
With this follow-up paper, we continue developing a mathematical framework based on information geometry for representing physical objects. The long-term goal is to lay down informational foundations for physics, especially quantum physics. We assume that we can now model information sources as univariate normal probability distributions N (μ, σ0), as before, but with a constant σ0 not necessarily equal to 1. Then, we also relaxed the independence condition when modeling m sources of information. Now, we model m sources with a multivariate normal probability distribution Nm(μ,Σ0) with a constant variance–covariance matrix Σ0 not necessarily diagonal, i.e., with covariance values different to 0, which leads to the concept of modes rather than sources. Invoking Schrödinger’s equation, we can still break the information into m quantum harmonic oscillators, one for each mode, and with energy levels independent of the values of σ0, altogether leading to the concept of “intrinsic”. Similarly, as in our previous work with the estimator’s variance, we found that the expectation of the quadratic Mahalanobis distance to the sample mean equals the energy levels of the quantum harmonic oscillator, being the minimum quadratic Mahalanobis distance at the minimum energy level of the oscillator and reaching the “intrinsic” Cramér–Rao lower bound at the lowest energy level. Also, we demonstrate that the global probability density function of the collective mode of a set of m quantum harmonic oscillators at the lowest energy level still equals the posterior probability distribution calculated using Bayes’ theorem from the sources of information for all data values, taking as a prior the Riemannian volume of the informative metric. While these new assumptions certainly add complexity to the mathematical framework, the results proven are invariant under transformations, leading to the concept of “intrinsic” information-theoretic models, which are essential for developing physics.
information geometry, quantum harmonic oscillator, Science, Physics, QC1-999, Q, Varietats de Riemann, Schrödinger equation, riemannian manifolds, Astrophysics, Article, principle of minimum fisher’s information, QB460-466, Bayesian statistical decision, Riemannian manifolds, Estadística bayesiana, schrödinger’s equation, Equació de Schrödinger, fisher’s information
information geometry, quantum harmonic oscillator, Science, Physics, QC1-999, Q, Varietats de Riemann, Schrödinger equation, riemannian manifolds, Astrophysics, Article, principle of minimum fisher’s information, QB460-466, Bayesian statistical decision, Riemannian manifolds, Estadística bayesiana, schrödinger’s equation, Equació de Schrödinger, fisher’s information
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