Publications de Xavier VASSEUR
Detecting dynamic patterns in dynamic graphs using subgraph isomorphism
Pattern Analysis and Applications, 2023, ⟨10.1007/s10044-023-01145-z⟩
On Iterative Solution of the Extended Normal Equations
SIAM Journal on Matrix Analysis and Applications, 2020, 41 (4), pp.1571-1589. ⟨10.1137/19M1288644⟩
On the approximation of the solution of partial differential equations by artificial neural networks trained by a multilevel Levenberg-Marquardt method
Optimization Methods and Software, 2020
On a multilevel Levenberg–Marquardt method for the training of artificial neural networks and its application to the solution of partial differential equations
Optimization Methods and Software, 2020, pp.1-26. ⟨10.1080/10556788.2020.1775828⟩
On high-order multilevel optimization strategies
SIAM Journal on Optimization, 2020, 31 (1), pp.307-330. ⟨10.1137/19M1255355⟩
ON THE ITERATIVE SOLUTION OF SYSTEMS OF THE FORM A T Ax = A T b + c
SIAM Journal on Matrix Analysis and Applications, 2020, pp.1-25
Modelling spatially correlated observation errors in variational data assimilation using a diffusion operator on an unstructured mesh
Quarterly Journal of the Royal Meteorological Society, 2019, pp.1-21. ⟨10.1002/qj.3537⟩
Time-parallel simulation of the decay of homogeneous turbulence using Parareal with spatial coarsening
Computing and Visualization in Science, 2018, Special Issue Parallel-in-Time Methods, 19, pp.31-44. ⟨10.1007/s00791-018-0295-0⟩
Low rank updates in preconditioning the saddle point systems arising from data assimilation problems
Optimization Methods and Software, 2018, 33 (1), pp.45-69. ⟨10.1080/10556788.2016.1264398⟩
A new preconditioner update strategy for the solution of sequences of linear systems in structural mechanics: application to saddle point problems in elasticity
Computational Mechanics, 2017, 60 (6), pp.969-982. ⟨10.1007/s00466-017-1450-z⟩
Reducing complexity of algebraic multigrid by aggregation
Dans : Numerical Linear Algebra with Applications, Wiley, Vol. 23, p. 501-518, 2016.
A parallel evolution strategy for an Earth imaging problem in geophysics,
Dans : Optimization Engineering, Taylor & Francis Group, Vol. 17 N. 1, p. 2-26, 2016.
A parallel evolution strategy for an Earth imaging problem in geophysics
Dans : Optimization and Engineering, Springer, Vol. 17, N. 1, p. 3-26, 2016.
Limited memory preconditioners for symmetric indefinite problems with application to structural mechanics
Dans : Numerical Linear Algebra with Applications, Wiley, Vol. 23 N. 5, p. 865-887, 2016.
Sequential estimation of surface water mass changes from daily satellite gravimetry data
Dans : Journal of Geodesy, Springer, Vol. 89, p. 259-282, 2015.
Energy backward error: interpretation in numerical solution of elliptic partial differential equations and convergence of the conjugate gradient method
Dans : Electronic Transaction on Numerical Analysis, Kent State UNiversity, USA, Vol. 40, p. 338-355, 2013.
Constrained regional recovery of continental water mass time-variations from GRACE-based geopotential anomalies
Dans : Surveys in Geophysics, Springer, Vol. 33 N. 5, p. 887-905, 2012.
Two-Level preconditioned Krylov subspace methods for the solution of three-dimensional heterogeneous Helmholtz problems in seismics
Dans : Numerical Analysis and Applications, Springer, Vol. 5 N. 2, p. 175-191, mai 2012.
Flexible variants of block restarted GMRES methods with application to geophysics
Dans : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 34 N. 2, p. 714-736, 2012.
GRACE-derived surface mass anomalies by energy integral approach. Application to continental hydrology
Dans : Journal of Geodesy, Springer, Vol. 85 N. 6, p. 313-328, 2012.
A flexible generalized conjugate residual method with inner orthogonalization and deflated restarting
Dans : SIAM Journal on Matrix Analysis and Applications, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 32 N. 4, p. 1212-1235, 2011.
Flexible GMRES with Deflated Restarting
Dans : SIAM Journal on Scientific Computing, Society for Industrial and Applied Mathematics (SIAM), USA, Vol. 32 N. 4, p. 1858-1878, 2010.
Flexible GMRES with Deflated Restarting with Application for the Solution of the Helmoltz Equations
Dans : Minisymposium on Domain-Based and Krylov-Based Deflation Methods for Flow in Porous Media at the 2007 SIAM Conference on Mathematical and Computational Issues in the Geosciences, Santa Fe, New Mexico, 19/03/07-22/03/07 (conférencier invité).
Flexible GMRES with deflated restarting with application to a solution of the Helmholtz equation
Dans : ICIAM 2007, Minisymposium on Solution methods for sequences of linear systems and applications., Zurich, 16/07/07-20/07/07 (conférencier invité).