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arXiv 1111.1495math.NTmath.CO
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一个统一的偏θ函数和伪θ函数

A Unified Partial and Mock Theta Function

Robert C. Rhoades

摘要:

一元θ函数在全纯模形式和模$L$ -函数理论中起着重要的作用。类似地定义了部分θ函数,但是其和是在整数格的一部分上。这样的和不具有模的性质。我们给出了一个结构,统一这些部分θ函数与模拟θ函数引入Ramanujan。拉马努金的模拟θ函数的模块性直到最近才被桑德·茨韦格斯的工作所理解。

英文摘要:

Unary theta functions have played a significant role in the theory of holomorphic modular forms and modular $L$-functions. A partial theta functions is defined analogously, but the sum is over part of the integer lattice. Such sums fail to have modular properties. We give a construction which unifies these partial theta functions with the mock theta function introduced by Ramanujan. The modularity of Ramanujan's mock theta functions has only recently been understood by the work of Sander Zwegers.

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