The Math-Fun mailing list is mostly open admission. I need a direct email from the new member saying "I want to join" or equivalent, and an email address. I ask for a couple of sentences about the member's math interests. For website signups, I send an email to check that the member is real. I ignore signups that look like bots or other fakes. Feel free to suggest to friends that they should sign up, and contact me directly if the website is uncooperative. I've had to give up on tracking down mailing list anomalies, and just try to work around problems. :-( Child prodigies are welcome, but I ask a parent to also join. Rich -------------- Quoting David Wilson <davidwwilson@comcast.net>:
I would like to recommend Geoffrey Campbell to the math-fun mailing list. His Facebook profile is here:
https://www.facebook.com/geoffrey.campbell.180
He says he has attempted to subscribe via
https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun
but "It kept declining my email address and proposed password - the entry requirement."
At any rate, Geoffrey regularly posts some interesting math puzzlers on LinkedIn Number Theory group, which is how I encountered him. I think he would make a good member, if there are no objections.
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