Search Results - "Lapin, A. V."

Olivine in ultramafic lamprophyres: chemistry, crystallisation, and melt sources of Siberian Pre- and post-trap aillikites by Nosova, A. A., Sazonova, L. V., Kargin, A. V., Smirnova, M. D., Lapin, A. V., Shcherbakov, V. D.

“…We studied olivines from the Devonian pre-trap (the Ilbokich occurrence) and the Triassic post-trap (the Chadobets occurrence) carbonate-rich ultramafic…”
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Generation of Radiation with a Tunable Comb Spectrum in Ring Fiber Cavities Based on Active Photonic Crystal Structures by Abramov, A. S., Korobko, D. A., Lapin, V. A., Mironov, P. P.

“…We consider generation of radiation with a comb spectrum in a ring fiber cavity with harmonic mode locking provided by dissipative four-wave mixing. The main…”
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Construction of norovirus (Caliciviridae: Norovirus) virus-like particles containing VP1 of the Echovirus 30 (Picornaviridae: Enterovirus: Enterovirus B) by Novikov, D. V., Melentev, D. A., Mokhonov, V. V., Kashnikov, A. Yu, Novikova, N. A., Lapin, V. A., Mokhonova, E. V., Novikov, V. V.

“…Introduction. Enterovirus (nonpolio) infection is widespread all over the world, registered as sporadic cases and large-scale outbreaks and can cause severe…”
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Analytical Solution of the Problem of Modal Control by Output via Reducing to Modal Observation with Fewer Inputs by Zubov, N. E., Lapin, A. V.

“…An effective analytical method is proposed to solve the problem of modal control by output for a wide class of linear time-invariant systems in which the sum…”
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Reducing the Problem of the Modal Control by Output for Stationary Fourth-Order Systems with Two Inputs and Two Outputs to the Control by State for a System with a Single Input by Zubov, N. E., Lapin, A. V.

“…A problem of modal control by output for fourth-order dynamical systems with two inputs and two outputs is presented. For a certain class of such systems, an…”
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Erratum to: The Regularized Mesh Scheme to Solve Quasilinear Parabolic Equation with Time-Fractional Derivative by Lapin, A. V., Laitinen, E.

“…An Erratum to this paper has been published: https://doi.org/10.1134/S1995080221100231…”
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Analytical Synthesis of an Aircraft’s Lateral Motion Control by Output at the Lack of Measurements of Slip and Roll Angles by Zubov, N. E., Zybin, E. Yu, Lapin, A. V.

“…For a linearized fourth-order model describing the lateral motion of an aircraft with two controls, the stabilizing control laws analytical expressions are…”
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Domain decomposition and Uzawa-type iterative method for elliptic variational inequality by Lapin, A. V.

“…Finite element approximation of an elliptic variational inequality with quaisilinear operator and constraints to the solution and its gradient is constructed…”
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The Regularized Mesh Scheme to Solve Quasilinear Parabolic Equation with Time-Fractional Derivative by Lapin, A. V., Laitinen, E.

“…A quasilinear parabolic problem with a time fractional derivative of the Caputo type and mixed boundary conditions is considered. The coefficients of the…”
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Numerical Solution of a Quasilinear Parabolic Equation with a Fractional Time Derivative by Lapin, A. V., Levinskaya, K. O.

“…A homogeneous Dirichlet initial-boundary value problem for a quasilinear parabolic equation with Caputo fractional time derivative is considered. The…”
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Iterative Methods for Mesh Approximations of Optimal Control Problems Controlled by Linear Equations with Fractional Derivatives by Lapin, A. V., Romanenko, A. D.

“…We consider the constrained optimal control problems governed by a parabolic initial-boundary value problem with time-fractional derivative and mixed boundary…”
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Analytical Synthesis of Stabilization Laws of Coupled Motions of an Aircraft in the Pitch–Yaw Channels in the Absence of Information about the Angle of Attack by Zubov, N. E., Ryabchenko, V. N., Lapin, A. V.

“…In the paper, the problem of stabilization of coupled motions of an aircraft in the pitch–yaw channels in the absence of information about the angle of attack…”
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Russian experts' clinical guidelines for acute myeloid leukemia treatment in patients less than 60 years of age by Savchenko, V G, Parovichnikova, E N, Afanas'ev, B V, Gritsaev, S V, Semochkin, S V, Bondarenko, S N, Troitskaia, V V, Sokolov, A N, Kuz'mina, L A, Kliasova, G A, Baranova, O Iu, Lapin, V A, Konstantinova, T S, Samoĭlova, O S, Kaporskaia, T S, Shatokhin, S V

“…The purpose of the paper is to present Russian experts' consolidated opinion about acute myeloid leukemia (AML) treatment in adult patients aged less than 60…”
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Error Estimates for Backward Euler Finite Element Approximations of American Call Option Valuation by Dautov, R. Z., Lapin, A. V.

“…We investigate the degenerate parabolic variational inequality arising from the local volatility model for the American stock call option with continuous…”
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Surface Formations in the Weathering Crusts of Carbonatites: Implication for the Genesis of Unique Rare Metal Ores in the Tomtor Deposit, Russia by Lapin, A. V., Kulikova, I. M., Nabelkin, O. A.

“…A comparative analysis of the composition and structure of the surface facies of carbonatite weathering crusts (profiles) in the Chuktukon (Russia) and Seis…”
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Onboard Iterative Algorithm of Defining the Parameters of Keplerian Orbits Based on Solving the Orbital Motion Equations in Velocity Reference Frame by Zubov, N. E., Ryabchenko, V. N., Lapin, A. V.

“…We suggest a determined iterative algorithm of defining the planar parameters of a spacecraft Keplerian orbit in the velocity reference frame. Analytical…”
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Influence of Sulfate-Ion Additive at Different Stages of YAG: CR Ceramics Fabrication on the Optical Properties by Suprunchuk, V. E., Kravtsov, A. A., Tarala, V. A., Lapin, V. A., Tarala, L. V., Medyanik, E. V., Malyavin, F. F., Vakalov, D. S.

“…This study investigated the influence of the concentration of sulfate ions at key technological stages of the synthesis of YAG:Cr ceramic powder on the optical…”
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YAG-Ceramic Powders — Size-Reduction Influence on Optical Ceramic Properties by Suprunchuk, V. E., Kravtsov, A. A., Lapin, V. A., Tarala, V. A., Tarala, L. V., Medyanik, E. V., Malyavin, F. F.

“…The morphology and degree of agglomeration of the precursor and YAG-ceramic powders were investigated as functions of the grinding conditions, followed by an…”
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Approximations of Evolutionary Inequality with Lipschitz-continuous Functional and Minimally Regular Input Data by Dautov, R. Z., Lapin, A. V.

“…The convergence and accuracy of approximations of evolutionary inequality with a linear bounded operator and a convex and Lipschitz-continuous functional are…”
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Distribution of REE, Y, Sc, and Th in the unique complex rare-metal ores of the Tomtor deposit by Lapin, A. V., Tolstov, A. V., Kulikova, I. M.

“…The REE (Ln), Y, Sc, and Th distribution in the unique complex rare-metal ores of the Tomtor deposit is considered. Significant variability of these components…”
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