Orbifold Euler characteristics of universal cotangent line bundles on $\bar{M}_{1,n}$

Details Orbifold Euler characteristics of universal cotangent line bundles on $\bar{M}_{1,n}$ Orbifold Euler characteristics of universal cotangent line bundles on $\bar{M}_{1,n}$

2000-05-22

arxiv.org/abs/math/0005217v2

Mathematics

Algebraic Geometry

Scientific paper

A scheme of computing $\chi(\mbar_{1,n}, L_1^{\otimes d_1}\otimes ... \otimes L_n^{\otimes d_n})$ is given. Here $\mbar_{1,n}$ is the moduli space of $n$-pointed stable curves of genus one and $L_i$ are the universal cotangent line bundles defined by $x_i^*(\omega_{C/M})$, where $C \to \mbar_{1,n}$ is the universal curve, $\omega_{C/M}$ the relative dualizing sheaf and $x_i$ the marked point. This work is a sequel to \cite{YL1}.

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