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math.AG2013
Noncommutative reciprocity laws on algebraic surfaces: a case of tame ramification
D. V. Osipov
We prove non-commutative reciprocity laws on an algebraic surface defined over a perfect field. These reciprocity laws claim the splittings of some central extensions of globally c…
math.AG2013★ 24 cited
The two-dimensional Contou-Carrère symbol and reciprocity laws
Denis Osipov, Xinwen Zhu
We define a two-dimensional Contou-Carrère symbol, which is a deformation of the two-dimensional tame symbol and is a natural generalization of the (usual) one-dimensional Contou-C…