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arXiv 1002.3279math.DGmath.GT
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平面模空间上的三角剖分与体积形式

Triangulations and volume form on moduli spaces of flat surfaces

Duc-Manh Nguyen

摘要:

本文研究了平移曲面结构变形后的曲面上具有圆锥奇点的平坦度量结构。这种平坦度量结构的模空间可以看作是平移曲面的模空间的某种变形。利用测地线三角剖分,我们定义了一个体积形式的模空间,并表明,在众所周知的情况下,这种体积形式同意通常的,乘法常数。

英文摘要:

In this paper, we are interested in flat metric structures with conical singularities on surfaces which are obtained by deforming translation surface structures. The moduli space of such flat metric structures can be viewed as some deformation of the moduli space of translation surfaces. Using geodesic triangulations, we define a volume form on this moduli space, and show that, in the well-known cases, this volume form agrees with usual ones, up to a multiplicative constant.

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