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Bilun Sun

2 accepted papers

2026

Discrete Compositional Generation via General Soft Operators and Robust Reinforcement Learning

ICLR 2026poster

A major bottleneck in scientific discovery consists of narrowing an exponentially large set of objects, such as proteins or molecules, to a small set of promising candidates with desirable properties. While this process can rely on expert knowledge, recent methods leverage reinforcement learning (RL…

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2024

Expected flow networks in stochastic environments and two-player zero-sum games

ICLR 2024poster

Generative flow networks (GFlowNets) are sequential sampling models trained to match a given distribution. GFlowNets have been successfully applied to various structured object generation tasks, sampling a diverse set of high-reward objects quickly. We propose expected flow networks (EFlowNets), whi…