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JOURNALS // Izvestiya Rossiiskoi Akademii Nauk. Seriya Matematicheskaya // Archive

Izv. RAN. Ser. Mat., 2025 Volume 89, Issue 2, Pages 128–145 (Mi im9613)

Toward efficient numerical solutions of non-linear integral equations with TLD algorithm

I. Sedkaabc, A. Khellafcd

a Université Amar Telidji Laghouat, Algeria
b Université 8 Mai 1945 Guelma, Algeria
c Laboratoire de Mathématiques Appliquées et de Modélisation (LMAM)
d École Nationale Polytechnique de Constantine, Algeria

Abstract: This study focuses on a specific type of non-linear second-order integral equations defined over a considerable interval. We propose a new numerical method, the TLD, in three phases: transformation of the equation, linearization via the Newton–Kantorovich method, and discretization with the Nyström technique. We theoretically define the convergence conditions and illustrate the accuracy of our method on several practical examples.

Keywords: systems of nonlinear integral equations, Fredholm integral equation, Newton-type methods, partial integro-differential equations.

UDC: 517.9

MSC: 45G15, 45B05, 49M15, 35R09

Received: 08.06.2024
Revised: 13.08.2024

Language: English

DOI: 10.4213/im9613


 English version:
Izvestiya: Mathematics, 2025, 89:2, 341–358

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© Steklov Math. Inst. of RAS, 2025