Tag Archives: Puzzle

En Passant III

Question: When you are sick in bed, can you do any mathematics? I just spent the past few weeks with a sinus infection and was completely unable to do anything productive, that is, apart from writing an NSF grant (which … Continue reading

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Exercise concerning quaternion algebras

Here’s a fun problem that came up in a talk by Jacob Tsimerman on Monday concerning some joint work with Andrew Snowden: Problem: Let be a quaternion algebra such that the specialization splits for almost all . Then show that … Continue reading

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