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Moriba Jah

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CorrFellow @RoyalSocEd, @MacFound, @TEDFellow, Space Environmentalist, Professor @UTAustin, Co-Founder & Chief Scientist @PrivateerSpace T/RT are my own
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Articles

Rank, Fibers, and Falsifiability: A Rank-Aware Possibilistic Cramér–Rao Bound for Evidence-Driven Contraction

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By Moriba Jah
| preprints.org
This version is not peer-reviewed. You are already at the latest version The Possibilistic Cramér–Rao Bound (PCRB) of the Theory of Epistemic Abductive Geometry (TEAG) floors the rate at which evidence may delete admissible microstates: \(H_π^{+} \geq H_π^{-} + \tfrac{n}{2}\log(1-I_k)\), with \(n\) the state dimension and \(I_k\) the Choquet information content of the observation.
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Rights for rivers and ice cream for all: top reads for the summer holidays

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By Moriba Jah, Seema Mundoli, Fyodor Urnov, Eddy Chen, Maia Chankseliani, Heidi Larson, Doreen Ramogola-Masire, Nathaniel J. Dominy, Patience K. Kiyuka
| Nature Verified
Is a River Alive? Robert Macfarlane Penguin (2026) Switch off your headlamp in Ecuador’s Los Cedros cloud forest and the darkness begins to glow. The fallen branches and tree stumps shine a soft yellow-silver, lit by webs of fungus beneath the forest floor. It’s an arresting opening to writer Robert Macfarlane’s Is a River Alive? — a slim, lyrical book that revisits an old question with fresh urgency. His answer is a clear, resounding yes.
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Toward a Possibilistic Language Model: Grounding Large Language Model Uncertainty in Epistemic Support-Point Theory and Possibility Theory

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By Moriba Jah
| preprints.org
This version is not peer-reviewed. You are already at the latest version Contemporary large language models (LLMs) generate text by sampling from probability distributions over vocabulary tokens, implicitly asserting that uncertainty about language is well-modeled by calibrated stochastic processes. This paper argues that such probabilistic closure is epistemically unjustified in the regime of language: meaning is bounded by admissible interpretation, not governed by frequentist statistics.
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