AI RESEARCH
Language Generation as Optimal Control: Closed-Loop Diffusion in Latent Control Space
arXiv CS.CL
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ArXi:2605.14531v1 Announce Type: new This work reformulates language generation as a stochastic optimal control problem, providing a unified theoretical perspective to analyze autoregressive and diffusion models and explain their limitations (Efficiency-Fidelity Paradox, Irreversibility Error Propagation, Optimization Tractability and Fidelity) in terms of combination of trajectory singularity, adjoint state vanishing, and gradient absence.