460 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National Academy of Sciences of UkraineUA46 papers
- Bogolyubov Institute for Theoretical PhysicsUA36 papers
- Institute of PhysicsPL31 papers
- Taras Shevchenko National University of KyivUA21 papers
- Institute of MagnetismUA16 papers
- Institute for Information RecordingUA13 papers
- Clarkson UniversityUS12 papers
- FZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicCZ12 papers
- Institute of MathematicsPL12 papers
- Frantsevich Institute for Problems in Materials ScienceUA11 papers
- Institute for Nuclear ResearchRU9 papers
- Johannes Gutenberg University MainzDE8 papers
22 papers · 1 filter
Analysis of effectiveness of thresholding in perfusion ROI detection on T2-weighted MR images with abnormal brain anatomy
Svitlana Alkhimova, Svitlana Sliusar
The brain perfusion ROI detection being a preliminary step, designed to exclude non-brain tissues from analyzed DSC perfusion MR images. Its accuracy is considered as the key facto…
Static spherically symmetric configurations with N non-linear scalar fields: global and asymptotic properties
V. I. Zhdanov, O. S. Stashko
In case of a spherically symmetric non-linear scalar field (SF) in flat space, besides singularity at the center, spherical singularities can occur for non-zero values of radial va…
Two photon exchange in elastic electron scattering off hadronic systems
Dmitry Borisyuk, Alexander Kobushkin
In the present review we discuss different aspects of the two-photon exchange (TPE) physics in elastic scattering, at high as well as at low . The imaginary part of…
Impact of perfusion ROI detection to the quality of CBV perfusion map
Svitlana Alkhimova
The object of research in this study is quality of CBV perfusion map, considering detection of perfusion ROI as a key component in processing of dynamic susceptibility contrast mag…
Hybrid Magnetoacoustic Metamaterials for Ultrasound Control
O. S. Latcham, Y. I. Gusieva, A. V. Shytov +2
We propose a class of metamaterials in which propagation of acoustic waves is controlled magnetically through magnetoelastic coupling. The metamaterials are formed by a periodic ar…
On the Whittle estimator for linear random noise spectral density parameter in continuous-time nonlinear regression models
A. V. Ivanov, N. N. Leonenko, I. V. Orlovskyi
A continuous-time nonlinear regression model with Lévy-driven linear noise process is considered. Sufficient conditions of consistency and asymptotic normality of the Whittle estim…
Multivaluedness Aspects in Self-organization, Complexity and Computations Investigations by Strong Anticipation
Alexander Makarenko
Since the introduction of strong anticipation by D.~Dubois the numerous investigations of concrete systems have been proposed. In proposed paper the new examples of discrete dynami…
Brain Tissues Segmentation on MR Perfusion Images Using CUSUM Filter for Boundary Pixels
S. M. Alkhimova, A. P. Krenevych
The fully automated and relatively accurate method of brain tissues segmentation on T2-weighted magnetic resonance perfusion images is proposed. Segmentation with this method provi…
Analytical description of the size effect on pyroelectric and electrocaloric properties of ferroelectric nanoparticles
Anna N. Morozovska, Eugene A. Eliseev, Maya D. Glinchuk +7
Using Landau-Ginzburg-Devonshire theory and effective medium approximation, we analytically calculate typical dependences of the pyroelectric and electrocaloric coefficients on ext…
Controlling acoustic waves using magnetoelastic Fano resonances
O. S. Latcham, Y. Gusieva, A. V. Shytov +2
We propose and analyze theoretically a class of energy-efficient magneto-elastic devices for analogue signal processing. The signals are carried by transverse acoustic waves while…
Method of Self-Similar Load Balancing in Network Intrusion Detection System
Dmytro Ageyev, Lyudmyla Kirichenko, Tamara Radivilova +3
In this paper, the problem of load balancing in network intrusion detection system is considered. Load balancing method based on work of several components of network intrusion det…
Convergence of point processes associated with coupon collector's and Dixie cup problems
Andrii Ilienko
We prove that, in the coupon collector's problem, the point processes given by the times of -th arrivals for coupons of each type, centered and normalized in a proper way, conve…
Theoretical method for calculation of effective properties of composite materials with reconfigurable microstructure: electric and magnetic phenomena
Andrei Snarskii, Denis Zorinets, Mikhail Shamonin +1
We propose a theoretical approach for calculating effective electric and magnetic properties of composites with field-dependent restructuring of the filler. The theory combines the…
On cross-correlogram IRF's estimators of two-output systems in spaces of continuous functions
Irina Blazhievska, Vladimir Zaiats
In this paper, single input--double output linear time-invariant systems are studied. Both components of system's impulse response function (IRF) are supposed to be real-valued and…
Forecasting Time Series for Power Consumption Data in Different Buildings Using the Fractional Brownian Motion
V. Bondarenko, Simona Petrakieva, Ina Taralova +1
In the present paper will be discussed the problem related to the individual household electric power consumption of objects in different areas-industry, farmers, banks, hospitals,…
Goos-Hanchen Shift of a Spin-Wave Beam at the Interface Between Two Ferromagnets
M. Mailyan, P. Gruszecki, O. Gorobets +1
Spin waves are promising information carriers which can be used in modern magnonic devices, characterized by higher performance and lower energy consumption than presently used ele…
Effect of resonant impurity scattering of carriers on Drude peak broadening in uniaxially strained graphene
V. O. Shubnyi, Y. V. Skrypnyk, S. G. Sharapov +1
An explanation is proposed for the recently observed in optical spectra of monolayer graphene giant increase in the Drude peak width under applied uniaxial strain. We argue that th…
Automated Detection of Regions of Interest for Brain Perfusion MR Images
Svitlana M Alkhimova
Images with abnormal brain anatomy produce problems for automatic segmentation techniques, and as a result poor ROI detection affects both quantitative measurements and visual asse…
Existence and uniqueness of monotone wavefronts in a nonlocal resource-limited model
Elena Trofimchuk, Manuel Pinto, Sergei Trofimchuk
We are revisiting the topic of travelling fronts for the food-limited (FL) model with spatio-temporal nonlocal reaction. These solutions are crucial for understanding the whole mod…
Boundary conditions at the interface of finite thickness between ferromagnetic and antiferromagnetic materials
Oksana Busel, Oksana Gorobets, Yuri Gorobets
Systematic approach has been applied to obtain the boundary conditions for magnetization at an interface between ferromagnetic (FM) and antiferromagnetic (AFM) materials in the con…
Propagation of Spin Waves Through an Interface Between Ferromagnetic and Antiferromagnetic Materials
Oksana Busel, Oksana Gorobets, Yuri Gorobets
Boundary conditions for order parameters at an interface between ferromagnetic (FM) and two-sublattice antiferromagnetic (AFM) materials were obtained in the continuous medium appr…
Irreducible Bases and Subgroups of a Wreath Product in Applying to Diffeomorphism Groups acting on the Möbius Band
Ruslan Vyacheslavovich Skuratovskii, Aled Williams
Given a permutational wreath product sequence of cyclic groups we investigate its minimal generating set, minimal generating set for its commutator and some properties of its commu…