Author

Chen-Heng Zhang

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Preprint Jul 2026

Near-Optimal Lower Bounds for Randomized Algorithms in Exact Value Zeroth-Order Convex Optimization

This work proves the first near-optimal lower bound for arbitrary adaptive randomized algorithms throughout both accuracy regimes of exact value Lipschitz convex optimization, and develops a posterior mean energy method for adaptive exact max observations.

Haihan Zhang, Chen-Heng Zhang, Zhiquan Qi et al. · 1 citation

Jul 2026

UniMem: Complementary Episodic-to-Parametric Memory for Boundary-Agnostic Task Streams

Inspired by the human brain, which balances plasticity and stability through complementary episodic storage and gradual consolidation, UniMem is proposed, a self-routing framework for autonomous memory management that consistently outperforms baselines while maintaining execution fidelity.

Si-Yu Xia, Chen-Heng Zhang, Yan-Ting Wu et al. · arXiv.org · 0 citations