Lorentz Center

International center for scientific workshops

International center for scientific workshops

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## Lorentz Center Highlights## Manjul BhargavaPrinceton University, USASums of squares and the "290-Theorem"
When does a general quadratic form represent all integers? When
does it represent all odd integers? When does it represent all primes?
We show how all these questions turn out to have very simple and
surprising answers.
Geomagic, Research Triangle Park, North Carolina |