Zhiyu Zhang

Slides

  • Twisted periods, symmetric squares, exterior squares and arithmetic applications , November, 2025, Shenzhen.
  • Orbital integrals, Hecke algebras and relative Langlands program: global rigidity and local conjectures , November 1st, 2024, POSTECH-PMI Number Theory Seminar, Pohang.
  • Arithmetic Fundamental Lemmas and non-reductive geometry , July 9th, 2024, workshop on Branching Problems for Representations of Real, P-Adic and Adelic Groups, BIRS-UBCO, Kelowna.
  • On Arithmetic Fundamental Lemmas and Arithmetic Transfers , June 5th, 2023, Arithmetic Algebraic Geometry conference, the Chinese University of Hong Kong, Hong Kong.

    • Talks / Travels

    1. [August 10-14, 2026] The Australian Direction: A conference honoring the mathematical contributions of Matt Emerton and Mark Kisin, Salt Lake City, Utah, United States.
    2. [August 3-7, 2026] The Gross-Zagier formula, 40 years later, Cambridge MA, United States.
    3. [July 23-30, 2026] International Congress of Mathematicians (ICM) 2026 , Philadelphia, USA.
    4. [January 26-February 27, 2026] Around the Langlands program, Marseille, France (Thematic Month).
    5. [Dec 18, 2025-Jan 17, 2026] Conference talk at Relative Langlands Program , Institute for Mathematical Sciences, NUS.
    6. [Nov 24-Nov 28, 2025] Conference Talk at Arithmetic Geometry in Shenzhen , 2025.
    7. [Sep 2025-April 2026] Special Year on Arithmetic Geometry, Hodge Theory, and o-minimality , IAS, Princeton.
    8. [Sep 22 - 26, 2025] Motives, L-values and Eisenstein series on the occasion of Guido Kings' 60th birthday, Regensburg.
    9. [August 4-22, 2025] Teaching algebraic geometry, undergraduate summer school on number theory, Beijing.
    10. [July 27-Aug 1, 2025] New Tools in the Local and Global Langlands Programs , Hangzhou.
    11. [July 20-25, 2025] Visiting and giving a talk at HO#T DAY WORKSHOP , Institute for advanced study in mathematics, Hangzhou.
    12. [June 30-July 11, 2025] Beijing-Shanghai Summer School in Mathematics , Shanghai Institute for Mathematics and Interdisciplinary Sciences (SIMIS).
    13. [June 15-25, 2025] Visiting and giving 3 talks at Morningside Center of Mathematics, Beijing.
    14. [May 27-30, 2025] Visiting MIT, Boston.
    15. [April 30 - May 4, 2025] Conference Talk on 37th Automorphic Forms Workshop , University of North Texas, Denton, Texas.
    16. [April 30, 2025] Colloquium Talk at Rugters University.
    17. [April 14, 2025] Seminar Talk at Number Theory Seminar, University of Michigan.
    18. [April 7-11, 2025] Hot Topics: Interactions between Harmonic Analysis, Homogeneous Dynamics, and Number Theory , SLMSI, Berkeley.
    19. [30 Mar - 4 Apr 2025] Arbeitsgemeinschaft: Relative Langlands Duality, Oberwolfach.
    20. [Mar 17-21, 2025] The Legacy of John Tate, and Beyond , Harvard University, Boston.
    21. [Mar 11, 2025] Seminar Talk at Number Theory Semniar, the University of Texas at Austin.
    22. [Mar 8-12, 2025] Arizona Winter School 2025: p-adic groups , Tucson, USA.
    23. [Mar 4, 2025] Seminar Talk on Torsors on the Fargues-Fontaine curve, Berkeley-Stanford number theory learning seminar.
    24. [Feb 13, 2025] Seminar Talk on Anti-spherical quotient and Iwahori-Whittaker category (Arkhipov-Bezrukavnikov Equivalence), Geometric representation theory Seminar, Stanford.
    25. [Jan 20-25, 2025] Conference Talk on Arithmetic aspects of automorphic forms and automorphic representations , Kyoto University.
    26. [Dec 9-13, 2024] Visiting MIT, Boston.
    27. [11/08/2024] Colloquium talk at Faculty Area Research Seminar , Stanford University.
    28. [11/04/2024] Seminar talk at Arithmetic Geometry and Number Theory RTG Seminar, UC Berkeley.
    29. [11/01/2024] Seminar talk at POSTECH-PMI Number Theory Seminar , Korea.
    30. [Oct 20-25, 2024] Oberwolfach Seminar: Reduction of Arithmetic Varieties , Germany.
    31. [10/8/2024] Seminar talk on irrationality of zeta(3) via Eichler integrals and modular forms on Gamma_0(6) (Apery, Beukers) and Zagier’s sporadic sequence A and C at Joint Berkeley-Stanford Algebraic Number Theory .
    32. [Sep 30-Oct 4, 2024] New Advances in the Langlands Program: Geometry and Arithmetic Clay Mathematical Institute, University of Oxford
    33. [Sep 9-13, 2024] Visit and Seminar talks at Number Theory / Representation Theory Seminar , University of Wisconsin-Madison.
    34. [July 22-26, 2024] Conference on "Arithmetic Geometry" in Honour of Gerd Faltings' 70th Birthday , Bonn, Germany.
    35. [July 7-12, 2024] Conference talk at BIRS workshop Branching Problems for Representations of Real, p-Adic and Adelic Groups , Kelowna, Canada.
    36. [July 1-5, 2024] Conference on Arithmetic Geometry and Applications , ICTP, Italy.
    37. [June 24-28, 2024] Workshop on Number Theory and Physics , ICTP, Italy.
    38. [June 18-21, 2024] Modular Forms, L-functions, and Eigenvarieties , Paris.
    39. [June 9-15, 2024] Conference Talk at Simons Symposium: Periods and L-values of Motives (2024) , Krün, Germany.
    40. [June 3-8, 2024] Summer School and Workshop on Relative Langlands Duality , University of Minnesota.
    41. [May 20-24, 2024] 36th Automorphic Forms Workshop , Oklahoma State University.
    42. [April 27-28, 2024] Western Algebraic Geometry Symposium (WAGS), UC Davis.
    43. [4/22/2024] Seminar talk at Stanford Number Theory seminar, Stanford.
    44. [4/19/2024] Seminar talk at UCSB Number Theory seminar, Santa Barbara.
    45. [April 6-7, 2024] Conference talk on the AMS Sectional Meetings , Howard University, Washington, DC.
    46. [3/27/2024] Seminar talk at Johns Hopkins Number Theory Seminar .
    47. [March 26-29, 2024] Arithmetic Quantum Field Theory Conference , Harvard.
    48. [March 11-15, 2024] Workshop on p-adic Arithmetic Geometry , Princeton.
    49. [3/12/2024] Seminar talk on Hasse invariants, canonical subgroups, overconveregent anticanonical towers at Joint Berkeley-Stanford Algebraic Number Theory .
    50. [March 2-6, 2024] Senior participant (feel free to ask me for help) of Arizona Winter School 2024: Abelian Varieties .
    51. [2/27/2024] Seminar talk at BIMSA-YMSC Tsinghua Number Theory Seminar.
    52. [2/22/2024] Seminar talk at Number Theory / Representation Theory Seminar, University of Wisconsin-Madison .
    53. [Jan 29-Feb 2, 2024] AIM workshop analytic, arithmetic, and geometric aspects of automorphic forms , Pasadena, California.
    54. [1/26/2024] Seminar talk at Automorphic Forms and Arithmetic , Columbia University.
    55. [1/18/2024] Seminar talk at Arithmetic Geometry Preprint Seminar , Stanford.
    56. [Jan 8-12, 2024] AIM workshop arithmetic intersection theory on Shimura varieties , Pasadena, California.
    57. [Jan 3-6, 2024] Joint Mathematics Meetings 2024 , San Francisco.
    58. [December 2023] Monodromy and Its Applications , Princeton.
    59. [11/30/2023] Seminar talk at Caltech Number Theory Seminar .
    60. [November 2023] Workshop on p-adic Arithmetic Geometry , Princeton.
    61. [10/24/2023] Seminar talk on deformations of absolute Hodge cycles at Joint Berkeley-Stanford Algebraic Number Theory .
    62. [October 2023] Conference talk at Arithmetic Algebraic Geometry, a conference on the occasion of Michael Rapoport's 75th birthday at Münster.
    63. [September 2023] Conference Arithmétique des formes automorphes , Paris.
    64. [2023-09-09] the begin of my Szego Assistant Professor position, Stanford, CA.
    65. [08/07/2023] Conference Talk on arithmetic fundamental lemmas, Capital Normal University, Beijing.
    66. [August 07-11, 2023] Confernece Global Langlands, Shimura varieties, and shtukas , Bonn.
    67. [July 2023] Lecture series on Arithmetic geometry, hermitian lattices and theta correspondences , Peking University.
    68. [July 2023] Conference talk at Tianyuan Mathematics Research Center, Kunming.
    69. [June 2023] Conference talk at Arithmetic Algebraic Geometry conference, the Chinese University of Hong Kong, Hong Kong.
    70. [May 2023] Algebraic geometry and cohomology in mixed characteristic , Northwestern University.
    71. [April 2023] Degeneracy of Algebraic Points , MSRI, Berkeley.
    72. [March 2023] Seminar talk at ES Special Seminar , MSRI, Berkeley.
    73. [March 2023] Conference Shimura Varieties and L-functions (in honor of Shouwu Zhang) , MSRI, Berkeley.
    74. [March 2023] Arizona Winter School 2023: Unlikely Intersections , Arizona.
    75. [03/01/2023] Seminar talk on Sharifi's Conjecture III: the Results of Fukaya-Kato at ES Learning Seminar, MSRI, Berkeley.
    76. [01/30/2023] 5 minute talk on Arithmetic fundamental lemmas for hermitian lattices, MSRI, Berkely.
    77. [2023-01-19] the begin of my postdoc fellowship, MSRI, Berkeley.
    78. [01/04/2023] Conference talk on my thesis at Joint Mathematics Meetings 2023 , Boston.
    79. During Fall 2022, I was on the job market.
    80. [Oct-Dec 2022] Visiting Morningside Center of Mathematics, Beijing.
    81. [11/03/2022] Seminar talk on Arithmetic transfer identities on unitary Rapoport—Zink spaces, at Number Theory / Representation Theory Seminar , University of Wisconsin-Madison.
    82. [Oct-Dec 2022] Scheduled visit to Max Planck Institute for Mathematics (canceled due to visa and Covid-19).
    83. [08/27/2022] Seminar talk on Arithmetic transfers and singularities at parahoric levels, Fudan-SCMS Two-day Workshop on Number Theory.
    84. [08/14/2022] Conference talk at Community-building in the Langlands Program (CLAP) , Bonn.
    85. [July 2022] 2022 IHES Summer School on the Langlands program , Paris.
    86. [2022-07-08] the end of my PHD study, thesis defense Arithmetic transfers, arithmetic modularity and singularity at parahoric levels , Room: 2-255, MIT.
    87. [July 6-14, 2022] (virtual) International Congress of Mathematicians 2022 .
    88. [July 1-15, 2022] (virtual) Representations and Characters: Revisiting the Works of Harish-Chandra and André Weil .
    89. [May 2022] Seminar talk at Lie Groups and Representation Theory , University of Maryland.
    90. [April 2022] Seminar talk at Algebra and Number Theory Seminar , University of Arizona.
    91. [April 2022] Seminar talk at Algebra and Number Theory Seminar , Yale University.
    92. [April 2022] Seminar talk at Boston College NT/AG Seminar .
    93. [March 2022] Arizona Winter School 2022: Automorphic Forms Beyond GL2, Arizona.
    94. [March 2022] CURRENT DEVELOPMENTS IN MATHEMATICS 2021-22 , Harvard.
    95. [2021-12-22] First paper on arxiv, Maximal parahoric arithmetic transfers, resolutions and modularity. .
    96. [November 2021] (virtual) Basic Functions, Orbital Integrals, and Beyond Endoscopy (Online) (21w5228) , BIRS workshop.
    97. [July 2021] (virtual) Theta Series: Representation Theory, Geometry, and Arithmetic , The Fields Institute, Toronto.
    98. [May 2021] (virtual) Relative Aspects of the Langlands Program, L-Functions and Beyond Endoscopy , CIRM, Luminy.
    99. [April 2021] (virtual) Arbeitsgemeinschaft: Derived Galois Deformation Rings and Cohomology of Arithmetic Groups , Oberwolfach, Germany.
    100. [2021-05-24] Visiting Morningside Center of Mathematics, Beijing, finally after Covid-19.
    101. [04/24/2021] (virtual) Seminar talk at Séminaire Mathjeunes , Paris.
    102. [Jan 4-8, 2021] (virtual) Arithmetic intersection theory on Shimura varieties, American Institute of Mathematics, San Jose, California.
    103. [Nov 16-20, 2020] (virtual) Fall workshop for Special Year on Geometric and Modular Representation Theory, IAS.
    104. [Mar 7-11, 2020] Arizona Winter School 2020: Nonabelian Chabauty.
    105. [July 14 - Aug 12, 2019] Coach for Tsinghua Mathcamp 2019 .
    106. [2019-03-18] International Conference on Arithmetic Geometry in honor of Michael Rapoport's 71st birthday, Beijing.
    107. [Mar 2-6, 2019] Arizona Winter School 2019: Topology and Arithmetic .
    108. [2018-08-23] the begin of my PHD study, MIT, Boston.