Treatment of nearly-singular problems with the X-FEM. - Grégory Legrain; Nicolas Moës (Adv. Model. Simul. Eng. Sci., 2014)

Low-Rank Approximate Inverse for Preconditioning Tensor-Structured Linear Systems. - Loïc Giraldi; Anthony Nouy; Grégory Legrain (SIAM J. Sci. Comput., 2014)

Non-negative moment fitting quadrature rules for fictitious domain methods. - Grégory Legrain (Comput. Math. Appl., 2021)