Author

Soumik Sarkar

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#machine learning Preprint Oct 2026

Personalized Federated Direct Preference Optimization via LoRA Adapters

Federated Direct Preference Optimization (FedDPO) enables privacy-preserving alignment of language models across distributed agents without centralizing sensitive preference data. However, existing FedDPO analysis assumes all clients converge to a single shared policy, which is fundamentally at odds with the heterogene...

Zhan-Hong Jiang, Soumik Sarkar · 0 citations

#machine learning Preprint May 2026

Uncertainty-aware neural emulation reveals climate-resilient maize traits at scale

A probabilistic neural emulator of APSIM is developed that reproduces key maize growth processes across 13 outputs with high fidelity while reducing simulation time while demonstrating how uncertainty aware emulation transforms mechanistic crop simulation from a computational bottleneck into an on demand discovery engi...

M. Saadati, Juan S. Panelo, G. Visentini et al. · 0 citations