High order integrators obtained by linear combinations of symmetric-conjugate compositions

作者：

Highlights：

• A new family of composition methods obtained by combination of time-symmetric compositions using complex coefficients.

• They are constructed by linear combinations of symmetric-conjugate compositions.

• These new schemes are easily parallelizable.

摘要

•A new family of composition methods obtained by combination of time-symmetric compositions using complex coefficients.•They are constructed by linear combinations of symmetric-conjugate compositions.•These new schemes are easily parallelizable.

论文关键词：Composition methods,Symmetric-conjugate compositions,Complex coefficients,Preservation of properties,Parabolic equations

论文评审过程：Received 31 May 2021, Revised 14 September 2021, Accepted 28 September 2021, Available online 11 October 2021, Version of Record 11 October 2021.

论文官网地址：https://doi.org/10.1016/j.amc.2021.126700