Abstract
We study the class on non-parametric deformed statistical models where the deformed exponential has linear growth at infinity and is sub-exponential at zero. This class generalizes the class introduced by N.J. Newton. We discuss the convexity and regularity of the normalization operator, the form of the deformed statistical divergences and their convex duality, the properties of the escort densities, and the affine manifold structure of the statistical bundle
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Acknowledgements
The Authors wish to thank the anonymous referees whose comments have led to a considerable improvement of the paper. L. Montrucchio is Honorary Fellow of the Collegio Carlo Alberto Foundation. G. Pistone is a member of GNAMPA-INdAM and acknowledges the support of de Castro Statistics and Collegio Carlo Alberto.
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Montrucchio, L., Pistone, G. (2019). A Class of Non-parametric Deformed Exponential Statistical Models. In: Nielsen, F. (eds) Geometric Structures of Information. Signals and Communication Technology. Springer, Cham. https://doi.org/10.1007/978-3-030-02520-5_2
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