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2014 | OriginalPaper | Buchkapitel

5. A Riemannian Geometry in the \(q\)-Exponential Banach Manifold Induced by \(q\)-Divergences

verfasst von : Héctor R. Quiceno, Gabriel I. Loaiza, Juan C. Arango

Erschienen in: Geometric Theory of Information

Verlag: Springer International Publishing

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Abstract

In this chapter we consider a deformation of the nonparametric exponential statistical models, using the Tsalli’s deformed exponentials, to construct a Banach manifold modelled on spaces of essentially bounded random variables. As a result of the construction, this manifold recovers the exponential manifold given by Pistone and Sempi up to continuous embeddings on the modeling space. The \(q\)-divergence functional plays two important roles on the manifold; on one hand, the coordinate mappings are in terms of the \(q\)-divergence functional; on the other hand, this functional induces a Riemannian geometry for which the Amari’s \(\alpha \)-connections and the Levi-Civita connections appears as special cases of the \(q\)-connections induced, \(\bigtriangledown ^{(q)}\). The main result is the flatness (zero curvature) of the manifold.

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Metadaten
Titel
A Riemannian Geometry in the -Exponential Banach Manifold Induced by -Divergences
verfasst von
Héctor R. Quiceno
Gabriel I. Loaiza
Juan C. Arango
Copyright-Jahr
2014
DOI
https://doi.org/10.1007/978-3-319-05317-2_5

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