Publications and preprints

A Hybrid High-Order method for variable-exponent Leray–Lions problems with convergence under minimal regularity

A. Harnist and R. Mottier

In preparation
A priori error estimates for a Hybrid High-Order method on variable-exponent Leray–Lions problems

A. Harnist and R. Mottier

In preparation
Elasto-acoustic wave propagation in geophysical media using hybrid high-order methods on general meshes

R. Mottier, A. Ern and L. Guillot

HALarXivPDF
Unfitted hybrid high-order methods stabilized by polynomial extension for elliptic interface problems

E. Burman, A. Ern and R. Mottier

HALarXivPDF
Hybrid high-order methods for elasto-acoustic wave propagation in the time domain

R. Mottier, A. Ern, R. Khot and L. Guillot

HALarXivPDF

Thesis

Thesis defenseJuly 2025

Paris (France)

SlidesManuscript
Codes

Disk++ (wave propagation)  ·  ProtoN (unfitted HHO with polynomial extension)

Talks

Hybrid high-order methods for time-dependent, coupled elasto-acoustic wave propagationSlides
Unfitted HHO method with polynomial extension for elliptic interface problemsSlides

Posters

Numerical study of energy transfer in sedimentary basins using high-order methods