Author

Justin Tian Jin Chen

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#artificial intelligence Preprint Sep 2026

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

STRAT is introduced, which partitions the residual stream into orthogonal Data and Type subspaces and uses Type-based attention and gating to govern Data transformations and in arithmetic, STRAT reduces median OOD error 35-fold relative to a Transformer baseline.

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

#artificial intelligence Apr 2026

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. · arXiv.org · 1 citation