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Dive into the research topics where Robert Jankowski is active.

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Featured researches published by Robert Jankowski.


Archive | 2014

Almost Oscillatory Solutions of Second Order Difference Equations of Neutral Type

Robert Jankowski; Ewa Schmeidel

By means of Riccati technique, we establish some new oscillation criteria for difference equations of neutral type in terms of the coefficients. The results are illustrated by examples.


Physica A-statistical Mechanics and Its Applications | 2014

Parameter estimation by fixed point of function of information processing intensity

Robert Jankowski; Marcin Makowski; Edward W. Piotrowski

We present a new method of estimating the dispersion of a distribution which is based on the surprising property of a function that measures information processing intensity. It turns out that this function has a maximum at its fixed point. Fixed-point equation is used to estimate the parameter of the distribution that is of interest to us. The main result consists in showing that only part of available experimental data is relevant for the parameters estimation process. We illustrate the estimation method by using the example of an exponential distribution.


Electronic Journal of Qualitative Theory of Differential Equations | 2014

On the existence of bounded solutions for nonlinear second order neutral difference equations

Marek Galewski; Robert Jankowski; Magdalena Nockowska-Rosiak; Ewa Schmeidel


Discrete and Continuous Dynamical Systems-series B | 2014

Asymptotically zero solution of a class of higher nonlinear neutral difference equations with quasidifferences

Ewa Schmeidel; Robert Jankowski


Opuscula Mathematica | 2014

Oscillatory properties of solutions of the fourth order difference equations with quasidifferences

Robert Jankowski; Ewa Schmeidel; Joanna Zonenberg


arXiv: Dynamical Systems | 2014

Almost Oscillation Criteria for Second-Order Neutral Difference Equations with Quasidifferences

Robert Jankowski; Ewa Schmeidel


Discrete and Continuous Dynamical Systems-series B | 2017

Monotonic solutions of a higher-order neutral difference system

Robert Jankowski; Barbara Łupińska; Magdalena Nockowska-Rosiak; Ewa Schmeidel


Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu | 2016

Analiza porozumienia końcowego w negocjacjach elektronicznych w kontekście zgodności systemu oceny ofert negocjatora z informacją preferencyjną/ Analyzing the negotiation agreements in a context of concordance of negotiation offer scoring systems with negotiators’ preferential information.

Ewa Roszkowska; Tomasz Wachowicz; Robert Jankowski


Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu | 2016

Analiza porozumienia końcowego w negocjacjach elektronicznych w kontekście zgodności systemu oceny ofert negocjatora z informacją preferencyjną

Ewa Roszkowska; Tomasz Wachowicz; Robert Jankowski


Archive | 2016

Analiza porozumienia końcowego w negocjacjach elektronicznych w kontekście zgodności systemu oceny ofert negocjatora z informacją preferencyjną. Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu = Research Papers of Wrocław University of Economics, 2016, Nr 446, s. 187-206

Ewa Roszkowska; Tomasz Wachowicz; Robert Jankowski

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Ewa Schmeidel

University of Białystok

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Ewa Roszkowska

University of Białystok

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Tomasz Wachowicz

University of Economics in Katowice

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Marek Galewski

Lodz University of Technology

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