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Comparison of different approaches of finding the positive definite metric in pseudo-Hermitian theories

3 Pith papers cite this work, alongside 4 external citations. Polarity classification is still indexing.

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abstract

To develop a unitary quantum theory with probabilistic description for pseudo- Hermitian systems one needs to consider the theories in a different Hilbert space endowed with a positive definite metric operator. There are different approaches to find such metric operators. We compare the different approaches of calculating pos- itive definite metric operators in pseudo-Hermitian theories with the help of several explicit examples in non-relativistic as well as in relativistic situations. Exceptional points and spontaneous symmetry breaking are also discussed in these models.

years

2026 2 2023 1

verdicts

UNVERDICTED 3

representative citing papers

Bayesian Global Fr\'echet Regression via Weak Conditional Expectations

stat.ME · 2026-06-06 · unverdicted · novelty 7.0

A Bayesian global Fréchet regression method is introduced via a Fréchet Bayes rule that reduces the problem to scalar tasks, allows prior-data interpolation, and remains valid under moment conditions using weak conditional expectations.

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