Tag Archives: subfactors

The Abelian House is not closed

Today I will talk about For an algebraic integer , the house is the absolute value of the largest conjugate of Kronecker proved the following: If , then either or a root of unity. If and lives in a CM … Continue reading

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Small Cyclotomic Integers

Julia Robinson is a famous mathematician responsible for fundamental work in logic and in particular on Hilbert’s Tenth problem. Less well known nowadays is that her husband, Raphael Robinson, was a number theorist at Berkeley. One question R.Robinson asked concerned … Continue reading

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