Recent Papers

  1. Sun-Yung A. Chang, Yuxin Ge and Jie Qing, "Compactness of conformal Einstein manifolds in dimension 3+1, part II", to appear in Advances in Math, arXiv:1811.02112.(pdf)
  2. Sun-Yung A. Chang and Fang Hang, "Improved Moser-Trudinger-Onofri inequality under constraints", to appear at CPAM, arXiv1909.00431.(pdf)
  3. Sun-Yung A. Chang, Stephen McKeown and Paul Yang, "Scattering on singular Yamabe metrics", preprint, 2020 . (pdf)
  4. Sun-Yung A. Chang and Chengfeng Gui, "A Sharp Inequality on the Exponentiation of Functions on the Sphere", preprint, 2020. (pdf)
  5. Sun-Yung A. Chang, Yuxin Ge, X. Jin and Jie Qing, "On compactness conformally compact Einstein manifolds and uniqueness of Graham-Lee metrics, III", preprint, 2021. arXiv:2107.03075 (pdf)
  6. Sun-Yung A. Chang, Contribution to a section in "Louis Nirenberg (1925-2020)", Notices AMS, June 2021, 68(06), Editor Robert Kohn, Yanyan Li and Peter Lax.
  7. Sun-Yung A. Chang, Eden Prywes and Paul Yang, "Quasiconformal flows on non-conformally flat spheres", preprint 2021. arXiv:2107.02785. (pdf)
  8. Sun-Yung A. Chang and Eric Chen, "Some Aspects of the Ricci flow on the 4-sphere", New Zealand Journal of Math., Volume 52 (2021), 381–402, Special volume in memory of Vaughan Jones, arXiv:2109.08208. (pdf)
  9. Sun-Yung A. Chang and Yuxin Ge, "On conformally compact Einstein manifolds", preprint 2021. (to appear in the Proceedings of Mathematical Congress of Americas, 2021). (pdf)
  10. Sun-Yung A. Chang and  Fengbo Hang,  ``Improved Moser-Trudinger-Onofri inequality under constraints",  CPAM, 75(1), 2022, pp 197-220; arXiv1909.00431.
  11. Sun-Yung A. Chang,  Eden Prywes and Paul Yang, ``Quasiconformal  flows on non-locally conformally flat spheres", Advances in Math,  Volume 404, Part A, August 2022, 108373, arXiv:2107.02785. 
  12. Sun-Yung A.Chang, Stephen McKeown and Paul Yang, ``Scattering on singular Yamabe metrics"  Revista Matemática Iberoamericana, 38 (2022), no. 7, pp. 2153–2184. DOI 10.4171/RMI/1390, arXiv:2109.02014
  13. Sun-Yung A. Chang and  Yuxin Ge, ``On conformally compact Einstein manifolds", Rev. Un. Mat. Argentina, vol 64 (2022), no. 1, pp 199-213. Proceedings of Mathematical Congress of Americas, 2021, https://doi.org/10.33044/revuma.3156 [doi.org] (pdf)
  14. Sun-Yung A. Chang and  Changfeng Gui,  ``A Sharp Inequality on the Exponentiation of Functions on the Sphere", CPAM 76(6), 2023, pp 1303-1316. (pdf)
  15. Sun-Yung A. Chang, Yuxin Ge, X. Jin and Jie Qing, ``Perturbation compactness and uniqueness for a class of conformally compact Einstein manifolds", Adv. Nonlinear Stud. 24 (2024), no. 1, 247-78. Special volume in honor of Joel Spruck. arXiv:1811.02112
  16. Sun-Yung A. Chang and Yuxin Ge, `` On the problem of filling by a Poincar'e Einstein metric in dimension 4", preprint, arXiv:2509.18430, submitted for publication.
  17. Sun-Yung A. Chang, Paul Yang and Ruobing Zhang, ``Rigidity of Poincar\'e-Einstein manifolds with cylindrical conformal infinity.'' preprint, arXiv:2509.20325, submitted for publication.
  18. Sun-Yung A. Chang, ``Non-local GJMS operators on conformal Compact Einstein manifolds and applications", Lecture notes for mini-course at the Summer school at Granda, Spain June 2023. To appear in the proceedings of Springer lecture notes. Preprint.
  19. Sun-Yung A. Chang and Yuxin Ge, ``A Rigidity theorem on conformally compact Einstein manifolds in high dimensions'' , preprint, submitted for publication. arXiv:2601.21441