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arXiv 1508.03358math.ATmath.AGmath.NT
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高度为2的Morava E-理论的模曲线和幂运算的半稳定模型

Semistable models for modular curves and power operations for Morava E-theories of height 2

Yifei Zhu

摘要:

我们构造了完备Noether局部环上的Lubin-Tate曲线的一个积分模型,它是形式变形的有限子群的模.它们是模曲线X_0(p)在mod-p超奇异点处的p-adic补。我们的模型是半稳定的,因为它的特殊纤维的唯一奇点是正规交叉。给出了这个模型,我们得到了Morava E-理论的Dyer-Lashof代数在高度为2的椭圆上同调幂运算的局部模的统一表示。

英文摘要:

We construct an integral model for Lubin-Tate curves as moduli of finite subgroups of formal deformations over complete Noetherian local rings. They are p-adic completions of the modular curves X_0(p) at a mod-p supersingular point. Our model is semistable in the sense that the only singularities of its special fiber are normal crossings. Given this model, we obtain a uniform presentation for the Dyer-Lashof algebra of Morava E-theories at height 2 as local moduli of power operations in elliptic cohomology.

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