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Journal of Water Resources Planning and Management, ISSN 0733-9496, 03/2015, Volume 141, Issue 3, p. 4014060
Journal Article
Optimization letters, ISSN 1862-4480, 2019, Volume 14, Issue 5, pp. 1193 - 1205
.... The approach is then applied to computing the proximity operator of the sum of weakly convex functions, and particularly to finding the best approximation... 
Projector | MATHEMATICS, APPLIED | Linear convergence | Strong convergence | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | Resolvent | Douglas-Rachford algorithm | Proximity operator | ALGORITHM | Operator splitting | Best approximation | Peaceman-Rachford algorithm
Journal Article
ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS-MODELISATION MATHEMATIQUE ET ANALYSE NUMERIQUE, ISSN 0764-583X, 04/2019, Volume 53, Issue 2, pp. 551 - 583
Fully-discrete approximations of the Allen-Cahn equation are considered. In particular, we consider schemes of arbitrary order based on a discontinuous Galerkin (in time... 
Allen-Cahn equations | MATHEMATICS, APPLIED | 2ND-ORDER | INTERFACE | HILLIARD EQUATION | A-PRIORI | GALERKIN METHODS | FINITE-ELEMENT APPROXIMATION | PARABOLIC PROBLEMS | best approximation error estimates | STOKES | discontinuous time-stepping schemes
Journal Article
Journal of combinatorial optimization, ISSN 1573-2886, 2018, Volume 37, Issue 3, pp. 889 - 900
.... An optimization problem, which we term FCSA, is to find an optimum way how clients are assigned to servers such that the largest latency on an interactivity path between two clients... 
Best possible approximation | Convex and Discrete Geometry | Operations Research/Decision Theory | Mathematics | Theory of Computation | Mathematical Modeling and Industrial Mathematics | Bottleneck minimization problem | Combinatorics | Approximation algorithm | Optimization | MATHEMATICS, APPLIED | COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS | ALGORITHMS | Algorithms
Journal Article
Journal of Mathematical Sciences, ISSN 1072-3374, 1/2013, Volume 188, Issue 2, pp. 146 - 166
Journal Article
European journal of operational research, ISSN 0377-2217, 02/2018, Volume 265, Issue 1, pp. 19 - 25
....•Characterizing best approximation from a convex set without convexity of constraints. We study constraint qualifications and necessary and sufficient optimality conditions... 
Nonconvex constraints | Best approximation | Necessary and sufficient optimality conditions | Convex programming | Constraint qualifications | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | OPTIMALITY CONDITIONS | STRONG CHIP | Approximation theory | Mathematical optimization | Analysis
Journal Article
Pure and Applied Geophysics, ISSN 0033-4553, 1/2019, Volume 176, Issue 1, pp. 335 - 344
.... These methods are based on solving the problems of the best approximation of the signal under analysis to signals of a specified class and used in estimating the lag time of one fragment of signal... 
Signal waveform | Lag time | Estimate of signal parameters/best approximation problem | Earth Sciences | Geophysics/Geodesy | GEOCHEMISTRY & GEOPHYSICS | best approximation problem | Estimate of signal parameters | Analysis | Atmospheric physics | Amplitude | Random noise | Sound waves | Transformation | Additives | Amplitudes | Approximation | Methodology | Noise | Estimation | Waveforms | Sound propagation | Wave propagation | Detection | Signal detection
Journal Article
Journal Article
Computational Methods in Applied Mathematics, ISSN 1609-4840, 07/2019, Volume 19, Issue 3, pp. 483 - 502
We consider DPG methods with optimal test functions and broken test spaces based on ultra-weak formulations of general second-order elliptic problems... 
65N12 | Ultra-Weak Formulation | Postprocessing | Duality Arguments | Best Approximation | Superconvergence | DPG Method | 65N30 | MATHEMATICS, APPLIED | CONVERGENCE | Formulations | Norms | Polynomials | Approximation | Test procedures | Convection
Journal Article
SIAM Journal on Optimization, ISSN 1052-6234, 2016, Volume 26, Issue 4, pp. 2591 - 2619
We consider the best approximation problem (BAP) of projecting a point onto the intersection of a number of convex sets... 
Best approximation problem | Dykstra's algorithm | Alternating minimization | ACCELERATION | MATHEMATICS, APPLIED | MINIMIZATION | CONVEX | alternating minimization | ALGORITHM | DECOMPOSITION | CONVERGENCE | best approximation problem | LEAST-SQUARES
Journal Article
Complex Analysis and Operator Theory, ISSN 1661-8254, 12/2013, Volume 7, Issue 6, pp. 1787 - 1805
... with Meromorphic Approximation Alberto A. Condori Received: 18 April 2011 / Accepted: 8 June 2012 / Published online: 18 July 2012 © Springer Basel AG 2012 Abstract Let null... 
Nehari–Takagi problem | Operator Theory | Analysis | Superoptimal approximation | Secondary 47B35 | Mathematics, general | Best approximation | 46E40 | Mathematics | Hankel and Toeplitz operators | Badly approximable matrix-valued functions | Primary 47A57 | Nehari-Takagi problem | MATHEMATICS | MATHEMATICS, APPLIED | MATRIX FUNCTIONS
Journal Article
Journal of mathematical analysis and applications, ISSN 0022-247X, 2015, Volume 432, Issue 2, pp. 1095 - 1105
...≤∞. Finally, some applications of the results to the best dominated approximation problems are presented... 
Strict monotonicity | Uniform monotonicity | Orlicz space | Lower (upper) local uniform monotonicity | Dominated best approximation problems | p-Amemiya norm | P-Amemiya norm | ROTUNDITY | MATHEMATICS | MATHEMATICS, APPLIED | BANACH-LATTICES | Computer science
Journal Article
Journal of non-Newtonian fluid mechanics, ISSN 0377-0257, 2017, Volume 249, pp. 8 - 25
.... For these reasons, a lot of researchers have considered this function to provide its optimal approximation... 
Mathematica computer software | Best approximation | Taylor expansion | FENE Model | Inverse Langevin function | Padé approximation | MECHANICS | BRILLOUIN | MODELS | DEFORMATIONS | Fade approximation | STRESS
Journal Article