Author

Zi-Han Zhang

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Open access Oct 2026

A dataset of differentiable biologically derived single-neuron models.

Biological neural networks contain diverse cell types with heterogeneous electrophysiological properties. Artificial neural networks (ANNs) model computational aspects of biology but use homogeneous neurons, limiting realism. A key obstacle to building bio-inspired ANNs is the absence of a database of neuron models tha...

Calvin Yeung, Kris Ganjam, Zi-Han Zhang et al. · Cell Reports Methods · 0 citations

#machine learning Preprint Oct 2026

Optimal Online Regret for Context-Lumpable Bandits

We study stochastic contextual bandits with an unknown context-lumpable structure. The $S$ contexts are partitioned into $r$ blocks, and every arm has the same mean reward across contexts in the same block. Under arbitrary context distributions and without separation assumptions, we design an algorithm with expected re...

Chen-Yu Lu, Zi-Han Zhang · 0 citations