Izv. Saratov Univ. (N. S.), Ser. Math. Mech. Inform., 2020, vol. 20, iss. 2

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01.06.2020

Content

Mathematics

Abramova V. V., Dudov S. I., Osipcev M. A. The External Estimate of the Compact Set by Lebesgue Set of the Convex Function [PDF] стр.142

Danchev P. V. Symmetrization in Clean and Nil-Clean Rings [PDF] стр.154

Kobilzoda M. M., Naimov A. N. On the Positive Solutions of a Model System of Nonlinear Ordinary Differential Equations [PDF] стр.161

Mozhey N. P. On the Geometry of Three-dimensional Pseudo-Riemannian Homogeneous Spaces. II [PDF] стр.172

Perelman N. R. On One Exceptional Case of the First Basic Three-Element Carleman-Type Boundary Value Problem for Bianalytic Functions in a Circle [PDF] стр.185

Mechanics

Zverev N. A., Zemskov A. V., Tarlakovsky D. V. Unsteady Electromagnetic Elasticity of Piezoelectrics Considering Diffusion [PDF] стр.193

Ivanov D. V., Kirillova I. V., Kossovich L. Y., Bessonov L. V., Petraikin A. V., Dol A. V., Ahmad E. S., Morozov S. P., Vladzymyrskyy A. V., Sergunova K. A., Kharlamov A. V. Influence of Convolution Kernel and Beam-Hardening Effect on the Assessment of Trabecular Bone Mineral Density Using Quantitative Computed Tomography [PDF] стр.205

Kuchumov A. G. Mathematical Modeling of Deposits Accumulation on the Plastic Biliary Stent Surface for Predicting Its Occlusion [PDF] стр.220

Shagapov V. S., Galimzyanov M. N., Agisheva U. O. Single Waves in a Gas-Liquid Bubble Mixture [PDF] стр.232

Computer Sciences

Ivanko E. E., Chervinsky S. M. Survival Rate of Model Populations Depending on the Strategy of Energy Exchange Between the Organisms [PDF] стр.241

Kocheganov V. M. Markov Chain States Classification in a Tandem Model with a Cyclic Service Algorithm with Prolongation [PDF] стр.257

Tananko I. E., Fokina N. P. An Analysis Method of Open Queueing Networks with a Degradable Structure and Instantaneous Repair Times of Systems [PDF] стр.266