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Related papers: $\kappa$-exponential models from the geometrical v…

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We show that the typical nonexpansive mapping on a small enough subset of a CAT($\kappa$)-space is a contraction in the sense of Rakotch. By typical we mean that the set of nonexpansive mapppings without this property is a $\sigma$-porous…

Functional Analysis · Mathematics 2021-08-06 Christian Bargetz , Michael Dymond , Emir Medjic , Simeon Reich

Hopf algebroid structures on the Weyl algebra (phase space) are presented. We define the coproduct for the Weyl generators from Leibniz rule. The codomain of the coproduct is modified in order to obtain an algebra structure. We use the dual…

Mathematical Physics · Physics 2014-12-16 Tajron Jurić , Domagoj Kovačević , Stjepan Meljanac

I introduce in kappa-Minkowski noncommutative spacetime the basic tools of quantum differential geometry, namely bicovariant differential calculus, Lie and inner derivatives, the integral, the Hodge-star and the metric. I show the relevance…

Quantum Algebra · Mathematics 2018-11-05 Flavio Mercati

The quantum phase space described by Heisenberg algebra possesses undeformed Hopf algebroid structure. The $\kappa$-deformed phase space with noncommutative coordinates is realized in terms of undeformed quantum phase space. There are…

High Energy Physics - Theory · Physics 2014-02-10 Tajron Juric , Stjepan Meljanac , Rina Strajn

A new orthogonal decomposition for bivariate probability densities embedded in Bayes Hilbert spaces is derived. It allows one to represent a density into independent and interactive parts, the former being built as the product of revised…

Statistics Theory · Mathematics 2020-12-25 Karel Hron , Jitka Machalová , Alessandra Menafoglio

We introduce a novel perspective by linking ordered probabilistic choice to copula theory, a mathematical framework for modeling dependencies in multivariate distributions. Each representation of ordered probabilistic choice behavior can be…

Theoretical Economics · Economics 2025-07-10 Christopher P. Chambers , Yusufcan Masatlioglu , Kemal Yildiz

Probability density estimation is a central task in statistics. Copula-based models provide a great deal of flexibility in modelling multivariate distributions, allowing for the specifications of models for the marginal distributions…

Methodology · Statistics 2024-05-08 Nicolás Kuschinski , Richard Warr , Alejandro Jara

Uniform characterizations of certain special subspaces of products of lines are presented. The characterizations all involve a collection of subsets (base, almost subbase, network or point network) organized by a directed set. New…

General Topology · Mathematics 2015-01-12 Ziqin Feng , Paul Gartside

Let X be a locally compact Abelian group. We consider linear forms of independent random variables with values in X. In doing so, one of the coefficients of the linear forms is a random variable with a Bernoulli distribution. For some…

Probability · Mathematics 2025-10-06 Gennadiy Feldman

We introduce, for every $\mathbb{Z}$-graded manifold, a formal exponential map defined in a purely algebraic way and study its properties. As an application, we give a simple new construction of a Fedosov type resolution of the algebra of…

Differential Geometry · Mathematics 2019-10-15 Hsuan-Yi Liao , Mathieu Stiénon

A novel approach to study the properties of models with quantum-deformed relativistic symmetries relies on a noncommutative space of worldlines rather than the usual noncommutative spacetime. In this setting, spacetime can be reconstructed…

High Energy Physics - Theory · Physics 2022-01-05 Angel Ballesteros , Giulia Gubitosi , Ivan Gutierrez-Sagredo , Flavio Mercati

For orthogonal polynomials defined by compact Jacobi matrix with exponential decay of the coefficients, precise properties of orthogonality measure is determined. This allows showing uniform boundedness of partial sums of orthogonal…

Functional Analysis · Mathematics 2007-05-23 Josef Obermaier , Ryszard Szwarc

The exponential family of random graphs is one of the most promising class of network models. Dependence between the random edges is defined through certain finite subgraphs, analogous to the use of potential energy to provide dependence…

Mathematical Physics · Physics 2015-06-11 Mei Yin

We show that, up to terms of order 1/kappa^5, the kappa-deformed Poincare algebra can be endowed with a triangular quasibialgebra structure. The universal R matrix and coassociator are given explicitly to the first few orders. In the…

High Energy Physics - Theory · Physics 2009-01-26 C. A. S. Young , R. Zegers

The noncommutative space of light-like worldlines that is covariant under the light-like (or null-plane) $\kappa$-deformation of the (3+1) Poincar\'e group is fully constructed as the quantization of the corresponding Poisson homogeneous…

High Energy Physics - Theory · Physics 2022-04-28 Angel Ballesteros , Ivan Gutierrez-Sagredo , Francisco J. Herranz

We consider the creation conditions of diverse hierarchical trees both analytically and numerically. A connection between the probabilities to create hierarchical levels and the probability to associate these levels into a united structure…

Statistical Mechanics · Physics 2011-06-21 A. I. Olemskoi , S. S. Borysov , I. A. Shuda

The kappa-deformed dual pair of Poincare algebra and Poincare group is formulated in the framework of Heisenberg doubles. The covariant kappa-deformed phase space is described in detail as a subalgebra.The realizations of proposed algebraic…

q-alg · Mathematics 2008-02-03 J. Lukierski , A. Nowicki

In this letter, we determine the $\kappa$-distribution function for a gas in the presence of an external field of force described by a potential U(${\bf r}$). In the case of a dilute gas, we show that the $\kappa$-power law distribution…

Astrophysics · Physics 2009-11-13 J. M. Silva , R. Silva , J. A. S. Lima

From a suitable integral representation of the Laplace transform of a positive semi-definite quadratic form of independent real random variables with not necessarily identical densities a univariate integral representation is derived for…

Statistics Theory · Mathematics 2007-11-01 T. Royen

Self-gravitating systems with nonlocal, long-range interactions are described by nonextensive statistics. Recently, Leubner demonstrated that the nonextensivity parameter $\kappa$ should be negative for self-gravitating, pressureless…

Astrophysics · Physics 2007-05-23 Mikhail V. Medvedev