunctions of a multipoint problem is constructed.
Ya.O. Baranetskij +3 more
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Mathematical Modelling and Analysis, 2021 We consider the Mullins’ equation of a single surface grooving when the surface diffusion is not considered as very slow. This problem can be formed by a surface grooving of profiles in a finite space region.
Mansur I. Ismailov
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