Swapnil Kumar SinghCosmology · Gravitation · Engineering

01 · Cosmology

Effective Running Hubble Constant from Binned Pantheon Data

National Astronomical Observatory of Japan · ENEA–Sapienza University of Rome

March 2026 — presentTokyo, Japan · Rome, Italy

A quantity treated as a constant is allowed to move—and the late Universe is asked whether it notices.

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The question

Can redshift-binned supernova data distinguish a genuinely evolving expansion scale from the imprint of the background model?

FormalismThe mathematical structure will appear here.Derivations · assumptions · limiting cases
ComputationThe numerical experiment will appear here.Simulation · inference · verification
ObservablesThe physical evidence will appear here.Figures · diagnostics · interpretation

The horizon

The complete record will bring together likelihood surfaces, posterior geometry, model comparison, and the redshift structure of the inferred expansion history.