Author

Fei Liu

University of Zurich & ETH Zurich

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#small language model Preprint Sep 2026

EvoMO-SR: Multiobjective LLM-based Evolution of Symbolic Expressions with substructure guidance

EvoMO-SR is proposed, a novel LLM-driven SR framework in which the LLM generates equation skeletons, with their coefficients fitted separately by an external optimizer, which achieves the best accuracy in seven of the eight in-domain and out-of-domain settings for LSR-Synth.

Cristina Rossetti, Anna V. Kononova, Thomas Back et al. · 0 citations

Preprint Aug 2026

Beyond Average Performance: Dynamic Instance Clustering and Specialized Algorithm Design in LLM-Assisted Evolutionary Search

DyCA treats instance clustering as a co-evolving component within the search process, reusing accumulated evaluation data as feature-free signals to progressively partition instances with similar algorithmic response patterns, thereby enabling finer-grained and more adaptive guidance for specialized algorithm design.

Qinglong Hu, Qingfu Zhang, Fei Liu et al. · 0 citations