Feiyu Deng

Academic position

Education

Research interests

Holography · Black-hole information · Quantum gravity · Boundary and defect systems · Computational field theory

Papers & preprints

1. 2026

   Information clustering and geometric pressure in AdS3
   Feiyu Deng · Preprint · DOI: 10.5281/zenodo.23534563

2. 2026

   Boundary constraints and geometric realizations in holographic TT̄-deformed BCFT
   Feiyu Deng · Journal of High Energy Physics 09 (2026) 249 · DOI: 10.1007/JHEP09(2026)249

3. 2026

   Causality Criteria for Island Models
   Feiyu Deng · Preprint · arXiv:2601.05620

4. 2025

   An Interpretation for the Equivalence of Two Holographic Computations of the Butterfly Velocity with the Canonical Formalism of Gravity
   Feiyu Deng, Xiao-Shuai Wang, Jie-qiang Wu · Preprint · arXiv:2512.04498

5. 2025

   Holographic boundary conformal field theory with TT̄ deformation
   Zhi Wang, Feiyu Deng · Journal of High Energy Physics 01 (2025) 020 · DOI: 10.1007/JHEP01(2025)020

6. 2024

   End of the world brane meets TT̄
   Feiyu Deng, Zhi Wang, Yang Zhou · Journal of High Energy Physics 07 (2024) 036 · DOI: 10.1007/JHEP07(2024)036

7. 2023

   JT gravity from partial reduction and defect extremal surface
   Feiyu Deng, Yu-Sen An, Yang Zhou · Journal of High Energy Physics 02 (2023) 219 · DOI: 10.1007/JHEP02(2023)219

8. 2021

   Page curve from defect extremal surface and island in higher dimensions
   Jinwei Chu, Feiyu Deng, Yang Zhou · Journal of High Energy Physics 10 (2021) 149 · DOI: 10.1007/JHEP10(2021)149

9. 2021

   Defect extremal surface as the holographic counterpart of Island formula
   Feiyu Deng, Jinwei Chu, Yang Zhou · Journal of High Energy Physics 03 (2021) 008 · DOI: 10.1007/JHEP03(2021)008

Research tools and technical methods

Scientific computing

Mathematica, Python

Research methods

Symbolic derivation, numerical field theory, manuscript verification

Web and AI systems

Agentic workflows, structured research pipelines, scientific visualization