10 citations · 22 across the 19 of their papers we have counts for
22 papers
Vulnerability of multilayer network systems to system-wide lesions
Olexandr Polishchuk, Dmytro Polishchuk
On the basis of structural and flow models of multilayer network system (MLNS), the main structural and functional importance indicators of separate layers in the process of inters…
Protection of multilayer network systems from targeted group attacks
Olexandr Polishchuk, Dmytro Polishchuk
The main types of simultaneous targeted group attacks on complex network systems and processes of intersystem interactions are discussed in the article. On the basis of structural…
Communities detection in complex network and multilayer network systems: A flow approach
Olexandr Polishchuk
A flow approach to community detection in complex network and multilayer network systems is proposed. Two methods have been developed to search for communities in a network system…
Flow model of intersystem interactions and influence of components of multilayer network systems
Olexandr Polishchuk
The approach to decomposition of multidimensional network systems on monoflow multilayer network systems (MLNS) is proposed, which significantly simplifies the analysis of intersys…
Strategies for protecting of multilayer networks from group and system-wide targeted attacks
Olexandr Polishchuk
On the basis of structural model of intersystem interactions, the main local and global structural characteristics of nodes of the multilayer network (MLN) are determined. The noti…
About group and system-wide lesions of complex network systems and intersystem interactions
Olexandr Polishchuk
The main types of negative internal and external influences on complex network systems (NS) and intersystem interactions in monoflow partially overlapped multilayer network systems…
Aggregate-networks and p-cores of monoflow partially overlapped multilayer systems
Olexandr Polishchuk
The paper introduces a number of structural and functional features of classification of multilayer networks (MLN), by means of which distinguish monoflow partially overlapped MLN,…
Information and evaluation models of complex hierarchical network systems
Olexandr Polishchuk, Mykhailo Yadzhak
The problem of selection, storage, search and analysis of information about the state, functioning and interaction of elements of complex hierarchical network systems is considered…
Models and methods of complex evaluation of complex network and hierarchically network systems
Olexandr Polishchuk
The flow models of complex network system are developed and main flow characteristics of its elements are defined. Those characteristics are applied for determining actual structur…
Isolated zones and granulation of complex network systems
Olexandr Polishchuk
The problem of blocking certain areas of network systems and their boundary case, which is the granulation of network to a set of isolated zones, is investigated in the article. Th…
Flow approaches to community detection in complex network systems
Olexandr Polishchuk
The paper investigates the problem of finding communities in complex network systems, the detection of which allows a better understanding of the laws of their functioning. To solv…
About Three Dimensional Double-Sided Dirichlet and Neumann Boundary Value Problems for the Laplacian
Olexandr Polishchuk
The orthogonality of Hilbert spaces whose elements can be represented as simple and double layer potentials is determined. Conditions of well-posed solvability of integral equation…
About Three Dimensional Jump Boundary Value Problems for the Laplacian
Olexandr Polishchuk
The conditions of well-posed solvability of searched function and its normal derivative three dimensional jump problem for the Laplacian and equivalent to them integral equation sy…
Influence and Betweenness in Flow Models of Complex Network Systems
Olexandr Polishchuk
This paper provides the analysis for functional approaches of complex network systems research. In order to study the behavior of these systems the flow adjacency matrices were int…
About Network Structures and Systems Complexity
Olexandr Polishchuk
This paper provides the analysis for structural and functional approaches of complex network systems research. In order to study the behavior of these systems the flow adjacency ma…
About convergence of projection methods for solution of some Fredholm integral equations of the first kind
Olexandr Polishchuk
This article is dedicated to research of approximation properties of B-splines and Lagrangian finite elements in Hilbert spaces of functions defined on surfaces in three-dimensiona…
Flow Characteristics and Cores of Complex Network and Multiplex Type Systems
Olexandr Polishchuk
Subject of research is complex networks and network systems. The network system is defined as a complex network in which flows are moved. Classification of flows in the network is…
Issues of Regional Development and Evaluation Problems
Olexandr Polishchuk, Dmytro Polishchuk, Maria Tyutyunnyk +1
Region of the country is treated as an open megasystem that consists of many interconnected complex network systems. Classification of such systems on the basis of ordered motion o…
Big Data Processing in Complex Hierarchical Network Systems
Olexandr Polishchuk, Dmytro Polishchuk, Maria Tyutyunnyk +1
This article covers the problem of processing of Big Data that describe process of complex networks and network systems operation. It also introduces the notion of hierarchical net…
Aggregated evaluation of operation quality of complex hierarchical network systems
Olexandr Polishchuk
The main approaches for the formation of generalized conclusions about operation quality of complex hierarchical network systems are analized. Advantages and drawbacks of the "weak…
About Evaluation of Complex Dynamical Systems
Dmytro Polishchuk, Olexandr Polishchuk
The methods are proposed for evaluation of complex dynamical systems, choice of their optimal operating modes, determination of optimal operating system from given class of equival…
Complex Evaluation of Hierarchically-Network Systems
Dmytro Polishchuk, Olexandr Polishchuk, Mykhailo Yadzhak
Methods of complex evaluation based on local, forecasting, aggregated, and interactive evaluation of the state, function quality, and interaction of complex system's objects on the…