C. Xenophontos

collaborators

2 papers

math.NA2026

Analytic regularity for a fourth-order singularly perturbed boundary balue problem with two small parameters

I. Sykopetritou, C. Xenophontos

We consider a fourth order singularly perturbed boundary value problem with two small parameters, in one dimension, under the assumption of analytic input data. We show that the so…

math.NA2026

On norms and traces of the derivatives of the $L^{2}$ -projection error

Torsten LinÃ, Christos Xenophontos

We provide error bounds on the traces and norms of the derivative of the $L^{2}$ projection of an $H^{k}$ function onto the space of polynomials of degree $\leq p$ . The bounds are ex…

Analytic regularity for a fourth-order singularly perturbed boundary balue problem with two small parameters

On norms and traces of the derivatives of the L2-projection error

On norms and traces of the derivatives of the $L^{2}$ -projection error