Computation of the first Stiefel-Whitney class for the variety $\overline{{\mathcal M}_{0,n}^{\mathbb R}}$

preprint2014arXivOpen access

We compute the class which is Poincare dual to the first Stiefel-Whitney class for the Deligne-Mumford compactification of the moduli space of real algebraic curves of genus 0 with n marked and numbered points in terms of the natural cell decomposition of the variety under consideration.

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Computation of the first Stiefel-Whitney class for the variety $\overline{{\mathcal M}_{0,n}^{\mathbb R}}$

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Computation of the first Stiefel-Whitney class for the variety M0,nR‾\overline{{\mathcal M}_{0,n}^{\mathbb R}}M0,nR​​

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Computation of the first Stiefel-Whitney class for the variety $\overline{{\mathcal M}_{0,n}^{\mathbb R}}$