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Found 4,544 Documents (Results 1–100)

On solutions of a boundary value problem for a second-order differential equation with a parameter and discontinuous right-hand side. (English. Russian original) Zbl 1526.34015

Comput. Math. Math. Phys. 63, No. 8, 1424-1436 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 8, 1296-1308 (2023).
MSC:  34B08 34A36
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Linear differential equation with inhomogeneity in the form of a formal power series over a ring with non-Archimedean valuation. (English. Ukrainian original) Zbl 07721188

Ukr. Math. J. 74, No. 11, 1668-1685 (2023); translation from Ukr. Mat. Zh. 74, No. 11, 1463-1477 (2022).
Reviewer: Pavel Rehak (Brno)
MSC:  34A25 34A30
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Counterexamples to the assumption on the possibility of prolongation of truncated solutions of a truncated LODE. (English. Russian original) Zbl 1519.34010

Comput. Math. Math. Phys. 63, No. 1, 69-76 (2023); translation from Zh. Vychisl. Mat. Mat. Fiz. 63, No. 1, 85-92 (2023).
MSC:  34A30 34A25 34-04
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Normal forms of a polynomial ODE. (English) Zbl 1516.34064

Filipuk, Galina (ed.) et al., Recent trends in formal and analytic solutions of diff. equations. Virtual conference, University of Alcalá, Alcalá de Henares, Spain, June 28 – July 2, 2021. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 782, 1-6 (2023).
MSC:  34C20 34A25
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Closed form solution and transmutation operators for Schrödinger equations with finitely many {\delta}-interactions. arXiv:2302.13218

Preprint, arXiv:2302.13218 [math.CA] (2023).
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On truncated series involved in exponential-logarithmic solutions of truncated LODEs. (English) Zbl 1518.34011

Boulier, François (ed.) et al., Computer algebra in scientific computing. 24th international workshop, CASC 2022, Gebze, Turkey, August 22–26, 2022. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 13366, 18-28 (2022).
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Explicitly solvable systems of first-order ordinary differential equations with homogeneous right-hand sides, and their periodic variants. (English. Russian original) Zbl 1516.34002

Theor. Math. Phys. 213, No. 1, 1317-1330 (2022); translation from Teor. Mat. Fiz. 213, No. 1, 5-19 (2022).
MSC:  34A05 34A25 70H06
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WKB method for nonlinear equations of Emden-Fowler type. (English. Russian original) Zbl 1507.34013

Dokl. Math. 105, No. 1, 39-44 (2022); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 502, 46-51 (2022).
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