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of 110
pro vyhledávání: '"Betcke, T"'
The characterisation of small low conducting inclusions in an otherwise uniform background from low-frequency electrical field measurements has important applications in medical imaging using electrical impedance tomography as well as in geological i
Externí odkaz:
http://arxiv.org/abs/2106.15157
High-intensity focused ultrasound (HIFU) is a promising treatment modality for the non-invasive ablation of pathogenic tissue in many organs. Optimal treatment planning strategies based on high-performance computing methods are expected to form a vit
Externí odkaz:
http://arxiv.org/abs/1910.01011
Publikováno v:
In Applied Mathematical Modelling November 2022 111:94-107
Convolution quadrature (CQ) methods have enjoyed tremendous interest in recent years as an efficient tool for solving time-domain wave problems in unbounded domains via boundary integral equation techniques. In this paper we consider CQ type formulat
Externí odkaz:
http://arxiv.org/abs/1603.01761
Publikováno v:
In Ultrasonics February 2021 110
Autor:
Barnett, A. H., Betcke, T.
The Method of Fundamental Solutions (MFS) is a popular tool to solve Laplace and Helmholtz boundary value problems. Its main drawback is that it often leads to ill-conditioned systems of equations. In this paper we investigate for the interior Helmho
Externí odkaz:
http://arxiv.org/abs/0708.3533
Autor:
Barnett, A. H., Betcke, T.
We report the first large-scale statistical study of very high-lying eigenmodes (quantum states) of the mushroom billiard proposed by L. Bunimovich in this journal, vol. 11, 802 (2001). The phase space of this mixed system is unusual in that it has a
Externí odkaz:
http://arxiv.org/abs/nlin/0611059
Akademický článek
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Publikováno v:
In Journal of Quantitative Spectroscopy and Radiative Transfer December 2015 167:40-52
Autor:
BETCKE, T., SPENCE, E. A.
Publikováno v:
SIAM Journal on Numerical Analysis, 2011 Jan 01. 49(3/4), 1572-1601.
Externí odkaz:
http://dx.doi.org/10.1137/100788483