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Yuangang Li

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#artificial intelligence Preprint Sep 2026

The Geometry of Logic: Stratification Induces Semantic Structure and Robust Reasoning

Transformer-based language models perform well on symbolic tasks, yet it remains unclear whether they learn generalizable rules or rely on statistical shortcuts. Mechanistic studies link algorithmic behavior to structured internal representations, motivating the hypothesis that robust reasoning benefits from separating...

Cristina V. Lopes, Yuan-Gang Li, Justin Tian Jin Chen et al. · 0 citations

Beyond Output Correctness: Benchmarking and Evaluating Large Language Model Reasoning in Coding Tasks

This work introduces CodeRQ-Bench, the first benchmark for evaluating LLM reasoning quality across three coding task categories: generation, summarization, and classification, and proposes VERA, a two-stage evaluator that combines evidence-grounded verification with ambiguity-aware score correction.

Yuangang Li, Justin Tian Jin Chen, Ethan Yu et al. · 1 citation

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