By Daniel Erman
There is a wealth of information on the internet about how to give a good Mathematics talk, including:
(*) Gian-Carlo Rota’s essay “Ten lessons I wish I had been taught”
(*) John Baez’s “Advice for the young scientist”
(*) Terence Tao’s “Talks are not the same as papers”
In this post, I’d like to consider an aspect of lecturing which is not emphasized in the above sources, but which I think is extremely important. Lecturing necessarily involves choosing to emphasize some aspects of the material over others. A common pitfall I’ve seen among speakers—especially student speakers—is to apologize during the talk for such choices, or to make self-deprecating jokes. This is nearly always a bad idea, as it distracts from the point of your talk. Continue reading