General tips for How to Give a Good Colloquium (written by John E. McCarthy)

  1. On the semi-continuity of characteristic cycles for etale sheaves, 2019.09.25,IMPAN at Warsaw, Conference:Wild Ramification and Irregular Singularities. Note
  2. On the characteristic class of a constructible etale sheaf, 2019.09.02, BICMR.
  3. Twist formula of epsilon factors of constructible etale sheaves, 2019.08.29, KAIST.
  4. Twist formula of epsilon factors of constructible étale sheaves, 2019.06.20, Tunisian Academy Beit al-Hikma, Carthage, Tunisia.
  5. On the total characteristic class, 2019.05.06, Young Mathematicians Academic Forum, at USTC, Hefei Anhui, China.
  6. Characteristic class and the epsilon factor of an etale sheaf, 2019.01.03, Tsinghua University.
  7. Twist formula of epsilon factors of constructible étale sheaves, 2018.09.14, Department of Mathematical Sciences, University of Tokyo, Japan. Note. Conference: Arithmetic Geometry : l-adic and p-adic aspects
  8. K-theory, determinant and de Rham epsilon factors, 2018.08.10, Universität Regensburg, M311. Note
  9. Riemann-Hilbert Correspondence in positive characteristic, 2018.06.18, Universität Regensburg, M311.
  10. Characteristic class and the epsilon factor of an etale sheaf, Nanjing University, 2018.04.02.
  11. Swan classes of l-adic sheaves, School of Mathematical Sciences, Capital Normal University, 2018.03.21,
  12. The absolute purity theorem IV: torsion coefficients, 2018.01.26, Universität Regensburg, BIO 1.1.34. Note
  13. Characteristic class and the epsilon factor of an etale sheaf, seminar “autour des cycles algébriques” in Paris, 2017.12.13. Note
  14. Arbeitsgruppenseminar: The Tate diagonal (On Topological cyclic homology), 2017.11.20.
  15. Characteristic class and the epsilon factor of an etale sheaf, Humboldt-Universität zu Berlin, 2017.10.24.
  16. Arbeitsgruppenseminar: The Bloch-Srinivas conjecture, 2017.05.11,Universität Regensburg, BIO 1.1.34.
  17. Twist formula for the epsilon factor of a constructible etale sheaf, School of Mathematical Sciences, Capital Normal University, 2017.02.28.
  18. Twist formula for the epsilon factor of a constructible etale sheaf, Chinese Academy of Sciences, 2017.02.27.
  19. Arbeitsgruppenseminar: Ramification theory for varieties over perfect field, 2016.11.08,Universität Regensburg, BIO 1.1.34. Note
  20. SFB seminar: On the semi-continuity of characteristic cycle and singular support of constructible etale sheaves, 2016.10.21, Universität Regensburg.
  21. Seminar talk:Motivic fundamental group and the theorem of the fixed part, 2016, June 23–>Seminar FU
  22. Singular support and characteristic cycle, 2016.02.27, at Université Paris 6.
  23. Seminar talk:Moduli space of N-rigidified K3 crystals, 2016.01.07 –> Seminar FU
  24. Seminar talk:The inequality of Igusa-Artin-Mazur and K3 surfaces in positive characteristic,2015.11.26, at Freie Universität Berlin
  25. On the semi-continuity of total dimension divisor, 2015.10.22, at Freie Universität Berlin
  26. Vanishing topos and the semi-continuity of the Swan conductor(I), Morningside Center of Mathematics,Chinese Academy of Sciences, 2015.05.19.
  27. Vanishing topos and the semi-continuity of the Swan conductor(II), Morningside Center of Mathematics,Chinese Academy of Sciences, 2015.05.26.
  28. Characteristic cycle of a constructible sheaf and the Milnor formula, The Korea Institute for Advanced Study (KIAS),2015.04.29.
  29. On the characteristic cycle of a constructible sheaf on a surface, Korea Advanced Institute of Science and Technology (KAIST), 2015.03.20.
  30. Logarithmic version of the Milnor formula and the characteristic cycle of a tamely ramified sheaf, 2015 East Asian Core Doctorial Forum on Mathematics,Taiwan, 2015.01.22.
  31. On the characteristic cycle of a constructible sheaf on a surface, Morningside Center of Mathematics, Chinese Academy of Sciences, 2015.01.08.
  32. Logarithmic version of the Milnor formula and the characteristic cycle of a tamely ramified sheaf, Algebraic Number Theory and Related Topics 2014, Kyoto University, 2014.12.
  33. Logarithmic version of the Milnor formula and the characteristic cycle of a tamely ramified sheaf,Capital Normal University,2014.10.31.
  34. Logarithmic version of the Milnor formula, China-Korea Joint Seminar on Number Theory,Tsinghua Sanya International Mathematics Forum, 2014.10.
  35. On the $\mathrm{GL}(r)\times \mathrm{GL}(r+s)\times \mathrm{GL}(s)$ convolution, The first joint workshop between Beijing Tsinghua and Hsinchu Tsinghua on number theory,Tsinghua University, 2012.04.