National Repository of Grey Literature 7 records found  Search took 0.00 seconds. 
Financial time series modelling with trend
Studnička, Václav ; Zichová, Jitka (advisor) ; Prášková, Zuzana (referee)
Various models can be used for the analysis of financial time series. This thesis focuses mainly on two models; non-linear trend model and linear trend model. First chapter is theoretial, there is an introduction to the theory of time series and to the autoregressive process. Second chapter is also theoretical and it focuses on a description of both non-linear and linear trend model including derivations of im- portant properties of these models; moreover, it contains theory for the modelling of financial time series and predictions. Last chapter contains simulations of two mentioned models and estimations of their parameters, Wolfram Mathematica is used for all simulations. 1
Special aspects of non-linear time series modelling
Studnička, Václav ; Zichová, Jitka (advisor) ; Hudecová, Šárka (referee)
Various models, such as ARMA and GARCH, are used in the financial time series framework. The purpose of this thesis is to present an alternative for these models which are bilinear time series models. First chapter is theore- tical, there is a short introduction to the theory of time series and ARMA models. Second chapter focuses on theoretical aspects of the simple bilinear model, third chapter presents the theory for general bilinear model in the similiar fashion as for simple model. Last chapter is focused on practical aspects, it contains simulations and examines the properties of estimates based on the presented theory, final part is devoted to the comparison of properties of ARMA models and bilinear models for selected financial data. 1
Financial time series modelling with trend
Studnička, Václav ; Zichová, Jitka (advisor) ; Prášková, Zuzana (referee)
Various models can be used for the analysis of financial time series. This thesis focuses mainly on two models; non-linear trend model and linear trend model. First chapter is theoretial, there is an introduction to the theory of time series and to the autoregressive process. Second chapter is also theoretical and it focuses on a description of both non-linear and linear trend model including derivations of im- portant properties of these models; moreover, it contains theory for the modelling of financial time series and predictions. Last chapter contains simulations of two mentioned models and estimations of their parameters, Wolfram Mathematica is used for all simulations. 1
Annealing of Bi.sub.2./sub.Te.sub.3./sub. thin films prepared by pulsed laser deposition
Pavelka, Martin ; Zeipl, Radek ; Jelínek, Miroslav ; Walachová, Jarmila ; Studnička, Václav
Bi.sub.2./sub.Te.sub.3./sub. thin films were prepared by laser ablation /PLD/ at room temperature and then annealed in argon atmosphere. Anneling is a widely used method of film properties /primarily crystallinity/ improvement. The influence of annealing on transport properties was studied.
Microstructure and phase composition of rapidly solidified Al-Ni-Zr alloys
Verner, J. ; Vojtěch, D. ; Bártová, Barbora ; Gemperle, Antonín ; Studnička, Václav
Aluminium alloys with transition elements prepared by rapid qienchinf methods have tendencies to form nanocrystalline and amorphous structures. These alloys high tensile strength and good stability at higher temperature. Microstructure, phase composition and changes at elevated temperature of AlNi 18.5 and AlNi 17 Zr 1.8 alloys have been investigated in our experimental study.

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2 Studnička, Vladimír
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