Browsing Наукові праці by Title
Now showing items 21-40 of 384
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Bifurcation of tori for parabolic systems of differential equations with small diffusion
(Yuriy Fedkovych Chernivtsi National University, 2024-09)The aim of the present article is to investigate of some properties of quasiperiodic solutions of nonlinear autonomous parabolic systems with the periodic condition. The research is devoted to the investigation of parabolic ... -
BIFURCATION OF TORI FOR PARABOLIC SYSTEMS OF DIFFERENTIAL EQUATIONS WITH WEAK DIFFUSION
(Yuriy Fedkovych Chernivtsi National University, 2023-12-31)The aim of the present article is to investigate of some properties of quasiperiodic solutions of nonlinear autonomous parabolic systems with the periodic condition. The research is devoted to the investigation of parabolic ... -
Blended learning strategy in teacher training programs
(2017)The article examines the implementation of blended learning strategy in teacher training programs as an innovation in online learning. The blended learning idea comes from blending elements which use online technology with ... -
Boundary-Value Problem for Nonuniformly Elliptic Equations with Power Singularities
(Journal of Mathematical Sciences, 2024)By using a priori estimates and the Riesz theorem, we investigate a boundary-value problem for nonuniformly 2b -elliptic equations with arbitrary power singularities in the coefficients of the equation and boundary conditions ... -
Characterization of compact subspaces of the space of separately continuous functions with the cross-uniform topology
(Чернівецький національний університет імені Юрія Федьковича, 2023)Наведена характеристика компактних підпросторів простору нарізно- неперервних функцій з крос-рівномірною топологією -
Classical Solutions of the Equation of Local Fluctuations of Riesz Gravitational Fields and their Properties
(2022)We consider a pseudodifferential equation involving the Riesz operator of fractional differentiation, which is a natural generalization of the well-known equation of fractal diffusion. The fundamental solution of the Cauchy ... -
Compactness and completeness in partial metric spaces
(Topology and its Applications, 2020-02-01)We analyze compactness-like properties of sets in partial metric spaces and obtain the equivalence of several forms of the compactness for partial metric spaces. Moreover, we give a negative answer to a question from [8] ... -
Comparison of data clustering algorithms// Sworld Jornal Issue No23, Part 1 January 2024 – P. 116-127
(Sworld Jornal Issue, 2024-01)У статті проведено порівняння алгоритмів кластеризації даних: K-Means, Hierarchical Agglomerative Clustering (HAC), Density-Based Spatial Clustering of Applications with Noise (DBSCAN), Expectation–Maximization clustering ... -
COMPARISON OF MACHINE LEARNING ALGORITHMS FOR PREDICTING MORTALITY FROM COVID-19 VIRUS
(SWorldJournal, 2022)The article compares the effectiveness of Machine Learning Algorithms on the example of Covid-19 distribution data. The following Machine Learning algorithms are considered: Logistic Regression, Support Vector ... -
Components of ICT competence of teachers of mathematics and informatics
(Information Technologies and Learning Tools, 2019)Nowadays, the competency-based approach is becoming more and more traditional in Ukrainian education for every level – from preschool to postgraduate. Its focus is on two main concepts, “competency” and “competence”, ... -
Construction of stability domains for linear differential equations with delay
(SWorldJournal, 2023-05-31)The aim of the present article is to investigate of solutions stability of linear autonomous differential equations with retarded argument. It is obtained the necessary and sufficient conditions, for all the roots of the ... -
CONSTRUCTION OF STABILITY DOMAINS FOR LINEAR DIFFERENTIAL EQUATIONS WITH SEVERAL DELAYS
(Yuriy Fedkovych Chernivtsi National University, 2022-11-21)The aim of the present article is to investigate of solutions stability of linear autonomous differential equations with retarded argument. The investigation of stability can be reduced to the root location problem for the ... -
Construction of stability domains for linear differential-difference equations
(National Academy of Sciences of Ukraine, 2012-07)We investigate the boundedness conditions and the methods of construction of a stability domain of linear differential equations with several delays. -
Doroshenko I.V. ., Knihnitska T.V. Application of statistical analysis for medical data // International scientific conference «The current stage of development of scientific and technological progress 2024». – SW-GER Conference Proceedings, Fabruary 2024 – P. 15-20
(2024-02)В статтірозглянутовикористання різноманітних статистичних підходів і методів машинного навчання в медицині. Проведено модельний аналіз на прикладі пацієнтів, де визначено фактори, що впливають на ... -
Doroshenko, I., Knihnitska, T., & Kreshtanovych, M. (2024). COMPARISON OF DATA CLUSTERING ALGORITHMS // науково-практична міжнародна конференція «Modern systems of science and education in the USA, EU and other countries '2024». - Sworld-Us Conference Proceedings, 1(usc22-01), P. 32–38
(Sworld-Us Conference Proceedings, 2024-01)У статтіпроведено порівнянняалгоритмів кластеризації даних: K-Means, Hierarchical Agglomerative Clustering (HAC), Density-Based Spatial Clustering of Applications with Noise (DBSCAN), Expectation–Maximization ... -
Doroshenko, I., Knopov, O. & Vovk, L. Mathematical Models of Extreme Modes in Ecological Systems. Cybern Syst Anal 58, 764–779 (2022)
(Springer US, 2022-12-02)The authors consider the basic stages of creating a computer system for decisionmaking support in ecological security. The key factors of environmental pollution caused by ecological and technological catastrophes and ... -
Equi-Baire 1 families of functions
(Elsevier, 2021) -
Evolution pseudodifferential equations with analytic symbols in spaces of s type
(Carpathian Mathematical Publications, 2021)A nonlocal multipoint by time problem for an evolution equation with a pseudodifferential operator is studied. This operator is treated as an infinite order differentiation operator in generalized spaces of S type. We ... -
Evolutionary Pseudodifferential Equations in the Spaces of Generalized Periodic Functions
(Springer, 2021)We prove the correct solvability of the nonlocal multipoint (in time) problem for the evolutionary equation with pseudodifferential operator in the space of generalized periodic functions and an initial function, which is ... -
EVOLUTIONARY PSEUDODIFFERENTIAL EQUATIONS WITH SMOOTH SYMBOLS IN S-TYPE SPACES
(2023-11)We study an evolutionary equation with an operator (i∂/∂x), where φ is a smooth function satisfying certain conditions. As special cases of this equation, we get a partial differential equation of parabolic type with ...