الباحثون

Ziheng Chen

المنشورات 4

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Constant-Curvature Sliced Gromov-Wasserstein for Heterogeneous Cross-Curvature Alignment

Shanglin Li, Wenjing Lu, Muyang Li وآخرون · 2026

Recent advances in representation learning have highlighted the utility of constant-curvature models, such as hyperbolic and spherical spaces, for modeling complex data. Mixed-curvature models further enhance this by integrating multiple constant-curvature components. However, these models typically learn each componen …

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When Verifiable Counts Depend on Wording: Auditing Wording Robustness in Instruction Following

Qishi Zhan, Seoyeon Jang, Zihan Dong وآخرون · 2026

Verifiable instruction-following benchmarks often express each constraint through one fixed template. We test whether scores remain stable when the operational requirement is unchanged but its wording varies. We introduce WISE, a matched evaluation suite and reporting protocol instantiated on exact word count, keyword …

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Gestalt: Large Multimodal Interplay Model

Zequn Yang, Yu Miao, Haotian Ni وآخرون · 2026

In this paper, we propose Gestalt, a new paradigm of large multimodal model built around multimodal interplay. Despite rapid advances, large multimodal models are reaching a bottleneck: existing approaches focus primarily on accommodating additional modalities while overlooking the distinct characteristics of each moda …

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Building Transformation Layers for Riemannian Neural Networks

Ziheng Chen · 2026

Recently, deep neural networks on manifold-valued representations have garnered significant attention across various machine learning applications. One recent focus is the generalization of Euclidean fully connected (FC) and convolutional layers to non-Euclidean geometries. However, previous approaches typically focus …

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