Talks

(1)

Jan 19, 20, 2026, Cohomological descent for obstructions I/II, Invited by Han Wu, HBU, scanned1.

(2)

May 18, 2025, On some obstructions to local-global principle on algebraic stacks, Conference on Algebraic Groups and Arithmetic Geometry, SUSTech, scanned1.

(3)

Dec 27, 2024, Obstructions to local-global principle on algebraic stacks, 2024 Number theory day, CNU, slides1.

(4)

Aug 7, 2024, Brauer-Manin obstruction of finite, Invited by Yisheng Tian (HEU), Online.

(5)

Mar 30, 2024, The Brauer-Manin obstruction on algebraic stacks, 2024 Diophantine Geometry Spring City Forum, SDU, scanned1.

(6)

Nov 23, 2023, The Brauer-Manin obstruction on algebraic stacks, Invited by Zhifang Zhang (AMSS), slides1.

(7)

Aug 23, 2023, The Brauer-Manin obstruction on algebraic stacks, 2023 Workshop on algebraic number theory, SDU, scanned1.

(8)

Dec 22, 29, 2022; Jan 5, 12, 19, Feb 16, 23, Mar 2, 2023, Obstructions to local-global principle of algebraic stacks, Invited by Jianing Li (SDU), Online, scanned1, scanned2, scanned3, scanned4, scanned5, scanned6, scanned7, scanned8.

(9)

May 28, 2021, Obstructions to local-global principle, In a conference to celebrate the 50th birthday of Professor Yingpu Deng, AMSS, scanned1.

(10)

May 21, 2021, Quadratic diophantine equations over function fields, In 10th Finite fields and its applications, Luoyang, slides1.

(11)

May 27, 2020, Rational points on varieties: an introduction, Invited by Yanbin Pan, AMSS, scanned1.

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