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Found 471 Documents (Results 1–100)

Solving ill-posed problems of the theory of elasticity using high-performance computing systems. (English. Ukrainian original) Zbl 07765735

Cybern. Syst. Anal. 59, No. 5, 743-752 (2023); translation from Kibern. Sist. Anal. 59, No. 5, 66-77 (2023).
MSC:  65Nxx 74Axx 65Fxx
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A posteriori identities for measures of deviation from exact solutions of nonlinear boundary value problems. (English. Russian original) Zbl 1519.35040

Comput. Math. Math. Phys. 63, No. 6, 934-956 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 6, 896-919 (2023).
MSC:  35B45 47H05 65N15
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Efficient solvers for time-periodic parabolic optimal control problems using two-sided bounds of cost functionals. (English) Zbl 1478.49031

Vermolen, Fred J. (ed.) et al., Numerical mathematics and advanced applications. ENUMATH 2019. Proceedings of the European conference, Egmond aan Zee, The Netherlands, September 30 – October 4, 2019. Cham: Springer. Lect. Notes Comput. Sci. Eng. 139, 1205-1213 (2021).
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On approximate solution of certain equations. (English. Russian original) Zbl 1470.42026

J. Math. Sci., New York 257, No. 1, 8-16 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 160, 9-17 (2019).
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Numerical solution of systems of linear algebraic equations with ill-conditioned matrices. (English. Russian original) Zbl 1454.65026

Vestn. St. Petersbg. Univ., Math. 52, No. 4, 388-393 (2019); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 6(64), No. 4, 619-626 (2019).
MSC:  65F22 15B48
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Inverse gravimetry as an ill-posed problem in mathematical geodesy. (English) Zbl 1407.86016

Freeden, Willi (ed.) et al., Handbook of mathematical geodesy. Functional analytic and potential theoretic methods. Cham: Birkhäuser. Geosyst. Math., 641-685 (2018).
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Functional difference equations in the problem on the forced oscillations of a fluid in an infinite pool with conical bottom. (English. Russian original) Zbl 1387.35499

St. Petersbg. Math. J. 29, No. 2, 267-287 (2018); translation from Algebra Anal. 29, No. 2, 59-88 (2017).
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Consistent convergence rate estimates in the grid \(W_{2,0}^2(\omega)\) norm for difference schemes approximating nonlinear elliptic equations with mixed derivatives and solutions from \(W_{2,0}^m(\Omega)\), \(3 < m \leq 4\). (English. Russian original) Zbl 1381.65089

Comput. Math. Math. Phys. 57, No. 9, 1427-1452 (2017); translation from Zh. Vychisl. Mat. Mat. Fiz. 57, No. 9, 1444-1470 (2017).
MSC:  65N12 65N06 35J60
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Nonclassical Hamilton’s actions and the numerical performance of variational methods for some dissipative problems. (English) Zbl 06892112

Vishnevskiy, Vladimir M. (ed.) et al., Distributed computer and communication networks. 19th international conference, DCCN 2016, Moscow, Russia, November 21–25, 2016. Revised selected papers. Cham: Springer. Commun. Comput. Inf. Sci. 678, 624-634 (2016).
MSC:  65-XX 49-XX
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Estimates for the difference between exact and approximate solutions of parabolic equations on the basis of Poincaré inequalities for traces of functions on the boundary. (English. Russian original) Zbl 1361.65068

Differ. Equ. 52, No. 10, 1355-1365 (2016); translation from Differ. Uravn. 52, No. 10, 1407-1417 (2016).
MSC:  65M15 35K20
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Justification of the Galerkin method for hypersingular equations. (English. Russian original) Zbl 1346.65074

Comput. Math. Math. Phys. 56, No. 3, 417-425 (2016); translation from Zh. Vychisl. Mat. Mat. Fiz. 56, No. 3, 432-440 (2016).
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