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On tea, donuts and non-commutative geometry (1605.07543v4)
Published 24 May 2016 in math.AG, math.HO, and math.OA
Abstract: As many will agree, it feels good to complement a cup of tea by a donut or two. This sweet relationship is also a guiding principle of non-commutative geometry known as Serre Theorem. We explain the algebra behind this theorem and prove that elliptic curves are complementary to the so-called non-commutative tori.
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