Martin Gander gave a very nice talk on a linear algebra approach to time parallelisation as part of the European Numerical Linear Algebra (ENLA) online seminar. The video for the talk can be found at: https://www.youtube.com/watch?v=DfY_w6KnfhU

A full list of past ENLA lectures can be found at https://www.youtube.com/channel/UCl3AmvN5JwD4FUJn2aLKDZQ