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Opšti tip stabilnosti stohastičkih funkcionalnih diferencijalnih jednačina / General decay stability of stochastic functional differential equations
(Универзитет у Нишу, Природно-математички факултет, 21-07-2014)
In this thesis, pth moment and almost sure stability on a general decay rate for
several types of stochastic functional differential equations were studied. By applying
Razumikhin method and Lyapunov method stability ...
Izračunavanje Hankelove transformacije nizova / Computation of the Hankel transform of sequences
(Универзитет у Нишу, Природно-математички факултет, 29-05-2014)
Hankel determinants (persymmetric, Turan determinants) have
been studying for a long time. Until now, many different
methods for computation of Hankel determinants have been
constructed. Also, those methods are applied on ...
Eksperimenti sa difrakcijom svetlostii njihov značaj za nastavu fizike / Experiments with diffraction of light and their significance for teaching physics
(Универзитет у Нишу, Природно-математички факултет, 2013)
The new set of laboratory practices for school, concerning difraction of
light were presented in this work. Effects of their practical realisation on
students skill level, habits and understanding level were certified ...
Primena homogenih i heterogenih unapređenih oksidacionih procesa za degradaciju tekstilne antrahinonske boje / The use of homogeneous and heterogeneous advanced oxidation processes for degradation of textile anthraquinone dye
(Универзитет у Нишу, Природно-математички факултет, 07-07-2015)
The subject of this dissertation will be to compare the
degradation efficiency of anthraquinone dye Reactive Blue 19
(RB 19) by homogeneous (H2O2/UV, Fe2+/ H2O2 and
Fe2+/H2O2/UV) and heterogeneous (TiO2/UV, TiO2/UV/H2O2
and ...
Parcijalna uređenja određena uopštenim inverzima i anulatorima / Partial orders based on generalized inverses and annihilators
(Универзитет у Нишу, Природно-математички факултет, 05-06-2015)
The dissertation is a contribution in defining and studying
different types of partial orders on rings, particularly on
von Neumann regular and Rickart rings, as well as on the
algebras of bounded operators on Banach and ...
Treniranje strukturnih klasifikatora za različite funkcije gubitaka sa primenom na probleme klasifikovanja sekvenci / Training Structured Classifiers for Different Loss Functions with the Application to Sequence Labeling Problems
(Универзитет у Нишу, Природно-математички факултет, 06-07-2015)
This thesis presents algorithms for training structured classifiers over different loss functions. It introduces a new primal subgradient method for the optimization of average sum loss, several extensions of max-margin ...
Aditivne osobine Drazinovog inverza i Drazinov inverz blok matrica / Additive properties of the drazin inverse and the drazin inverse of block matrices
(Универзитет у Нишу, Природно-математички факултет, 20-02-2015)
In this dissertation, the Drazin inverse of a square complex
matrix is studied. Additive properties of the Drazin inverse are
investigated and some original results are presented. Also,
representations of the Drazin inverse ...
Hemijski i mikrobiološki profil voda iz artešikih bunara na teritoriji Semberije: analiza faktora koji utiču na mobilnost hemijskih zagađivača
(Универзитет у Нишу, Природно-математички факултет, 06-07-2017)
The aim of this PhD thesis was the determination of physicochemical
and microbiological parameters in water from artesian
wells in the region of Semberija. The study also included analysis of
factors which affect the ...
Sinteza katjonskih ligno-celuloznih sorbenata i primena za uklanjanje anjonskih polutanata iz vode
(Универзитет у Нишу, Природно-математички факултет, 10-07-2018)
Тhe aim of this dissertation was the development of new cationic sorbents, based on a modified lignocellulosic precursor (shell of L. vulgaris as a cheap and easily available plant material), intended for the removal of ...
Hemijski sastav, antibakterijska, antioksidativna i genotoksična aktivnost lišajeva Umbilicaria crustulosa (Ach.) Frey, Umbilicaria cylindrica (L.) Delise, Hypogymnia tubulosa (Schaer.) Hav. i Evernia prunastri (L.) Ach.
(Универзитет у Нишу, Природно-математички факултет, 13-11-2019)
Through this doctoral thesis chemical composition of acetone, ether, ethyl acetate and dichloromethane extracts and antioxidant, antibacterial and genotoxic activity of acetone extracts of the lichens Umbilicaria crustulosa ...