Search Results - "Lytvyn, O."
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1
Analysis of the Results of a Computing Experiment to Restore the Discontinuous Functions of Two Variables Using Projections. III
Published in Cybernetics and systems analysis (01-05-2022)“…This article continues a series of publications under the same name. It performs further improvement of the method for restoring discontinuous functions of two…”
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2
Analysis of the Results of a Computing Experiment to Restore the Discontinuous Functions of Two Variables Using Projections. II
Published in Cybernetics and systems analysis (2022)“…This article continues a series of publications under the same name. It performs further improvement of the method for recovering discontinuous functions of…”
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3
Analysis of the Results of a Computing Experiment to Restore the Discontinuous Functions of Two Variables Using Projections. I
Published in Cybernetics and systems analysis (01-09-2021)“…The authors provide the main statements of the method of approximation of discontinuous functions of two variables that describe an image of the surface of a…”
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4
Low-temperature Raman studies of graphene oxide: Analysis of structural properties
Published in AIP advances (01-02-2024)“…This work is devoted to the low-temperature Raman studies of a bright representative of 2D materials—graphene oxide (GO) film in the range of 5–325 K. The…”
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5
Photoluminescent MoS2 quantum dots surrounded by nucleotides: an experimental and theoretical study
Published in Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology (01-10-2024)“…In recent years, the use of biomolecules as dispersants for the preparation of 2D nanomaterials by direct liquid-phase exfoliation (LPE) using ultrasonication…”
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6
Delayed gastric emptying after pancreaticoduodenectomy
Published in Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.] (01-07-2021)Get full text
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Stress State of an Elastic Body with Rigid Inclusion in the Form of a Broken Line Under Harmonic Wave Loads
Published in Journal of mathematical sciences (New York, N.Y.) (01-05-2022)“…We solve the problem of determination of the stress state formed in the vicinity of a tunnel rigid inclusion with cross section in the form of a broken line…”
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8
Solving the Biharmonic Plate Bending Problem by the Ritz Method Using Explicit Formulas for Splines of Degree 5
Published in Cybernetics and systems analysis (01-11-2018)“…An algorithm is presented to solve the biharmonic problem for clamped plate by the Ritz method, with the use of explicit formulas for splines of degree 5 on a…”
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Estimating the Structure of a Discontinuous Layer by Tomographic Methods
Published in Cybernetics and systems analysis (01-05-2019)“…The method of constructing a mathematical model of the internal structure of the geological environment is considered for the case, where the function that…”
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10
Error Optimization in the Operators of Interlineation of Functions on M Parallel Lines
Published in Cybernetics and systems analysis (01-03-2021)“…The authors discuss the issue of estimating the error and optimizing the choice of parameters in Hermitian-type operators of interlineation of functions on a…”
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11
Characterization of SiCN thin films: Experimental and theoretical investigations
Published in Thin solid films (31-10-2014)“…Silicon carbon nitride (SiCN) thin films were deposited by plasma-enhanced chemical vapor deposition using hexamethyldisilazane at different nitrogen flow…”
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12
Photoluminescence spectra of nanocrystalline ZnO films obtained by magnetron deposition technique
Published in Journal of materials science. Materials in electronics (01-03-2024)“…In this article, the influence of the duration of high-temperature ( T = 800 °C) annealing on the transformation of the defective structure and the morphology…”
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13
Optimization of Parameters in the Generalized D’alembert Formula for a Function of Two Variables
Published in Cybernetics and systems analysis (01-07-2021)“…The authors consider classes of functions that can be exactly reconstructed using the D’Alembert formula generalized by O. M. Lytvyn in 1989. This formula as a…”
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14
Generalized Interstripation of Functions of Two Variables
Published in Cybernetics and systems analysis (01-05-2018)“…Available inpainting methods for recovering of damaged images are overviewed. The interstripation operators for image recovery are given for the case where…”
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15
Approximate Calculation of Triple Integrals of Rapidly Oscillating Functions with the Use of Lagrange Polynomial Interflation
Published in Cybernetics and systems analysis (01-05-2014)“…The authors consider the cubature formula for the approximate calculation of triple integrals of rapidly oscillating functions by using Lagrange polynomial…”
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16
Holographic and e-Beam Image Recording in Ge5As37S58–Se Nanomultilayer Structures
Published in Nanoscale research letters (01-12-2016)“…Processes of e-beam and holographic recording of surface relief structures using Ge 5 As 37 S 58 –Se multilayer nanostructures as registering media were…”
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Surface relief formation in Ge5As37S58–Se nanomultilayers
Published in Journal of non-crystalline solids (01-02-2015)“…For the first time direct one-step relief formation of holographic grating with the use of amorphous chalcogenide nanomultilayers of new composition based on…”
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18
New Information Operators in Mathematical Modeling (A Review)
Published in Cybernetics and systems analysis (01-02-2018)“…The methods of constructing mathematical models of processes, phenomena, and objects with the use of information about them at objects that generalize points…”
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19
Endoscopic palliation of unresectable periampullary tumors
Published in HPB (Oxford, England) (01-04-2016)Get full text
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Endoscopic management of bile duct strictures
Published in HPB (Oxford, England) (01-04-2016)Get full text
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