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arXiv 0705.3632math.NT
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与shuffle-product相关的算术性质

Arithmetic properties related to the shuffle-product

Roland Bacher

摘要:

洗牌产品的性质建议定义一个二次型的域和值在正式幂级数在一个领域的特征2。这种二次型保持了有理(分别为代数)幂级数,并且它对具有常数项1的级数的仿射子空间的限制是双射的。在猜想上,这个双射限制为有理(分别为代数)形式幂级数的双射。

英文摘要:

Properties of the shuffle product suggest the definition of a quadratic form with domain and values in formal power series over a field of characteristic 2. This quadratic form preserves rational (respectively algebraic) power series and its restriction to the affine subspace of series with constant term 1 is bijective. Conjecturally, this bijection restricts to a bijection of rational (respectively algebraic) formal power series.

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