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arxiv: 1301.6059 · v1 · pith:RBCCGC7Dnew · submitted 2013-01-25 · 🧮 math.CO · math.CV

Homologies of moduli space mathcal{M}_(2,1)

classification 🧮 math.CO math.CV
keywords mathcalspacecellmoduliadjacencyallowsbettyboundary
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We consider the space $\mathcal{M}_{2,1}$ --- the open moduli space of complex curves of genus 2 with one marked point. Using language of chord diagrams we describe the cell structure of $\mathcal{M}_{2,1}$ and cell adjacency. This allows us to construct matrices of boundary operators and compute Betty numbers of $\mathcal{M}_{2,1}$ over $\mathbb{Q}$.

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