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…
(original)
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…
Statistical characteristics of reflectivity field in areas covered by the Bobohalma WSR-98D RADAR
Abstract Bobohalma Doppler radar reflectivity fields are analyzed using data recorded during the September 2003 – August 2005 period. Hourly…
Families of planar orbits in one-variable conservative fields
Abstract We discuss a simple case of the planar inverse problem of Dynamics, considering a one-dimension potential \(V=v(x)\). For the…
Functional-differential equations with maxima of mixed type
Abstract In this paper we study the following second order functional-differential equations with maxima, of mixed type,% \[ -x^{n}\left( t\right)…