人员 > 科研教学系列 > 杨童鸥

杨童鸥

助理教授  

  • 简历
  • 科研
  • 教学
  • 发表论著

(See here for the English version)


研究领域:调和分析、几何测度论、分形几何


工作经历:


  • 2025.08-至今 南方科技大学 助理教授
  • 2023.07-2025.06 美国加州大学洛杉矶分校 兼职助理教授
  • 2022.08-2023.05 美国威斯康辛大学麦迪逊分校 Van Vleck 访问助理教授
  • 2021.09-2022.08 加拿大英属哥伦比亚大学 博士后


教育背景:


  • 2017.08-2021.05 加拿大英属哥伦比亚大学 哲学博士 数学专业
  • 2015.08-2017.07 香港中文大学 哲学硕士 数学专业
  • 2011.08-2015.07 香港中文大学 理学学士 数学专业


英文版履历(2025.08更新)



I am currently working on the following topics:

  1. Decoupling theory for various geometric objects in the Euclidean space.
  2. Curved Kakeya problems and their related maximal operators.

Theses:

  1. Kakeya and restriction problems in harmonic analysis (my master thesis, 2017): Link
  2. Configurations and decoupling: a few problems in Euclidean harmonic analysis (my PhD thesis, 2021): Link
Notes/Slides:
  1. Study guide for "On restriction projections to planes in $\mathbb R^3$", with Tainara Borges and Siddharth Mulherkar, (2024), Link
  2. A Study Guide for A Study Guide for the l^2 decoupling Theorem by Bourgain and Demeter (2016) (Link to [Bourgain-Demeter]) and (Link to my note)
  3. A few remarks on decoupling (Link)
  4. Equivalence of decoupling constants (Link)

I am teaching MA127 (Calculus II) in Fall 2025 at SUSTech. Below are courses I have previously taught elsewhere (some courses were taught more than once):


  1. Linear Algebra and Applications (MATH 33A) UCLA 2025
  2. Differential Geometry (MATH 120A) UCLA 2025
  3. Complex Analysis for Applications (MATH 132) UCLA 2025
  4. Linear Algebra and Applications (MATH 33A) UCLA 2024
  5. Linear Algebra and Applications (MATH 33A) UCLA 2024
  6. Complex Analysis for Applications (MATH 132) UCLA 2023
  7. Elementary Topology (MATH 551) UW-Madison 2023
  8. Analysis I (MATH 521) UW-Madison 2022
  9. Introduction to Complex Variables (MATH 300) UBC 2022
  10. Integral Calculus with Applications to Commerce and Social Sciences (MATH 105) UBC 2019









Publications:

  1. (Joint with Yue Zhong) Construction of a curved Kakeya set, Bulletin of the London Mathematical Society, 2025, https://doi.org/10.1112/blms.70110
  2. (Joint with Malabika Pramanik and Joshua Zahl) A Kaufman type restricted projection theorem in R3 (2022), and a Kaufman-type restricted projection theorem in R^3, accepted by American Journal of Mathematics in 2024, arXiv:2207.02259
  3. (Joint with Jianhui Li) Decoupling for smooth surfaces in R3 (2021), accepted by American Journal of Mathematics in 2023, arxiv:2110.08441
  4. (Joint with Jianhui Li) Decoupling for mixed-homogeneous polynomials in R3. Mathematische Annalen, 2022, https://link.springer.com/article/10.1007/s00208-021-02273-9
  5. Uniform l2-decoupling in R2 for polynomials. Journal of Geometric Analysis, 2021, https://doi.org/10.1007/s12220-021-00666-5
  6. On sets containing an affine copy of bounded decreasing sequences. Journal of Fourier Analysis and Applications, 2020, https://doi.org/10.1007/s00041-020-09780-4.


Preprints:

  1. (Joint with Jianhui Li) Decoupling for degenerate hypersurfaces (2025), arxiv:2507.02134
  2. (Joint with Jianhui Li) Decoupling for surfaces with radial symmetry (2025), arxiv:2504.17100
  3. (Joint with Xianghong Chen and Yue Zhong) Improved packing of hypersurfaces in Rd (2025), arxiv:2501.03532
  4. (Joint with Jianhui Li) Two principles of decoupling (2024), arxiv:2407.16108
  5. (Joint with Mingfeng Chen and Shaoming Guo) A multi-parameter cinematic curvature (2023), arxiv:2306.01606