Finite Element Method Solution of a Boundary Value Problem for an Elliptic Equation with the Dirac Delta Function on the Right-Hand Side

Translated title of the contribution	Решение краевой задачи для эллиптического уравнения с дельта-функцией Дирака в правой части методом конечных элементов
Original language	English
Article number	3
Pages (from-to)	309-319
Number of pages	11
Journal	Numerical Analysis and Applications
Volume	18
Issue number	4
DOIs	https://doi.org/10.1134/S1995423925700041
Publication status	Published - Dec 2025

augmented weak formulation, error estimate, finite element method, fractional Sobolev spaces, singular source term, two-dimensional Poisson equation