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arXiv 2103.10102math.DG
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统计流形的Bonnet定理

The Bonnet theorem for statistical manifolds

Taiji Marugame

摘要:

我们证明了统计流形的Bonnet定理,该定理指出,如果一个统计流形的张量满足Gauss-Codazzi-Ricci方程,那么它是局部嵌入到一个平坦的统计流形(或Hessian流形)。证明是基于统计嵌入的概念的产品的向量空间和它的对偶空间介绍的Lauritzen。作为另一个应用Lauritzen的嵌入,我们表明,统计流形承认仿射嵌入的余维1或2是局部嵌入到一个平坦的统计流形相同的余维。

英文摘要:

We prove the Bonnet theorem for statistical manifolds, which states that if a statistical manifold admits tensors satisfying the Gauss--Codazzi--Ricci equations, then it is locally embeddable to a flat statistical manifold (or a Hessian manifold). The proof is based on the notion of statistical embedding to the product of a vector space and its dual space introduced by Lauritzen. As another application of Lauritzen's embedding, we show that a statistical manifold admitting an affine embedding of codimension 1 or 2 is locally embeddable to a flat statistical manifold of the same codimension.

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