- [[yog]] https://mathstodon.xyz/@yog/109255254932431654
- [[ctc@mastodon.me.uk]] https://mastodon.me.uk/@ctc/110269850267652338
- [[ctc@mastodon.me.uk]] https://mastodon.me.uk/@ctc/110277152347828868
- [[ctc@mastodon.me.uk]] https://mastodon.me.uk/@ctc/110292499493834637