No. 33 (2021): Physico-mathematical modeling and informational technologies, 2021, Issue 33

Articles

• About stability of mixed integer optimization problems under perturbations of input data of vector criterion Fìz.-mat. model. ìnf. tehnol. 2020, 33:7-11

  Tetiana Lebedeva, Natalia Semenova, Tetiana Sergienko (Author)

  7-11

  • pdf (Українська)

• Analysis of the results of a computational experiment to restore the discontinuous functions of two variables using projections Fìz.-mat. model. ìnf. tehnol. 2021, 33:12-17

  Oleg Lytvyn, Oleg Lytvyn, Oleksandra Lytvyn (Author)

  12-17

  • pdf (Українська)

• Chebyshev approximation of the multivariable functions by some nonlinear expressions Fìz.-mat. model. ìnf. tehnol. 2021, 33:18-22

  Petro Malachivskyy (Author)

  18-22

  • pdf (Українська)

• Hadoop solution for large data protection Fìz.-mat. model. ìnf. tehnol. 2021, 33:23-27

  Nataliya Maslova, Olha Polovynka (Author)

  23-27

  • pdf (Українська)

• Security estimates of the NTRUCipher and NTRUCipher+ encryption schemes against BKW-attack Fìz.-mat. model. ìnf. tehnol. 2021, 33:28-32

  Alexandra Matiyko (Author)

  28-32

  • pdf (Українська)

• Chebyshev approximation of functions of two variables by a rational expression with interpolation Fìz.-mat. model. ìnf. tehnol. 2021, 33:33-39

  Lev Melnychok (Author)

  33-39

  • pdf (Українська)

• Advantages and disadvantages of blockchain-based electronic voting systems with homomorphic encryption Fìz.-mat. model. ìnf. tehnol. 2021, 33:40-44

  Demid Migal, Kateryna Isirova (Author)

  40-44

  • pdf (Українська)

• Modeling of an elastic field scattered by an interface defect Fìz.-mat. model. ìnf. tehnol. 2021, 33:45-51

  Zinoviy Nazarchuk, Myron Voytko, Yaroslav Kulynych, Dozyslav Kuryliak (Author)

  45-51

  • pdf (Українська)

• Solving systems of matrix equations of the second degree Fìz.-mat. model. ìnf. tehnol. 2021, 33:52-56

  Anastasiya Nedashkovska (Author)

  52-56

  • pdf (Українська)

• Solving matrix polynomial equations with nested continued fractions Fìz.-mat. model. ìnf. tehnol. 2021, 33:57-61

  Mykola Nedashkovskyy (Author)

  57-61

  • pdf (Українська)

• Quasi-Newtonian methods for modeling of plan curve Fìz.-mat. model. ìnf. tehnol. 2021, 33:62-67

  Alla Nesterenko, Oleksandr Duchenko (Author)

  62-67

  • pdf (Українська)

• Optimal integration of highly oscillating functions in general form Fìz.-mat. model. ìnf. tehnol. 2021, 33:68-72

  Olesia Nechuiviter, Serhii Ivanov, Kyrylo Kovalchuk (Author)

  68-72

  • pdf (Українська)

• The use of neural networks in routing tasks that arise when using unmanned aerial vehicles Fìz.-mat. model. ìnf. tehnol. 2021, 33:73-77

  Maksym Ogurtsov (Author)

  73-77

  • pdf (Українська)

• A necessary condition for CPA-security of randomized symmetric code cryptosystems Fìz.-mat. model. ìnf. tehnol. 2021, 33:78-82

  Anton Alekseychuk, Olha Shevchuk (Author)

  78-82

  • pdf (Українська)

• Generation of general system parameters for Rainbow signature scheme Fìz.-mat. model. ìnf. tehnol. 2021, 33:83-87

  Yelyzaveta Ostrianska, Olha Mirzoieva (Author)

  83-87

  • pdf (Українська)

• Methods for solving the initial value problem with a two-sided estimate of the local error Fìz.-mat. model. ìnf. tehnol. 2021, 33:88-92

  Yaroslav Pelekh, Andrii Kunynets, Halyna Beregova, Tatiana Magerovska (Author)

  88-92

  • pdf (Українська)

• Simulation of nonstationary hydrogen diffusion processes near the crack tip in a field of inhomogeneous mechanical stresses Fìz.-mat. model. ìnf. tehnol. 2021, 33:93-98

  Yaroslav Pelekh, Andrii Kunynets, Serhii Mentynskyi, Bohdan Fil (Author)

  93-98

  • pdf (Українська)

• Approximation of discontinuous functions of three variables by discontinuous interpolation splines Fìz.-mat. model. ìnf. tehnol. 2021, 33:99-104

  Iuliia Pershyna (Author)

  99-104

  • pdf (Українська)

• On the structure of the planar subgraphs of obstruction graphs of a nonorientable surface with a given genus Fìz.-mat. model. ìnf. tehnol. 2021, 33:105-109

  Volodymyr Petrenyuk (Author)

  105-109

  • pdf (Українська)

• Hermitian splines with links in the form of the sum of the polynomial and exponents with an odd number of parameters Fìz.-mat. model. ìnf. tehnol. 2021, 33:110-114

  Yaropolk Pizyur, Bohdan Hnativ (Author)

  110-114

  • pdf (Українська)

• Method and criteria for estimating the emergence and characteristics of architectures of interactive distributed computer and cyberphysical systems Fìz.-mat. model. ìnf. tehnol. 2021, 33:115-121

  Igor Pitukh (Author)

  115-121

  • pdf (Українська)

• Flow approaches to community allocation in complex network systems Fìz.-mat. model. ìnf. tehnol. 2021, 33:122-127

  Olexandr Polishchuk (Author)

  122-127

  • pdf (Українська)

• Analysis of the possibility of using modern packages of computer algebra in the synthesis of crypto-primitives Fìz.-mat. model. ìnf. tehnol. 2021, 33:128-132

  Volodymyr Ponomar, Viktor Onoprienko (Author)

  128-132

  • pdf (Українська)

• On the Efficiency of Algorithms with Multi-level Parallelism Fìz.-mat. model. ìnf. tehnol. 2021, 33:133-137

  Oleksandr Popov, Oleksiy Chystiakov (Author)

  133-137

  • pdf (Українська)

• Theorem about the sufficient condition for the equality of the estimates of the OLS and Aitken of the leading coefficient of quadratic regression Fìz.-mat. model. ìnf. tehnol. 2021, 33:138-142

  Marta Savkina (Author)

  138-142

  • pdf (Українська)

• Adaptive operator extrapolation method Fìz.-mat. model. ìnf. tehnol. 2021, 33:143-147

  Volodymyr Semenov, Dmytro Siryk, Oleh Kharkov (Author)

  143-147

  • pdf (Українська)

• Regularization methods for ill-posed problems of general physics Fìz.-mat. model. ìnf. tehnol. 2021, 33:148-155

  Vyacheslav Starkov (Author)

  148-155

  • pdf (Українська)

• Maximum Penalty Function in Linear Programming Fìz.-mat. model. ìnf. tehnol. 2021, 33:156-160

  Petro Stetsyuk, Andreas Fischer, Olha Khomiak (Author)

  156-160

  • pdf (Українська)

• Optimization model in the flexible manufacture Fìz.-mat. model. ìnf. tehnol. 2021, 33:161-164

  Nataliya Stolyarenko (Author)

  161-164

  • pdf (Українська)

• Multi-bit subtraction operation in a parallel computational model Fìz.-mat. model. ìnf. tehnol. 2021, 33:165-169

  Andrii Tereshchenko (Author)

  165-169

  • pdf (Українська)

• Combinatorial configurations, fractals, fractal dimension of combinatorial sets Fìz.-mat. model. ìnf. tehnol. 2021, 33:170-174

  Nadija Tymofijeva (Author)

  170-174

  • pdf (Українська)

• Some aspects of extrapolation based on interpolation polynomials Fìz.-mat. model. ìnf. tehnol. 2021, 33:175-180

  Yuriy Turbal, Andriy Bomba, Mariana Turbal, Abd Alkaleg Hsen Drivi (Author)

  175-180

  • pdf (Українська)

• Adaptive algorithms for researching problems in a variable computer environment Fìz.-mat. model. ìnf. tehnol. 2021, 33:181-185

  Alexander Khimich, Tamara Chistyakova, Volodymyr Sydoruk, Pavel Yershov (Author)

  181-185

  • pdf (Українська)

• Differential-difference method with approximation of the inverse operator Fìz.-mat. model. ìnf. tehnol. 2021, 33:186-190

  Stepan Shakhno, Halyna Yarmola (Author)

  186-190

  • pdf (Українська)

• Modeling and analysis of the states of objects and subjects of monitoring by means of secure sensor networks and IoT networks with a supercomputer Fìz.-mat. model. ìnf. tehnol. 2021, 33:191-195

  Bohdan Shevchuk (Author)

  191-195

  • pdf (Українська)