Yongzhong Xu

Identifiers

• name variant Yongzhong Xu 0.60 · backfill

Papers (18)

1. Closure-Validated Circuit Discovery in Attention Heads: Co-activation Proposes, Ablation Disposes cs.LG · 2026 · author #1
2. Pattern Selectivity is Not Task-Causal Structure: A Cross-Architecture Mechanistic Study of Composed-Task Circuits in 1B-Class Language Models cs.LG · 2026 · author #1
3. When Do Attention Circuits Form? Developmental Trajectories of Capability and Attention-Sink Emergence Across Three 1B-ClassArchitectures cs.LG · 2026 · author #1
4. Spectral Probe-Circuits: A Three-Step Recipe for Identifying Attention-Head Circuits in Pretrained Transformers cs.LG · 2026 · author #1
5. Feature Repulsion and Spectral Lock-in: An Empirical Study of Two-Layer Network Grokking cs.LG · 2026 · author #1
6. Gradient-Direction Sensitivity Reveals Linear-Centroid Coupling Hidden by Optimizer Trajectories cs.LG · 2026 · author #1
7. The Lifecycle of the Spectral Edge: From Gradient Learning to Weight-Decay Compression cs.LG · 2026 · author #1
8. Spectral Edge Dynamics Reveal Functional Modes of Learning cs.LG · 2026 · author #1
9. Spectral Edge Dynamics: An Analytical-Empirical Study of Phase Transitions in Neural Network Training cs.LG · 2026 · author #1
10. The Geometry of Multi-Task Grokking: Transverse Instability, Superposition, and Weight Decay Phase Structure cs.LG · 2026 · author #1
11. Early-Warning Signals of Grokking via Loss-Landscape Geometry cs.LG · 2026 · author #1
12. Low-Dimensional and Transversely Curved Optimization Dynamics in Grokking cs.LG · 2026 · author #1
13. A Faraday Rotation Search for Magnetic Fields in Large Scale Structure astro-ph · 2005 · author #1
14. How accurately can suborbital experiments measure the CMB? astro-ph · 2004 · author #7
15. The power spectrum of galaxies in the 2dF 100k redshift survey astro-ph · 2001 · author #3
16. Morphological Measures of nonGaussianity in CMB Maps astro-ph · 2001 · author #3
17. The CMB power spectrum at l=30-200 from QMASK astro-ph · 2001 · author #1
18. Comparing and combining the Saskatoon, QMAP and COBE CMB maps astro-ph · 2000 · author #1

Mentions

• 2606.09607 #1 · arxiv_oai · confidence 0.70 Yongzhong Xu
• 2606.05378 #1 · arxiv_oai · confidence 0.70 Yongzhong Xu
• 2606.02378 #1 · arxiv_oai · confidence 0.70 Yongzhong Xu
• 2605.24059 #1 · arxiv_oai · confidence 0.70 Yongzhong Xu

Frequent Coauthors

• Max Tegmark 5 shared papers
• Angelica de Oliveira-Costa 2 shared papers
• Lyman Page 2 shared papers
• Amber D. Miller 1 shared papers
• Amber Miller 1 shared papers
• Andrew J. S. Hamilton 1 shared papers
• Angelica de Oliveira-Costa (UPenn) 1 shared papers
• Barth Netterfield 1 shared papers
• C. Barth Netterfield 1 shared papers
• Hume A. Feldman 1 shared papers
• Mark Devlin 1 shared papers
• Mark J. Devlin 1 shared papers
• Philipp P. Kronberg 1 shared papers
• Quentin W. Dufton 1 shared papers
• Salman Habib 1 shared papers
• Sergei F. Shandarin 1 shared papers
• Thomas Herbig 1 shared papers