... Numerical methods and applications . ... Iterative restoration of Radon-space sinogram disturbances for the steganography problem . Elesin A.V., Kadyrova A.Sh. ... Aliev A.V. 40-47 . ... Vshivkov V.A., Terekhov A.V. 48-57 . ... Numerical analysis of seismic wave propagation in block media on multiprocessor computers . The paper was recommended by the Programm Committee of the International Conference on Parallel Computing Technologies (PaVT-2008; http://agora.guru.ru/pavt) . ...
... Safronov A.V. 6-9 . ... A comparative performance analysis of genetic algorithms and the Metropolis algorithm in some problems of solid-state physics . ... Parallelization of computing the separated flows on the basis of 3D unsteady formulations . The paper was recommended by the Programm Committee of the International Conference on Parallel Computing Technologies (PaVT-2007; http://agora.guru.ru/pavt) . ... Parallelization algorithms on fine-grid segments in three-phase fluid flow problems . ...
... Numerical methods and applications . ... Application of multilevel structured matrices for the solution of direct and inverse electromagnetic problems . ... Numerical solution of boundary value problems for the radiation transfer equation in an optical range . ... On optimal methods for solving ill-posed problems . ... A comparison of explicit and implicit numerical methods for solving groundwater flow problems . ... Newton's method for solving equilibrium problems . ... Bayev A.V. 323-336 . ...
... Numerical peculiarities of the 2D wavelet-homogenization in the problems of multiresolution analysis . ... A numerical method for solving the Stokes problem with a discontinuous coefficient . ... Application of the control-volume method for the solution of problems in gas and fluid mechanics on unstructured grids . ... An iterative method for solving a boundary value problem for a system of first-order ordinary differential equations with parameter for cluster computing systems . ...
... Some general conditions for regularization of ill-posed variational problems . ... Representation of a solution to a boundary value problem in half-space for the stationary equation of Brownian motion . ... Pickalov V.V. and Likhachev A.V. 146-153 . ... A numerical method for approximate calculation of the value function in the optimal control problem with a terminal functional . ... Approximate solution of the generalized mixed boundary value problem for parabolic- and hyperbolic-type equations . ...
... Numerical study on injection of a viscous incompressible gas into a plane channel on the basis of the Navier-Stokes equations . ... D.V. Zot'ev, M.N. Filippov, and A.G. Yagola . ... Sljunjaev, A.V. Tanaseychuk, and A.G. Tarnavsky . ... Algorithmic foundations of methods for solving ill-posed problems . ... A least squares method for sums of functions satisfying the differential equations with polynomial coefficients . ... Numerical solution of some spectral problems for the Stokes equations . ...
... Section 1 . ... Some features of solving the problems of mapping for allocation of chemical elements on stellar surfaces as ill-posed problems with the use of multiprocessor systems . A.V. Skvortsov . ... Iterative processes for nonlinear ill-posed operator equations in Banach spaces on the basis of finite-dimensional regularization of the Newton-Kantorovich method . ... A class of stable iterative methods for solving nonlinear ill-posed operator equations . ...
... A robust multigrid technique for solving systems of partial differential equations . ... Numerical modeling and computer algorithm for the process of segregation of alloy impurities at the boundary of an oxidation wave in semiconductor substrates . ... Markov's formula for numerical integration and its application in orthogonal expansions . ... Application of the Mathcad package to studying iterative methods for solving boundary value problems for ordinary differential equations . ...
... Section 1 . I.O. Arushanian . ... The application of the boundary integral equation method to numerical solution of Dirichlet's problem in domains with corner points . ... Parallel algorithms for solving tridiagonal systems of linear equations (the three-dimensional case) . ... Transformation of User Manual of Numerical Analysis Library into the HTML-format . ... A.D. Kovalev and S.V. Nikitin . ... Transformation of problems of computational mathematics onto the architecture of computing systems . ...
Advice for Referees . Author(s): . ... I. Information for the Editorial Board . ... the paper is appropriate for this journal (yes/no) . ... Originality and significance of results (yes/no/others): . ... results are of scientific significance . results are of practical significance . ... paper is clearly written . length relative to substance is adequate . aim of the paper is clearly stated . ... paper is adequately referenced . ... paper should be passed to another referee . ...
... Simulation of an ideal quantum computer on a supercomputer "Lomonosov"' . ... This paper presents a simulation of an ideal quantum computer on a supercomputer "Lomonosov". ... Korzh O.V., e-mail: oxanad@mail.ru ; Korobkov S.V., e-mail: korobkovserg@gmail.com ; тАУ Moscow State University, Faculty of Computational Mathematics and Cybernetics; Leninskiye Gory 1-52, Moscow, 119991, Russia . ... Korzh A.A., e-mail: anton@korzh.ru тАУ T-Platforms Company; prospect Leninskii 113, Moscow, 117198, Russia . ...
... An accelerated topology change algorithm for the contour advection method" . ... A general-purpose scheduler that simplifies a heterogeneous implementation is discussed. ... PDF (in Russian) (1.19MB) . PDF. zip (in Russian) (1.13MB) . Bogdanov P.B., e-mail: bogdanov@niisi.msk.ru ; Efremov A.A. e-mail: antonyef@mail.ru ; тАУ Scientific Research Institute for System Studies, Russian Academy of Sciences; prospect Nakhimovskii 36 -1, Moscow, 117218, Russia . ...
... The application methods of complex professional benchmarking are discussed; it is also shown how these methods are used in the rating and engineering design of supercomputers. ... Keywords: rating list benchmarking, complex test benchmarking, data intensive systems, multilevel benchmarking, space-temporal memory reference locality, memory reference delay optimization, memory reference tolerate, delay hiding, run-time systems, multithreaded architecture program emulation . ...
... Parallel implementation of a gradient boosted trees algorithm" . Druzhkov P.N. The software implementation of a parallel gradient boosted trees algorithm that requires a distributed data storage and is intended mostly to large machine learning tasks is described. ... Experimental quality evaluations are given also to show the competitiveness of the proposed implementation. ... Keywords: decision tree, gradient boosting, parallel computation, MPI, distributed memory . ...
... Models and methods for the profiling and execution time estimation of workflows in supercomputing systems" . ... In order to optimize the load ratio of such platforms, one can use pattern recognition methods to detect such workflows and profiles evaluation methods to estimate their performance and execution time on the provided computing resources. A review of existing methods for the intellectual profiling and workflow execution time estimation is presented. ...
... A framework for the ocean-ice-atmosphere-land coupled modeling on massively-parallel architectures" . Kalmykov V.V., Ibrayev R.A. The paper presents a new software for the coupled modeling of the ocean-ice-atmosphere-soil system (SCM OIAS) on massive-parallel computers. ... The architecture of SCM OIAS is described. ... The computational characteristics of the World ocean-Global atmosphere coupled model governed by SCM OIAS has been tested. ...
... An accelerated topology change algorithm for the contour advection method" . ... This work was supported by the Russian Foundation for Basic Research (project 12тАУ05тАУ31011) and by the Far Eastern Branch of the Russian Academy of Sciences (projects 12тАУIтАУPтАУ19тАУ02, N 12тАУIIIтАУAтАУ07тАУ051). Keywords: geophysical hydrodynamics, computational hydrodynamics, contour dynamics, contour advection, contour editing, topology change . PDF (in Russian) (378KB) . ...
... Dynamic load balancing in the PICADOR plasma simulation code" . Bastrakov S.I., Meyerov I.B., Surmin I.A., Gonoskov A.A., Efimenko E.S., Malyshev A.S., Shiryaev M.A. The load balancing problem for the particle-in-cell plasma simulation on cluster systems is considered. A dynamic load balancing scheme based on the rectilinear partitioning is proposed. ... Keywords: load balancing, plasma physics, particle-in-cell method, high-performance computing . PDF (in Russian) (334KB) . ...
... A clipping method when rasterizing complex objects" . Karpukhin S.A. A new one-point method of clipping when rasterizing complex objects is proposed. An estimate of the number of required operations in comparison with other methods is given. It is shown that this new method provides a significant performance gain when solving the computational geometry problems by means of computer graphics. Keywords: rasterization, clipping, means of computer graphics . ...