Pseudospectrum

Known as: Spectrum (disambiguation) 
In mathematics, the pseudospectrum of an operator is a set containing the spectrum of the operator and the numbers that are "almost" eigenvalues… (More)
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Papers overview

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2017
2017
The ε -pseudospectrum Λε (a) of an element a of an arbitrary Banach algebra A is studied. Its relationships with the spectrum and… (More)
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2014
2014
Estimating the geometric and reflective properties of the environment is important for a wide range of applications of space-time… (More)
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2012
2012
This paper presents a novel model-based method for in-situ estimation of sound reflection coefficients in acoustic enclosures… (More)
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2011
2011
Dedicated to Professor Hans Schneider. Abstract The interplay between the algebraic and analytic properties of a matrix and the… (More)
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2008
2008
  • NILS DENCKER
  • 2008
In this paper we shall study the pseudospectrum or spectral instability of quadratic nonselfadjoint semiclassical systems of… (More)
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Highly Cited
2008
Highly Cited
2008
Fitting data by a bounded complexity linear model is equivalent to low-rank approximation of a matrix constructed from the data… (More)
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2005
2005
We investigate the behavior of eigenvalues under structured perturbations. We show that for many common structures such as… (More)
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Highly Cited
2004
Highly Cited
2004
The regional ocean modelling system (ROMS) is a new generation ocean general circulation model that is rapidly gaining favour in… (More)
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2002
2002
We define and evaluate the normwise backward error and condition numbers for the multiparameter eigenvalue problem (MEP). The… (More)
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2001
2001
The construction of an accurate approximation of the-pseudospectrum of a matrix by means of the standard grid method is a very… (More)
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