Structured pseudospectra in structural engineering [PDF]
, 2005 This paper presents a new method for computing the pseudospectra of a matrix that respects a prescribed sparsity structure. The pseudospectrum is defined as the set of points in the complex plane to which an eigenvalue of the matrix can be shifted by a ...
Wagenknecht, T, Agarwal, J
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A geometrical formulation of the μ-lower bound problem [PDF]
, 2009 A new problem formulation for the structured singular value μ in the case of purely real (possibly repeated) uncertainties is presented. The approach is based on a geometrical interpretation of the singularity constraint arising in the μ lower
Postlethwaite, Ian +5 more
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Trace formulae and singular values of resolvent power differences of self-adjoint elliptic operators [PDF]
, 2013 In this note self-adjoint realizations of second order elliptic differential expressions with non-local Robin boundary conditions on a domain Ω⊂Rn with smooth compact boundary are studied. A Schatten--von Neumann type estimate for the singular values of
Lotoreichik, Vladimir +2 more
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Work, Education and Human Emancipation Humana: Affirming Youth and Adult Education as a right
Education Policy Analysis Archives, 2014 This article discusses the Education of Youth and Adults in Brazil as a right and as a field of studies and political intervention with practices and reflections of distinct or even antagonistic political-pedagogical bases.
Maria Clara Bueno Fischer +1 more
doaj +1 more source
Extreme Singular Values of Random Time-Frequency Structured Matrices [PDF]
, 2019 In this paper, we investigate extreme singular values of the analysis matrix of a Gabor frame $(g, \Lambda)$ with a random window $g$. Columns of such matrices are time and frequency shifts of $g$, and $\Lambda\subset \mathbb{Z}_M\times\mathbb{Z}_M$ is ...
Salanevich, Palina
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Decentralised controller design based on structured singular values
, 2009 In this study, structured singular values are used in a different way from those commonly used in the robust control literature. It is shown that subject to conditions based on structured singular values, each local area controller can be designed ...
Cimen, Hasan
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Sparse Gradient Based Structured Matrix Decomposition for Salient Object Detection
IEEE Access, 2018 In the salient object detection, the given image can be decomposed into background regions (low-rank part) and salient regions (sparse part). In this paper, we present a novel sparse gradient-based structured matrix decomposition model for salient object
Xiaoli Sun +3 more
doaj +1 more source
Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis
FEBS Letters, EarlyView.Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee +7 more
wiley +1 more source
µ−Values for Matrices Corresponding to Symmetries in Control Systems
International Journal of Analysis and Applications, 2018 In this article we consider numerical approximation of structured singular values ($\mu-$values). The lower bounds for $\mu-$values are approximated by using ordinary differential equations based technique.
Mutti-Ur Rehman, M. Fazeel Anwar
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Modelling stem cell differentiation related processes—A practical overview for biologists
FEBS Letters, EarlyView.Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar +4 more
wiley +1 more source