The Homology of the real moduli spaces (M)(0,n)
Abstract
We compute the rank of the first homology group and we study the higher Betti numbers of the real points of the Deligne-Mumford-Knudsen compactification of stable n-pointed curves of genus 0,which coincides with the Chow quotient (RP1)n//PGL(2,R)(after Kapranov).
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