The use of mathematical methods in economic analysis is the most important direction for improving management systems. Mathematical methods speed up economic analysis, increase the accuracy of calculations and take into account the impact on productivity.

Consideration of mathematical modeling of the immune system in the process of disease with the immunodeficiency virus without treatment. Investigation of the dynamics of infection. Evaluation of the rate of reproduction of the virus in the blood.

The impact of globalization and the expansion of international trade in the LDCs. The definitions of the mechanism by which these factors lead to a weakening of LDC institutions with a low level of technology, which can not absorb the advanced technology.

The mathematical model of free market of three goods in the conditions of supply lag in the interval of discrete time with market parameters, demand vector and initial conditions is considered. The dynamics of allowable profit of the seller is obtained.

Сonsidered and characteristic the process of evolution and prospects of mathematical methods and models in economic research. The prospects of the synergetic direction as a basic direction in modern economic and mathematical modeling are revealed.

Econometric approaches to modeling censored demand - a tool that is used to obtain consistent and unbiased parameter estimates. The neglect of censored data when building a forecast - a significant lack of demand analysis by machine learning methods.

Analysis of the reasons of cyclic crises of economic systems. Analysis of the stages of technological potential of economic safety of the enterprise. Study of mivar technologies for design technical and technological potential of economic security.

Suggests an approach to the creation of the semantic and ontological model of knowledge of technical and technological potential of economic security of an enterprise. Offered to use mivar technologies to design technical potential of economic security.

The phenomenon of corruption. The problems of evaluation methodology and features of volumes and directions of development of corruption at the country level. The model of corruption interrelations between unemployment, competence and productivity.

Transformation of model equations and analysis. The mathematical model that explores the dynamics of the impact of the use of condom and therapeutic treatment simultaneously. Nonlinear differential equation system consisting in groups of the population.

Mathematical model of effect of non-compliance with the prevention of HIV among a heterogeneous population based on known model by Kimbir et al. The effectiveness of a condom use and implications of non-compliance with a population of preventive measures.

The trends of strategic delegation, R&D and product differentiation. The authors distinguish between two kinds of delegation: partial and full delegation, in the context of both spillovers and product differentiation endogenously determined by firms.

Построение полного класса PHI-функций для моделирования отношения включения объектов, имеющих форму цилиндра, параллелепипеда, правильной призмы и шара в цилиндрический, параболоидный контейнер. Описание ограничения включения в аналитическом виде.

Methods of identification, evaluation, treatment and monitoring of operational risk have been generalized and systematized. The methodology for decision support system of operational risk management based on Bayesian techniques has been developed.

The predicting unobserved station-level demand for bicycles using both data mining techniques and stochastic modelling. Development of public bike-sharing systems, stochastic modelling of bicycle-sharing systems. Realization of peak detection heuristic.

Investigation of the perception of residents’ on willingness to pay for water supply in the study area with the use of regression analysis. The determination of the key factors influencing residents’ willingness to pay for water supply in Nigeria.

Discuss a number of procedures that are designed for testing the specification of econometric models, concerned with the numerical properties of these OLS estimates and refer to certain properties of estimates as "numerical" if they have nothing to do.

Сущность модели процесса, изображаемого S-образной (логистической) кривой на примере жизненного цикла товара. Учет явлений, называемых "сопротивление среды", при построении прогнозов. Примеры процессов, хорошо подчиняющихся S-образной модели развития.

Effective forecasting of the economy - one of the most urgent scientific, political and social problems. Presenting several scenarios of forecasts considering different changes in separate parameters like the crucial functions of economic modeling.

In this study problem of short-term forecasting for coal and crude oil production in Ukraine. Autoregressive and optimal filtering algorithm for linear systems based upon autoregressive model of second order were constructed for short term forecasting.

The method of linear programming (simplex method) as the method of systematic improvement and quality management, in particular the formation of grinding compounds, and the use of the resulting models to predict, control and optimize the process.

The theoretical foundations and applied problems of forecasting of man-made damage to the national economy and methods of management at the state level. Summary of theoretical principles of application of fuzzy sets as an effective mathematical tool.

Carrying out of econometric analysis by means of panel data models of the volume of innovative goods, works and services in the Russian Federation. The dependence on the number of personnel involved in scientific research and the internal expenses.

Transition from linear to non-linear knowledge. Strengthening structural dysfunctions of complex social and man-made natural systems. Forms of "collateral damage". Reliable knowledge of complex risks and vulnerabilities based on better futures models.

The models for calculating the number of buses of different types depending on the variable passenger time and a specified interval of vehicles. The analysis of the influence of the speed of vehicles on the total costs of motor transport enterprises.

Electronic virtual markets can serve as an alternative tool for collecting information spread among numerous experts. Two motivation approaches compared via participant's activity represented by both the volume of trades and the number of transactions.

The main principles of public procurement law in Russia. All categories of goods and services. Review strong restrictions that regulate behavior of national customers. Modern problems by the participants of the public procurement system in the country.

Comprehensive professional assessment as an integral part of practical management. Methods of economic and mathematical modeling, which are widely used by appraisers in different countries. Possibility of using economic and mathematical modeling.

The basic concept of defining the availability of urban infrastructure for people with limited mobility. The options to improve algorithm of vehicles equipped to transport people with limited mobility in the logistics system of public passenger transport.

Presentation of two-step recommendation model based on Contrast Analysis and Matrix Factorization techniques which mutually complement each other. Providing brief overview of different Matrix Factorization approaches. Founding Influence search algorithm.