Olivier Pourquier

Circular trichotomy of the spectrum of regular matrix pencils

M. Sadkane, A. Malyshev, Olivier Pourquier, 2011 .

About the conditioning of matrices in the p -version of the finite element method for second order elliptic problems

J. Maître, Olivier Pourquier, J. Maitre, 1995 .

Condition number and diagonal preconditioning: comparison of the $p$-version and the spectral element methods

J. Maître, Jean-François Maitre, Olivier Pourquier, 1996 .