Abstract:
A bisingular boundary-value problem for an ordinary differential equation is considered. The asymptotics of the solution as the sum of an outer expansion and an analog of a number of functions of the boundary layer is constructed.
Keywords:
bisingularly perturbed differential equation, boundary-value problem, boundary function method, maximum principle.
Citation:
K. Alymkulov, T. D. Asylbekov, S. F. Dolbeeva, “Generalization of the Boundary Function Method for Solving Boundary-Value Problems for Bisingularly Perturbed Second-Order Differential Equations”, Mat. Zametki, 94:4 (2013), 483–487; Math. Notes, 94:4 (2013), 451–454
D. A. Tursunov, K. G. Kozhobekov, Bekmurza uulu Ybadylla, “Asymptotics of solutions of boundary value problems for the equation εy″+xp(x)y′−q(x)y=f”, Eurasian Math. J., 13:3 (2022), 82–91
Kozhobekov K.G., Erkebaev U.Z., Tursunov D.A., “Asymptotics of the Solution to the Boundary-Value Problems When Limited Equation Has Singular Point”, Lobachevskii J. Math., 41:1, SI (2020), 96–101
K. G. Kozhobekov, D. A. Tursunov, “Asimptotika resheniya kraevoi zadachi, kogda predelnoe uravnenie imeet neregulyarnuyu osobuyu tochku”, Vestn. Udmurtsk. un-ta. Matem. Mekh. Kompyut. nauki, 29:3 (2019), 332–340
D. A. Tursunov, “Asimptoticheskoe reshenie bisingulyarnoi zadachi Robena”, Sib. elektron. matem. izv., 14 (2017), 10–21
D. A. Tursunov, “The asymptotic solution of the three-band bisingularly problem”, Lobachevskii J. Math., 38:3, SI (2017), 542–546
D. A. Tursunov, U. Z. Erkebaev, “Asimptoticheskoe razlozhenie resheniya zadachi Dirikhle dlya koltsa s osobennostyu na granitse”, Vestn. Tomsk. gos. un-ta. Matem. i mekh., 2016, no. 1(39), 42–52
D. A. Tursunov, “Asimptoticheskoe razlozhenie resheniya obyknovennogo differentsialnogo uravneniya vtorogo poryadka s tremya tochkami povorota”, Tr. IMM UrO RAN, 22, no. 1, 2016, 271–281
K. Alymkulov, D. A. Tursunov, “On a method of construction of asymptotic decompositions of bisingular perturbed problems”, Russian Math. (Iz. VUZ), 60:12 (2016), 1–8
D. A. Tursunov, U. Z. Erkebaev, E. A. Tursunov, “Asimptotika resheniya zadachi Dirikhle dlya koltsa s kvadratichnymi rostami na granitsakh”, Izv. IMI UdGU, 2016, no. 2(48), 73–81
D. A. Tursunov, U. Z. Erkebaev, “Asimptoticheskoe razlozhenie resheniya vozmuschennogo ellipticheskogo uravneniya, kogda predelnoe uravnenie imeet osobye tochki”, Vestn. Tomsk. gos. un-ta. Matem. i mekh., 2015, no. 3(35), 26–34
D. A. Tursunov, U. Z. Erkebaev, “Asimptotika resheniya zadachi Dirikhle dlya bisingulyarno vozmuschennogo uravneniya v koltse”, Vestn. Udmurtsk. un-ta. Matem. Mekh. Kompyut. nauki, 25:4 (2015), 517–525