Zobrazeno 1 - 10
of 871
pro vyhledávání: '"G. Ramm"'
Autor:
Alexander G. Ramm
Publikováno v:
AIMS Mathematics, Vol 7, Iss 10, Pp 19287-19291 (2022)
Let $ D $ be a bounded domain in $ {{\mathbb R}}^3 $ with a closed, smooth, connected boundary $ S $, $ N $ be the outer unit normal to $ S $, $ k > 0 $ be a constant, $ u_{N^{\pm}} $ are the limiting values of the normal derivative of $ u $ on $ S $
Externí odkaz:
https://doaj.org/article/ab1c9764bf294951a643ac4e2acaec65
Autor:
Nguyen S. Hoang, Alexander G. Ramm
Publikováno v:
Contributions to Mathematics, Vol 3, Pp 1-10 (2021)
Externí odkaz:
https://doaj.org/article/c7b1398d423a459a95df9d7d91795cba
Autor:
Alexander G. Ramm
Publikováno v:
Contributions to Mathematics, Vol 2, Pp 47-54 (2020)
Externí odkaz:
https://doaj.org/article/ac1cc42d674d4311a59663607b6f24bd
Autor:
Alexander G. Ramm
Publikováno v:
Axioms, Vol 11, Iss 8, p 371 (2022)
Let D be a connected bounded domain in R2, S be its boundary, which is closed and C2-smooth. Consider the Dirichlet problem Δu=0inD,u|S=h, where h∈L1(S). The aim of this paper is to prove that the above problem has a solution for an arbitrary h∈
Externí odkaz:
https://doaj.org/article/9ca59a2704dd4cffac8c2d11c8570b31
Autor:
Alexander G. Ramm
Publikováno v:
Reports on Mathematical Physics. 90:193-202
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::482b89458b39447b22431b255d6131c2
https://doi.org/10.1016/s0034-4877(22)00065-9
https://doi.org/10.1016/s0034-4877(22)00065-9
Autor:
Alexander G. Ramm
Publikováno v:
Symmetry, Vol 13, Iss 12, p 2240 (2021)
The results of this paper allow one to derive several results of general interest: to prove the Schiffer’s conjecture, to solve the Pompeiu problem, to prove two symmetry results in harmonic analysis and to give a new method for solving an old symm
Externí odkaz:
https://doaj.org/article/c46bc1cb85044493b3563cd26ae5f182
Autor:
Alexander G Ramm
This book contains a novel theory of random fields estimation of Wiener type, developed originally by the author and presented here. No assumption about the Gaussian or Markovian nature of the fields are made. The theory, constructed entirely within
Autor:
Alexander G Ramm
This book presents analytical formulas which allow one to calculate the S-matrix for the acoustic and electromagnetic wave scattering by small bodies or arbitrary shapes with arbitrary accuracy. Equations for the self-consistent field in media consis
Autor:
Alexander G. Ramm
Publikováno v:
Axioms, Vol 10, Iss 2, p 95 (2021)
The aim of this paper is to explain for broad audience the author’s result concerning the Navier–Stokes problem (NSP) in R3 without boundaries. It is proved that the NSP is contradictory in the following sense: if one assumes that the initial dat
Externí odkaz:
https://doaj.org/article/73b30ed8a1b248eea17e5833e5e2ce14
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