Found 69 Documents (Results 1–69)
Homogeneous algorithms and solvable problems on cones. (English) Zbl 1539.41012
Reviewer: Martin D. Buhmann (Gießen)
On the best recovery of a family of operators on a class of functions according to their inaccurately specified spectrum. (Russian. English summary) Zbl 07845710
Optimal recovery of a family of operators from inaccurate measurements on a compact set. (English. Russian original) Zbl 1535.41026
Sib. Math. J. 65, No. 2, 495-504 (2024); translation from Vladikavkaz. Mat. Zh. 25, No. 2, 124-135 (2023).
On the best recovery of a family of operators on the manifold \(\mathbb{R}^n\times\mathbb{T}^m\). (English. Russian original) Zbl 1539.58011
Proc. Steklov Inst. Math. 323, 188-196 (2023); translation from Tr. Mat. Inst. Steklova 323, 196-203 (2023).
Reviewer: Vladimir Vasilyev (Belgorod)
MSC:
58E35
Optimal recovery of a family of operators from inaccurate measurements on a compact. (Russian. English summary) Zbl 07743976
Vladikavkaz. Mat. Zh. 25, No. 2, 124-135 (2023); translation in Sib. Math. J. 65, No. 2, 495-504 (2024).
Korneichuk-Stechkin lemma, Ostrowski and Landau inequalities, and optimal recovery problems for \(L\)-space valued functions. (English) Zbl 1542.41020
Reviewer: Mehmet Küçükaslan (Mersin)
Flow recovery from distal pressure in linearized hemodynamics: an optimal control approach. (English) Zbl 1518.92052
Optimal recovery of potentials for Sturm-Liouville eigenvalue problems with separated boundary conditions. (English) Zbl 1529.34017
Reviewer: Chuan-Fu Yang (Nanjing)
On guarantee optimization in control problem with finite set of disturbances. (English) Zbl 1483.49046
On optimal recovery of values of linear operators from information known with a stochastic error. (English. Russian original) Zbl 1496.41015
Sb. Math. 212, No. 11, 1588-1607 (2021); translation from Mat. Sb. 212, No. 11, 89-108 (2021).
MSC:
41A65
Approximation with conditionally positive definite kernels on deficient sets. (English) Zbl 1477.65034
Fasshauer, Gregory E. (ed.) et al., Approximation theory XVI. Proceedings of the international conference, Nashville, TN, USA, May 19–22, 2019. Cham: Springer. Springer Proc. Math. Stat. 336, 27-38 (2021).
Functional penalised basis pursuit on spheres. (English) Zbl 1476.49049
Reviewer: Nelly Villamizar (Swansea)
Instances of computational optimal recovery: refined approximability models. (English) Zbl 1460.65068
Best recovery of the solution of the Dirichlet problem in a half-space from inaccurate data. (English. Russian original) Zbl 1457.62054
Comput. Math. Math. Phys. 60, No. 10, 1656-1665 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1711-1720 (2020).
Optimal recovery of elements of a Hilbert space and their scalar products according to the Fourier coefficients known with errors. (English. Ukrainian original) Zbl 1455.65087
Ukr. Math. J. 72, No. 6, 853-870 (2020); translation from Ukr. Mat. Zh. 72, No. 6, 736-750 (2020).
Recovery of the operator \(\Delta_B\) from its incomplete Fourier-Bessel image. (English) Zbl 1450.65023
Augmented Lagrangian method for TV-\(l_1\)-\(l_2\) based colour image restoration. (English) Zbl 1432.94017
Algorithms for zeros of two accretive operators for solving convex minimization problems and its application to image restoration problems. (English) Zbl 1432.90113
Recovery of local volatility for financial assets with mean-reverting price processes. (English) Zbl 1418.91457
Recovering linear operators and Lagrange function minimality condition. (English. Russian original) Zbl 1396.41022
Sib. Math. J. 59, No. 1, 11-21 (2018); translation from Sib. Mat. Zh. 59, No. 1, 15-28 (2018).
Reviewer: Ioan Raşa (Cluj-Napoca)
The best recovery of the solution of the Dirichlet problem from inaccurate spectrum of the boundary function. (Russian. English summary) Zbl 1450.49020
On optimal recovery of the operator of \(k\)-th divided difference from its inaccurately given Fourier transform. (Russian. English summary) Zbl 1474.42003
On optimal recovery of Dirichlet problem from a boundary function known approximately. (Russian. English summary) Zbl 1474.42004
An optimal regularization method for convolution equations on the sourcewise represented set. (English) Zbl 1325.45005
Phase field methods for binary recovery. (English) Zbl 1320.49024
Hoppe, Ronald (ed.), Optimization with PDE constraints. ESF networking program ‘OPTPDE’. Cham: Springer (ISBN 978-3-319-08024-6/hbk; 978-3-319-08025-3/ebook). Lecture Notes in Computational Science and Engineering 101, 25-63 (2014).
Kolmogorov-type inequalities for norms of Riesz derivatives of functions of several variables with Laplacian bounded in \(L_\infty\) and related problems. (English. Russian original) Zbl 1314.41006
Math. Notes 95, No. 1, 3-14 (2014); translation from Mat. Zametki 95, No. 1, 3-17 (2014).
MSC:
41A17
On the best methods for recovering derivatives in Sobolev classes. (English. Russian original) Zbl 1342.26057
Izv. Math. 78, No. 6, 1138-1157 (2014); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 78, no. 6, 83-102 (2014).
Reviewer: Javier Soria (Barcelona)
Best approximation of the differentiation operator in the space \(L_2\) on the semiaxis. (English) Zbl 1300.41015
Reviewer: Costica Mustăţa (Cluj-Napoca)
Optimal recovery of isotropic classes of \(r\)th differentiable multivariate functions. (English) Zbl 1298.41028
Reviewer: Martin D. Buhmann (Gießen)
On optimal recovery of solutions to difference equations from inaccurate data. (English. Russian original) Zbl 1278.65146
J. Math. Sci., New York 189, No. 4, 596-603 (2013); translation from Probl. Mat. Anal. 69, 47-54 (2013).
Approximation of differentiation operator in the space \(L_2\) on semiaxis. (English. Russian original) Zbl 1284.41019
Russ. Math. 57, No. 5, 1-8 (2013); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2013, No. 5, 3-12 (2013).
On the optimal recovery of the Laplacian of a function from its inaccurately given Fourier transform. (Russian. English summary) Zbl 1326.42018
MSC:
42B10
Best recovery of the Laplace operator of a function from incomplete spectral data. (English. Russian original) Zbl 1251.49045
Sb. Math. 203, No. 4, 569-580 (2012); translation from Mat. Sb. 203, No. 4, 119-130 (2012).
The best approximation of Laplace operator by linear bounded operators in the space \(L_p\). (English. Russian original) Zbl 1252.47013
Russ. Math. 55, No. 6, 53-63 (2011); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2011, No. 6, 63-74 (2011).
On optimal harmonic synthesis from inaccurate spectral data. (English. Russian original) Zbl 1271.42002
Funct. Anal. Appl. 44, No. 3, 223-225 (2010); translation from Funkts. Anal. Prilozh. 44, No. 3, 76-79 (2010).
An iterative algorithm based on level set method for the shape recovery problem. (English) Zbl 1197.65071
Optimal recovery of the solution of the heat equation from inaccurate data. (English. Russian original) Zbl 1188.35096
Sb. Math. 200, No. 5, 665-682 (2009); translation from Mat. Sb. 200, No. 5, 37-54 (2009).
Reviewer: Michael Karlov (Moskva)
Supply chain planning for hurricane response with wind speed information updates. (English) Zbl 1163.90337
MSC:
90B05
Optimal recovery and finite-dimensional approximation in linear inverse problems. (English. Russian original) Zbl 1156.49306
Sb. Math. 199, No. 12, 1735-1750 (2008); translation from Mat. Sb. 199, No. 12, 3-18 (2008).
Optimal recovery of linear functionals on sets of finite dimension. (English. Russian original) Zbl 1159.65018
Math. Notes 84, No. 4, 561-567 (2008); translation from Mat. Zametki 84, No. 4, 602-608 (2008).
Reviewer: Delfina Roux (Milano)
Numerical methods for experimental design of large-scale linear ill-posed inverse problems. (English) Zbl 1153.65062
Optimal recovery of solutions of the generalized heat equation in the unit ball from inaccurate data. (English) Zbl 1132.65088
Reviewer: Weizhong Dai (Ruston)
Optimal reconstruction of the values of functions and their derivatives from an inexactly specified Fourier transform. (English. Russian original) Zbl 1072.42002
Sb. Math. 195, No. 10, 1461-1476 (2004); translations from Mat. Sb. 195, No. 10, 67-82 (2004).
A posteriori error estimators of gradient recovery type for FEM of a model optimal control problem. (English) Zbl 1027.65087
Reviewer: Asaf D.Iskenderov (Baku)
Approximate optimal policies for a stochastic finite horizon one product recovery inventory model. (English) Zbl 1050.90014
Fleischmann, Bernhard (ed.) et al., Operations research proceedings 2000. Selected papers of the symposium, OR 2000, Dresden, Germany, September 9–12, 2000. Berlin: Springer (ISBN 3-540-41587-4). 310-315 (2001).
A modified Green’s function to estimate the interface stability in oil recovery. (English) Zbl 1010.76036
Asymmetric perfect splines and optimal recovery. (English) Zbl 0947.65009
Reviewer: Angela Slavova (Sofia)
Recovering a function with its derivatives from function values at a given number of points. (English. Russian original) Zbl 0838.41004
Russ. Acad. Sci., Izv., Math. 45, No. 3, 505-528 (1995); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 58, No. 6, 79-104 (1994).
Reviewer: A.V.Chernecky (Odessa)
Optimal recovery for some classes of functions with \(L^ 2(\mathbb{R})\)- bounded fractional derivatives. (English) Zbl 0834.65143
Agarwal, R. P. (ed.), Contributions in numerical mathematics. Singapore: World Scientific Publishing Co. World Sci. Ser. Appl. Anal. Vol. 2, 141-150 (1993).
Walsh equiconvergence theorem and optimal recovery. (English) Zbl 0758.30032
Reviewer: V.A.Tkachenko (Khar’kov)
Optimal recovery of a linear differential operator. (Chinese. English summary) Zbl 0771.65010
Reviewer: Xie Shenquan (Xiangtan)
Efficient sequential and parallel algorithms for computing recovery points in trees and paths. (English) Zbl 0800.68622
Aggarwal, Alok (ed.), Discrete algorithms. Proceedings of the 2nd annual ACM-SIAM symposium, held January 28-30, 1991, in San Francisco, CA (USA). Philadelphia, PA: SIAM. 158-167 (1991).
Minimax algorithms in problems of numerical analysis. (Минимаксные алгоритмы в задачах численного анализа.) (Russian. English summary) Zbl 0717.65037
Optimizatsiya i Issledovanie Operatsiĭ, 22. Moskva: Nauka. 303 p. R. 3.70 (1989).
Reviewer: Hans Benker (Merseburg)
Optimal recovery problem for the differential operator on a class of differentiable functions. (Chinese. English summary) Zbl 0693.41021
Optimal recovery in the finite-element method. II: Defect correction for ordinary differential equations. (English) Zbl 0678.65054
Reviewer: J.Weisel
\(\sigma\)-perfect splines and their application to optimal recovery problems. (English) Zbl 0682.41019
Reviewer: E.Neumann
On the complexity of deadlock recovery. (English) Zbl 0604.68045
Theoretical aspects of computer science, 2nd ann. Symp., Saarbrücken/Ger. 1985, Lect. Notes Comput. Sci. 182, 208-218 (1985).
On optimal methods in numerical analysis. (English) Zbl 0569.65011
Computational mathematics, Banach Cent. Publ. 13, 575-587 (1984).
Reviewer: A.Varga
Optimal analytic extrapolations revisited. (English) Zbl 0566.65016
Reviewer: M.Gutknecht
An extremal problem concerning differential operators and applications to optimal reconstruction. (English) Zbl 0496.41023
Certain extremal problems in approximation theory. (English) Zbl 0494.41020
Approximation and function spaces, Proc. int. Conf., Gdansk 1979, 408-418 (1981).
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