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Answers
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17
Is any representation of a finite group defined over the algebraic integers?
9
Division Algebras as Algebraic Groups
5
Can the “physical argument” for the existence of a solution to Dirichlet’s problem be made into an actual proof?
5
Arithmetic progressions without small primes
3
Is there a good way to think of vanishing cycles and nearby cycles?
3
Solving polynomial equations when you know in which number field the solutions live
2
Very strong multiplicity one for Hecke eigenforms