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We consider here the problem of tracking the dominant eigenspace of an indefinite matrix
by updating recursively a rank k approximation of the given matrix. The tracking uses a
window of the given matrix, which increases at every step of the algorithm. Therefore, the
rank of the approximation… |
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In this paper the definition of semiseparable matrices is investigated. Properties of the frequently used
definition and the corresponding representation by generators are deduced. Corresponding to the class
of tridiagonal matrices another definition of semiseparable matrices is introduced… |
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Stabilised dense emulsions display a rich phenomenology connecting microstructure and rheology. In this work, we study how an emulsion with a finite yield stress can be built via large-scale stirring. By gradually increasing the volume fraction of the dispersed minority phase, under the constant… |
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Interleukin-6 (IL-6) has been recently shown to play a central role in glucose homeostasis, since it stimulates the production and secretion of Glucagon-like Peptide-1 (GLP-1) from intestinal L-cells and pancreas, leading to an enhanced insulin response. In resting conditions, IL-6 is mainly… |
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Motivation: Binary (or Boolean) matrices provide a common effective data representation adopted in several domains of computational biology, especially for investigating cancer and other human diseases. For instance, they are used to summarize genetic aberrations--copy number alterations or… |
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The expansion of biological species in natural environments is usually described as the combined effect individual spatial dispersal and growth. In the case of aquatic ecosystems flow transport can also be extremely relevant as an extra, advection induced, dispersal factor. We designed and… |
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The interaction of a Reissner-Nordstro¨m black hole and a charged massive particle is studied in the
framework of perturbation theory. The particle backreaction is taken into account, studying the effect of
general static perturbations of the hole following the approach of Zerilli. The solutions of… |
