Now you are in the subtree of Finance public knowledge tree.

Risk-Free Rates

https://ibors.fieldfisher.com/what-are-rfrs/

https://www.bankofengland.co.uk/markets/transition-to-sterling-risk-free-rates-from-libor
https://global.pimco.com/en-gbl/resources/education/understanding-interest-rate-swaps

Interest rates benchmark reform and options markets

Peterbarg https://scholar.google.com/citations?user=6i7Q_aYAAAAJ&hl=en