2015
DOI: 10.1063/1.4905966
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Transversely Hessian foliations and information geometry

Abstract: A family of probability distributions parametrized by an open domain Λ in R n defines the Fisher information matrix on this domain which is positive semi-definite. In information geometry the standard assumption has been that the Fisher information matrix tensor is positive definite defining in this way a Riemannian metric on Λ. If we replace the "positive definite" assumption by the existence of a suitable torsion-free connection, a foliation with a transversely Hessian structure appears naturally. In the pap… Show more

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Cited by 7 publications
(9 citation statements)
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“…When we deal with the vector tangent bundles the differential operator D ∇∇ * plays many outstanding roles in the global analysis of the base manifold [6]. In general though every vector bundle admits positive metric structures this same claim is far from being true for symplectic structure and for positive signature metric structures.…”
Section: Gauge Structures In a Vector Bundle Ementioning
confidence: 96%
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“…When we deal with the vector tangent bundles the differential operator D ∇∇ * plays many outstanding roles in the global analysis of the base manifold [6]. In general though every vector bundle admits positive metric structures this same claim is far from being true for symplectic structure and for positive signature metric structures.…”
Section: Gauge Structures In a Vector Bundle Ementioning
confidence: 96%
“…We deduce from Corollary 2 that every special statistical manifold supports a canonical (quasi) 4-web, viz 4 foliations in (quasi) general position. Before pursing we remark that among formalisms introduce in [6], many (of them) walk in the category of vector bundles. We go to perform this remark.…”
Section: Proposition 3 ([5])mentioning
confidence: 99%
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