Differential equations that model electrical circuits
Abstract AuthorsDaniel Anisiu Universitatea Tehnica Cluj-Napoca, Facultatea de Electronica si Telecomunicatii Mira-Cristiana Anisiu Tiberiu Popoviciu Institute of Numerical Analysis Romanian…
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Julia Robinson and Hilbert’s tenth problem
Abstract One of the solved Hilbert’s problems stated in 1900 at the International Congress of Mathematicians in Paris is: Given…
On a combinatorics problem
Abstract We present a problem in arrangements, which was solved in 1934 by M. H. Martin in a constructive way,…
Vera Rubin and the hypothesis of dark matter existence
Abstract Our solar system belongs to the Milky Way galaxy. The fact that there exist other galaxies is known since…
Data dependence for the solution of a Lotka-Volterra system with two delays
Abstract AuthorsDiana Otrocol “Babes-Bolyai” University Department of Applied Mathematics Diana Otrocol Keywords? Paper coordinatesD. Otrocol, Data dependence for the solution of…
Iterative functional-differential system with retarded argument
Abstract Existence, uniqueness and data dependence results of solution to theCauchy problem for iterative functional-differential system with delays are ob-tained…
Differentiability with respect to a parameter for a Lotka-Volterra system with delays, via step method
Abstract In this paper, using the step method, we establish the differentiability with respect to parameter for a Lotka-Volterra system…
Differentiability with respect to delays for a Lotka-Volterra system
Abstract AuthorsD.Otrocol Tiberiu Popoviciu In stitute of Numerical Analysis Romanian Academy Diana Otrocol Keywords? Paper coordinatesD. Otrocol, Differentiability with respect to…
Classical results via Mann-Ishikawa iteration
Abstract New proofs of existence and uniqueness results for the solution of the Cauchy problem with delay are obtained by…
Fluctuations of light scattered on human erythrocytes – a statistical analysis
Abstract Coherent light scattered on erythrocytes suspensions shows complex fluctuations related to the unpredictable movement of cells. A numerical algorithm…