胡昊宇

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  • 胡昊宇

    职称 :副教授

    专业 :基础数学

    导师资格 :博导

    研究方向 : 算术几何
    个人主页

    huhaoyu@nju.edu.cn

代表作

完成论文:

  1. Ramification and nearby cycles for l-adic sheaves on relative curves. Tohoku Math. J. (2) 67 (2015), no. 2, 153–194.

  2. Refined characteristic class and conductor formula. Math. Z. 281 (2015), no. 1-2, 571–609. 

  3. (With E. Yang) Semi-continuity for total dimension divisors of étale sheaves. Internat. J. Math. 28 (2017), no. 1, 1750001. 

  4. (With E. Yang) Relative singular support and the semi-continuity of characteristic cycles for étale sheaves. Selecta Math. New Ser. Vol. 24, Issue 3, (2018), 2235–2273.

  5. Logarithmic ramifications of etale sheaves by restricting to curves. IMRN Vol. 2019, Issue 19, (2019), 5914–5952. 

  6. Purely inseparable extensions and ramification filtrations. Acta Math. Sinica, English Series 37, (2021), 35-58. 

  7. (With J.-B. Teyssier) Characteristic cycle and wild ramification of nearby cycles of l-adic sheaves,  J. reine angew. Math. vol. 2021, no. 776, (2021), 27-62. 

  8. Semi-continuity of conductors, and ramification bound of nearby cycles, J. reine angew. Math. vol. 2023, no. 804, (2023), 41-103.  

  9. (With J.-B. Teyssier) Cohomological boundedness for flat bundles on surfaces and applications, Compositio Math. 160(12), (2024), 2775-2827.

  10. (With J.-B. Teyssier) Semi-continuity for conductor divisors of étale sheaves, IMRN, Vol. 2026, Issue 3, (2026), 18 pages. 

  11. (With J.-B. Teyssier) Bounding ramification with coherent sheaves, Tunisian Journal of Mathematics, 8-2, (2026), 321-350. 

  12. (With J.-B. Teyssier) Estimates for Betti numbers and relative Hermite-Minkowski theorem for perverse sheaves, pre-print, (2025). 

  13. (With J.-B. Teyssier) Characteristic cycle and wild Lefschetz theorems, J. reine angew. Math., https://doi.org/10.1515/crelle-2026-0071,  (2026).

主要课程

微积分I(第二层次)  2026-2027学年第一学期

个人简介

2009年6月本科毕业于南开大学数学试点班。2014年12月获南开大学和巴黎第十一大学博士学位。2015年-2017年在东京大学数理科学研究科任JSPS研究员,2017年-2018年在Max-Planck数学研究所从事博士后研究。2018年9月加入南京大学数学学院。具体研究方向为:平展上同调中的分歧理论、D-模理论及其在数论中的应用。