@bitemyapp Algebra, with a lot of machinery stolen from topology.
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Replying to @bitemyapp
@bitemyapp A fair amount of category theory. Not homotopy but homology.1 reply 0 retweets 0 likes -
Replying to @bitemyapp
@bitemyapp I haven't done any significant research in 10 years. Why do you ask?1 reply 0 retweets 1 like -
Replying to @bitemyapp
@bitemyapp Note that my perspective on category theory is radically different from the way it's used in computer science.1 reply 0 retweets 1 like -
Replying to @St_Rev
@St_Rev that's a good thing. I need variety. Is http://www.amazon.com/gp/aw/d/0821816462?pc_redir=1405488642&robot_redir=1 … any good?2 replies 0 retweets 0 likes -
Replying to @bitemyapp
@bitemyapp The kiddie version, http://www.amazon.com/gp/aw/d/1568810687/ref=mw_dp_buyxgety_y …, is excellent and what I first learned algebra from.1 reply 1 retweet 1 like
@bitemyapp As in, ppl say "this follows by abstract nonsense" and everybody knows that means straightforward but tedious crank-turning
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.