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…
works
On the spectral characterization of some numerical methods
Abstract AuthorsCalin-Ioan Gheorghiu Tiberiu Popoviciu Institute of Numerical Analysis Romanian Academy Keywords? Paper coordinatesC.I. Gheorghiu, On the spectral characterization of some…
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…
The power spectrum of series with correlated terms: a model for protein structure and mobility
Abstract AuthorsC. Vamoş Tiberiu Popoviciu Institute of Numerical Analysis, Romanian Academy A. Pop V.V. Morariu Keywords? Paper coordinatesC. Vamoş, A.…
Approximations for transport in heterogeneous media by periodic random fields, ergodicity and related topics
Abstract AuthorsN. Suciu Tiberiu Popoviciu Institue of Numerical Analysis Romanian Academy ,J. P. Eberhard C. Vamoş Tiberiu Popoviciu Institue of…
New technique for proving the equivalence of Mann and Ishikawa iterations
Abstract We show the equivalence bewteen the convergences of Mann andIshikawa iterations dealing with various classes of non-Lipschitzian operators. …
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…