Low-dimensional Homology of SL2(k[t,1/t])
Abstract
We prove analogues of the fundamental theorem of algebraic K-theory for the second and third homology of SL2 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 SL2 of Laurent polynomials over certain fields.
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