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For questions in Mathematics Education as a scientific discipline. For more hands-on questions on teaching Mathematics, please use the tag teaching. There is also a Stack Exchange community http://matheducators.stackexchange.com/

14 votes

Depressed graduate student.

I went through a depressed period in grad school. I felt I couldn't understand modern algebraic geometry (even after a full year of working through Hartshorne's book!) and thought there was no hope of …
10 votes

Cool problems to impress students with group theory

There's a group-action proof of the famous Morley's theorem in Euclidean Geometry: http://www.ems-ph.org/journals/newsletter/pdf/2004-12-54.pdf. It's near the end of Alain Connes's article. This proof …