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math.NA2023
Symmetric resonance based integrators and forest formulae
Yvonne Alama Bronsard, Yvain Bruned, Georg Maierhofer +1
In the present work we introduce a unified framework that allows for the very first systematic construction of symmetric resonance-based integrators to approximate a wide class of…
math.NA2023★ 1 cited
Long-time error bounds of low-regularity integrators for nonlinear Schrödinger equations
Yue Feng, Georg Maierhofer, Katharina Schratz
We introduce a new non-resonant low-regularity integrator for the cubic nonlinear Schrödinger equation (NLSE) allowing for long-time error estimates which are optimal in the sense…