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Renrui Zhang

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#artificial intelligence Preprint Sep 2026

STEPQuant: When and Where Errors Matter in Delta-Rule Recurrent State Quantization

Linear attention replaces growing KV caches with fixed-size recurrent states, yet these persistent states can become a substantial memory bottleneck under concurrent serving. Directly quantizing recurrent states to low precision often leads to severe accuracy degradation, as quantization errors propagate through succes...

Bing-Chen Yao, Hao-Bo Xu, Hao-Kun Lin et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Training Object Permanence in World Models

This work introduces WROP (World Reasoning with Object Permanence), a data infrastructure of 150 hand-designed cognitive science inspired tasks, divided into six cognitive categories, and builds Blender generators that randomize speed, lighting, camera angle, and other nuisance parameters while preserving each task's c...

Hao-Tian Zhang, Feng-Yuan Yu, Dezhi Luo et al. · 0 citations
#machine learning Preprint Aug 2026

VBVR-Pro: A Scalable and Verifiable Suite for Native Visual Reasoning

This work introduces VBVR-Pro, a closed-loop testbed that makes native visual reasoning through generation trainable, verifiable, optimizable, and experimentally controllable, and identifies recurring failure modes of the prevalent VLM-as-a-judge paradigm.

Junhua Xu, Rui-Si Wang, Fanyi Pu et al. · 5 citations
Jul 2026

OpenCoF: Learning to Reason Through Video Generation

OpenCoF, a framework comprising the OpenCoF-17K dataset, a reasoning video dataset spanning 11 task families, and Wan-CoF, a fine-tuned video model for studying whether diverse temporal supervision improves CoF behavior are introduced, suggesting that stronger video reasoning requires both broad temporal supervision an...

Xinyan Chen, Ziyu Guo, Renrui Zhang et al. · 2 citations

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