2 papers
math.RA2026
The free tracial post-Lie-Rinehart algebra of planar aromatic trees for the design of divergence-free Lie-group methods
Adrien Busnot Laurent, Hans Munthe-Kaas, Venkatesh G. S
Aromatic Butcher series were successfully introduced for the study and design of numerical integrators that preserve volume while solving differential equations in Euclidean spaces…
math.PR2025
A short proof of Isserlis' theorem
Hans Z. Munthe-Kaas, Olivier Verdier, Gilles Vilmart
We show that Isserlis' theorem follows as a corollary to the invariant tensor theorem for isotropic tensors.