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early universe 2bubble nucleation 1curvature perturbations 1dark energy 1hubble tension 1interacting dark energy 1late universe 1thick-wall analysis 1thin-wall approximation 1vacuum decay 1

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most citedResolving the Planck-DESI tension by nonminimally coupled quintessence

14 citations

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q-fin.CP2026

Calibrating the Heston model with deep differential networks

Giovanni Amici, Marco Morandotti, Chen Zhang

We propose a gradient-based deep learning framework to calibrate the Heston option pricing model (Heston, 1993). Our neural network, henceforth deep differential network (DDN), lea…