What's a great christmas present for someone with a PhD in Mathematics? #1 Post by bamey » Sun, Dec 13, 2020, 10:30 AM UTC What's a great christmas present for someone with a PhD in Mathematics?mathoverflow.net
Re: What's a great christmas present for someone with a PhD in Mathematics? #2 Post by bamey » Sun, Dec 13, 2020, 10:33 AM UTC What could be better than a Klein Bottle?