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New PST estimator enables gradient-based machine learning for discrete stochastic systems

Researchers have developed a new method called Propensity Straight-Through (PST) estimator for training discrete stochastic systems with gradient-based machine learning. This technique addresses limitations in current methods by enabling exact gradient calculations through Gillespie-type simulations. PST demonstrates competitive accuracy with existing methods like Gumbel Softmax, while converging faster and offering a temperature- and Gumbel-free approach for scalable learning. AI

IMPACT Enables more efficient training of complex stochastic models for machine learning applications.

RANK_REASON Academic paper introducing a new methodology. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

New PST estimator enables gradient-based machine learning for discrete stochastic systems

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Academic paper introducing a new methodology. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.LG TIER_1 English(EN) · Jose M. G. Vilar, Leonor Saiz ·

    Propensity Straight-Through Gradients for Discrete Stochastic Systems

    arXiv:2608.25631v1 Announce Type: cross Abstract: Continuous-time Markov chains (CTMCs) provide the backbone for modeling discrete stochastic dynamics across applied, physical, and biological sciences. Their integration with modern gradient-based machine learning, however, is lim…