David Nacin
@quadratablog
Professor and author. I design and study puzzles involving groups, partition identities, the motion of chess pieces, and other mathematical structures.
16-05-2018 16:19:50
174 Tweets
171 Followers
166 Following
@quadratablog
Professor and author. I design and study puzzles involving groups, partition identities, the motion of chess pieces, and other mathematical structures.
16-05-2018 16:19:50
174 Tweets
171 Followers
166 Following
