Authors

Fucheng Deng

Publications 2

Preprint Open access

Beyond Layers: Position-Resolved Gradient Conflict and Position-Aware Modulation for Unified Multimodal Models

Shuyang Jiang, Fucheng Deng, Yuchuan Luo et al. · 2026

Unified multimodal models (UMMs) train image understanding and autoregressive image generation on shared parameters, and the two objectives are known to interfere. Existing diagnoses and remedies operate at the resolution of layers or experts, measuring conflict per layer and resolving it by separating parameters. We a …

Preprint Open access

Does Gradient Conflict Predict the Understanding--Generation Trade-off? A Controlled Audit of Conflict-Metric Validity in Unified Multimodal Models

Shuyang Jiang, Fucheng Deng, Yuchuan Luo et al. · 2026

Unified multimodal models (UMMs) are increasingly designed around gradient conflict between understanding and generation objectives. The premise that reducing these metrics improves the downstream understanding-generation trade-off has never been tested directly. We audit it in a controlled testbed, GRIDUMM, which mirr …

Co-authors

Zhenyu Wu Shuyang Jiang Yuchuan Luo