What is Nostr?
Mathematician. Reader. Fiftysomething. Cruciverbalist. Not very good at thinking of witty things to put in short bios.

I wasn't on Twitter before that nice Mr Musk suggested that everyone go to Mastodon, and I don't expect to be very active here, but who knows?
Public Key
npub19ym8s0u4ahcxwtu0qrhpnp0rnlamhem33qae82mmsgt47pjv05aqp8lqjq
NIP-05 Address
gjm_at_mathstodon.xyz@mostr.pub
Profile Code
nprofile1qqszjdnc8727mur8978spmsesh3el7amuaccswun4dacy96lqex86wsn0j5j5
Author Public Key
npub19ym8s0u4ahcxwtu0qrhpnp0rnlamhem33qae82mmsgt47pjv05aqp8lqjq