activity
20232026
most citedInterpretable Image Classification with Adaptive Prototype-based Vision Transformers

6 citations · 16 across the 14 of their papers we have counts for

collaborators

16 papers

cs.LG2026

Kernel-Complexity Edge Sanitization for Training-Free Defense against Structural Graph Attacks

Yaning Jia, Shenyang Deng, Yaoqing Yang +3

Graph Neural Networks (GNNs) have achieved remarkable success across diverse applications, yet they remain highly vulnerable to adversarial attacks that maliciously perturb graph s…

cs.LG2026

Experience Augmented Policy Optimization for LLM Reasoning

Jinda Lu, Kexin Huang, Junkang Wu +7

Reinforcement Learning with Verifiable Rewards (RLVR) is a powerful paradigm for improving the reasoning capabilities of large language models (LLMs). However, existing RLVR method…

cs.LG2026

ARMOR: Stabilizing On-Policy LLM RL with Off-Policy Anchor Samples

Kexin Huang, Junkang Wu, Jinda Lu +7

Reinforcement learning (RL) has significantly enhanced the reasoning capabilities of large language models (LLMs), yet the training process remains notoriously fragile. In this wor…

cs.LG2026

Clipping Bottleneck: Stabilizing RLVR via Stochastic Recovery of Near-Boundary Signals

Shuo Yang, Jinda Lu, Chiyu Ma +8

Reinforcement Learning with Verifiable Rewards (RLVR) has emerged as a central paradigm for scaling LLM reasoning, yet its optimization often suffers from training instability and…

cs.LG2026

One-Way Policy Optimization for Self-Evolving LLMs

Shuo Yang, Jinda Lu, Kexin Huang +6

Reinforcement Learning with Verifiable Rewards (RLVR) has become a promising paradigm for scaling reasoning capabilities of Large Language Models (LLMs). However, the sparsity of b…

cs.LG2026

FIPO: Eliciting Deep Reasoning with Future-KL Influenced Policy Optimization

Chiyu Ma, Shuo Yang, Kexin Huang +7

We present Future-KL Influenced Policy Optimization (FIPO), a reinforcement learning algorithm designed to overcome reasoning bottlenecks in large language models. While GRPO style…

cs.CL2026

Sparse but Critical: A Token-Level Analysis of Distributional Shifts in RLVR Fine-Tuning of LLMs

Haoming Meng, Kexin Huang, Shaohang Wei +6

Reinforcement learning with verifiable rewards (RLVR) has significantly improved reasoning in large language models (LLMs), yet the token-level mechanisms underlying these improvem…

cs.LG2026

On the Direction of RLVR Updates for LLM Reasoning: Identification and Exploitation

Kexin Huang, Haoming Meng, Junkang Wu +10

Reinforcement learning with verifiable rewards (RLVR) has substantially improved the reasoning capabilities of large language models. While existing analyses identify that RLVR-ind…

cs.LG2025

KCES: Training-Free Defense for Robust Graph Neural Networks via Kernel Complexity

Yaning Jia, Shenyang Deng, Chiyu Ma +2

Graph Neural Networks (GNNs) have achieved impressive success across a wide range of graph-based tasks, yet they remain highly vulnerable to small, imperceptible perturbations and…

cs.CL2025

SoundMind: RL-Incentivized Logic Reasoning for Audio-Language Models

Xingjian Diao, Chunhui Zhang, Keyi Kong +6

While large language models have demonstrated impressive reasoning abilities, their extension to the audio modality, particularly within large audio-language models (LALMs), remain…

cs.SD2025

Music Audio-Visual Question Answering Requires Specialized Multimodal Designs

Wenhao You, Xingjian Diao, Wenjun Huang +9

While recent Multimodal Large Language Models exhibit impressive capabilities for general multimodal tasks, specialized domains like music necessitate tailored approaches. Music Au…

cs.AI2025

Judging with Many Minds: Do More Perspectives Mean Less Prejudice? On Bias Amplifications and Resistance in Multi-Agent Based LLM-as-Judge

Chiyu Ma, Enpei Zhang, Yilun Zhao +7

LLM-as-Judge has emerged as a scalable alternative to human evaluation, enabling large language models (LLMs) to provide reward signals in trainings. While recent work has explored…

cs.LG2024

Achieving Domain-Independent Certified Robustness via Knowledge Continuity

Alan Sun, Chiyu Ma, Kenneth Ge +1

We present knowledge continuity, a novel definition inspired by Lipschitz continuity which aims to certify the robustness of neural networks across input domains (such as continuou…

cs.CV2024★ 6 cited

Interpretable Image Classification with Adaptive Prototype-based Vision Transformers

Chiyu Ma, Jon Donnelly, Wenjun Liu +3

We present ProtoViT, a method for interpretable image classification combining deep learning and case-based reasoning. This method classifies an image by comparing it to a set of l…

cs.CL2024★ 6 cited

Judging the Judges: A Systematic Study of Position Bias in LLM-as-a-Judge

Lin Shi, Chiyu Ma, Wenhua Liang +3

LLM-as-a-Judge has emerged as a promising alternative to human evaluators across various tasks, yet inherent biases - particularly position bias, the tendency to favor solutions ba…

cs.CV2023★ 4 cited

This Looks Like Those: Illuminating Prototypical Concepts Using Multiple Visualizations

Chiyu Ma, Brandon Zhao, Chaofan Chen +1

We present ProtoConcepts, a method for interpretable image classification combining deep learning and case-based reasoning using prototypical parts. Existing work in prototype-base…