由正特征超曲面确定的函数
A function determined by a hypersurface of positive characteristic
摘要:
设R是素特征为p的完满域k上的形式幂级数环幂级数环,m是R的极大理想.假设f是m中的非零元素。本文引入一个与定义在R中闭区间[0,1]上的超曲面相关联的函数xi(x)。超曲面的Hilbert-Kunz函数和F-签名表现为我们的函数xi(x)在区间s端点上的值。
英文摘要:
Let R be a formal power series ring over a perfect field k of prime characteristic p, and let m be the maximal ideal of R. Suppose f is a non-zero element in m. In this paper, we introduce a function xi (x) associated with a hypersurface defined on the closed interval [0, 1] in R. The Hilbert-Kunz function and the F-signature of a hypersurface appear as the values of our function xi (x) on the interval s endpoints.
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