Quadratic eigenvalue problems in acoustics
Abstract AuthorsA.C. Muresan Tiberiu Popoviciu Institute of Numerical Analysis Romanian Academy Keywords? Paper coordinatesA.C. Mureṣan, Quadratic eigenvalue problems in acoustics, SIVA…
works
On the significance of integral properties of orbits in some superlinear fixed-period problems
Abstract AuthorsC.I. Gheorghiu Tiberiu Popoviciu Institutre of Numerical Analysis, Romanian Academy A. Mureşan Tiberiu Popoviciu Institutre of Numerical Analysis, Romanian…
Sequences of linear operators related to Cesàro-convergent sequences
Abstract Given a Cesaro-convergent sequence of real numbers \((a_{n}% )_{n\in \mathbb{N}}\), a sequence \((\varphi_{n})_{n\in \mathbb{N}}\) of operators is defined on…
On the Chebyshev method, with numerical applications to the eigenpair problem
Abstract AuthorsI. Păvăloiu (Tiberiu Popoviciu Institute of Numerical Analysis) Ion Păvăloiu Emil Cătinaş (Tiberiu Popoviciu Institute of Numerical Analysis) Emil…
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…
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 Keywords? Paper coordinatesD. Otrocol, Data dependence for the solution of a Lotka-Volterra…
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…