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arxiv: 1404.5896 · v1 · pith:47IZ23CHnew · submitted 2014-04-23 · 🧮 math.KT

Low-dimensional Homology of SL₂(k[t,1/t])

classification 🧮 math.KT
keywords homologyk-theorylow-dimensionalalgebraicanaloguescalculatecertaincongruence
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We prove analogues of the fundamental theorem of algebraic K-theory for the second and third homology of SL_2 over an infinite field k. The statements involve Milnor-Witt K-theory and scissors congruence groups. We use these results to calculate the low-dimensional homology of SL_2 of Laurent polynomials over certain fields.

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