Author

Xingyu Ren

3 papers indexed here

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Open access Aug 2026

An efficient graph-transformer operator for learning physical dynamics with manifolds embedding

An efficient graph-transformer operator, named PhysGTO, is shown for learning physical dynamics through explicit manifold embeddings in both physical and latent spaces, showing strong flexibility, scalability, and generalization across diverse physical systems.

Peng-Wei Liu, Xingyu Ren, Peng-Kai Wang et al. · Communications AI & Computin... · 0 citations

Review Aug 2026

AgonAlpha: Autonomous Alpha Discovery via Prompt Economy and Scalable Agentic Search

To the knowledge, AgonAlpha is the first alpha-mining system to combine verified artifact search, a fresh-context adversarial reviewer with re-execution and veto authority, and pending-aware parallel budget allocation, together with a complete public evidence trail.

Wei-Chen Ye, You-Ran Sun, Xingyu Ren et al. · 0 citations

Preprint Aug 2026

Understanding Sparse Attention Selectivity in Long-Context Foundation Models via Counterfactual Evaluation

This work provides an open measurement framework deployable on any model exposing block identities, and introduces a dense-calibrated counterfactual audit using matched probe cards to isolate the sparsification-specific effect.

Xingyu Ren, You-Ran Sun, Chu-Gang Yi et al. · 1 citation