Igor E. Andrushchak

• Professor
• Head of Faculty at Lutsk National Technical University

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All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

The methods of optimization for coefficient determination in the mathematical model of electroretinal signal were analyzed for the task of detecting neurotoxicity risks (identification of neurotoxicants, evaluation of their type, quantitative characteristics, duration of exposure, etc.). A comparison of the computation time was performed for the co...

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

The article compares the results of numerical modeling of mathematical models of cyber-physical biosensor systems using lattice difference equations with time delay on hexagonal and rectangular lattices. The main attention is paid to the mathematical description of the dynamics of a discrete population in combination with the dynamic logic of the s...

This article discusses the key aspects and technologies of applying many cryptanalysis methods for assessing the stability of symmetric block encryption algorithms. The following aspects of analysis methods such as linear, differential, slide attack, algebraic analyzes are also considered. Approaches to the analysis of the AES standard are compared...

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

This article discusses common modern heuristic technologies used in anti-phishing tools and protection methods. An overview of different types of mobile phishing attacks is given, as well as the main methods of detecting and reducing the level of fishing attacks.

All rights reserved. Printed in the United States of America. No part of this publication may be reproduced, distributed, or transmitted, in any form or by any means, or stored in a data base or retrieval system, without the prior written permission of the publisher. The content and reliability of the articles are the responsibility of the authors....

The work focuses on developing a Big Data system allowing us to process medical data intelligently, which are ingested from different sources and of various types. The paper offers the mathematical description of the discrete population dynamics in combination with the dynamic logic of the studied models of the most advanced biosensors as biopixels...

Granulometric characteristics of structurally inhomogeneous materials based on full-scale mounds of a powder mixture of different fractional composition are established. Regularities of backfilling of powder particles of different shapes and sizes are revealed, and changes in the polydispersity of powder particles within each fraction are justified...

The article considers system-wide views on cybersecurity during the digital transformation, highlights the key factors that determine the problems of information systems protection. The corresponding transformation of information security management systems is given. New threats to digital production, their features and channels of influence are co...

The model of interaction of two strains of the virus is considered in the paper. The model is based on a system of differential equations and takes into account populations of susceptible, first-time and re-infected individuals across two strains. The objective of the work was to offer and investigate the model of coexistence of two virus strain fr...

The algorithm of the process of filling the powders of structurally inhomogeneous materials (SIM). Based on the developed computer program for modeling the process of random packaging of various particles of the charge (powder), the structural characteristics of the source material were predicted (aluminum, copper, saponite). Classification of stru...

Використання сучасних комп’ютерних технологій у процесі викладання курсу комп’ютерного моделювання у фармації сприяє формуванню вмінь та навичок в умовах невпинного розвитку комп’ютеризації та впровадженню математичного моделювання у фармації. Зокрема, у статті розглянуто переваги та недоліки застосування математичного моделювання за допомогою COMS...

Consideration is given to the model of immunosensor based on a system of lattice differential equations with delay. The main result of the work is the conditions for the global asymptotic stability of the endemic state. For this purpose we have used Lyapunov functionals method which combines a general approach to constructing Lyapunov functionals f...

Abstract: The work is devoted to construction and stability investigation of immunosensor model. From physical point of view we consider the immunosensor as a two-dimensional biopixels array. That is why the model offered is spatially discrete or lattice one. The model is based on lattice of dynamic equations. These equations are based on some biol...

The paper presents information models of the nursing process through a conceptual presentation, including assessments of the patient's overall condition (nursing interviews, physical assessment, measurement, documentation analysis), nursing diagnosis, nursing care planning, determination of expected results, nursing manipulation, care plan implemen...

The problems dealing with the use of physical models in medical education are investigated. There is presented the approach for software development with possibility of interactive design of anatomic structures. The used software is oriented to the licensed availability and deployment in medical universities.

The model of immunosensor, which is based on the system of latticed differential equations with a delay is offered. The conditions of local asymptotic stability of an endemic state are main result. In this paper, the method of Lyapunov functionals and general approach to their construction, predator-prey models, using lattice differential equations...

Application of package ggplot2 graphics grammar paradigm is shown on the example of medical researches data visualization. This approach offers a flexible instrument for the construction of multi-layered and multipanel charts on the basis of clinical and laboratory researches data.

The work is devoted to presentation of microservices approach for development of information system for emergency medicine. Implementation is based on usage of Spring, Spring Boot and Spring Cloud frameworks.

The work presents our results in field of application of system analysis methods to problem of medical research. We emphasize effects of uncertainty that should be taken into account in such complex processes. Medical system research requires information support system implementing data mining algorithms resulting in decision trees or IF-THEN rules...

There was fulfilled systems analysis of decision making process for systemic medical research. The structure of the system was analysed. There were executed project research with help of UML-tools, allowing to fulfill project and software implementation of decision support system.

Background. Medical system research requires information support system of implementing data mining algorithms resulting in decision trees or IF-THEN rules. Besides that, this system should be object-oriented and web-integrated. Objective. The aim of this study was to develop information support system based on data mining algorithms applied to sys...

Analysis of software implemented direct method of determination of optimal control is done and obtaining of solutions of problems of preventive medicine is shown.

This paper presents a method for constructing exponential estimates in a compartmental system with distributed delays on the basis of the Hale–Lunel inequality and its application. The practical importance of this study is illustrated by a pharmacokinetic model from anesthesiology.

In this work there is developed an approach based on actuarial mathematical models for the problems of health insurance. Models are presented in terms of Kolmogorov and Thiele equations.

The choice of parameters of functional status of organism of pregnant, possibility and value of dynamic diagnostics of weight of preeklampsiya, is in-process examined, on the base of study of indexes of variability rhythm of heart of mother, allowing to get the current estimation of the state of the vegetative nervous system (VNS) of organism of pr...

The authors propose a model of antitumor immunity with impulsive disturbances with respect to the population of proliferating cells. The asymptotic estimates are obtained for solutions of the equations. The estimates are based on impulsive differential inequalities for Lyapunov-type functions.

Physiologically substantiated pharmacokinetic model for nanoparticles was suggested in the form of compartment system of nonlinear differential equations. Method for determination of approximate solutions in explicit form is developed.

SLIAR-model of epidemic of acute respiratory disease has been considered. There have been obtained the conditions of local stability of stationary state corresponding to the absence of disease. Consideration has been also given to the model of coexistence of two virus strains for which there are presented stability conditions for three stationary s...

Two-compartment pharmacokinetic model is offered, in which for description of drug flow between compartments the Michaelis-Menten dynamics and time delay, caused by biological transformations delays, are used. Search of approximated solution of the system of equations is done by the decomposition method based on the Adominian polynomials.

Ethnocentrism is a phenomenon of every ethnic consciousness, and has long attracted the attention of anthropologists, sociologists, and social psychologists who study processes of interaction and mutual influence among ethnic groups [1,2]. Since ethnocentrism in any form has a destructive effect on interethnic conflicts, study of this phenomenon is...