Talks
July 22, 2024, Workshop on moduli spaces, virtual invariants and shifted symplectic structures 2024, KIAS, Seoul, Korea
"A degeneration formula of Donaldson-Thomas theory on Calabi-Yau 4-folds"
July 16, 2024, The 4th National Algebtraic Geometry Conference, Weihai, Shandong, China
"A degeneration formula of Donaldson-Thomas theory on Calabi-Yau 4-folds"
June 10-June 14, 2024, String-Math 2024, ICTP, Trieste, Italy
"Towards a complexification of Donaldson-Witten theory"
May 14, 2024, Symplectic Geometry and Mathematical Physics seminar, Beijing International Center for Mathematical Research, Peking University, Beijing
"A degeneration formula of Donaldson-Thomas theory on Calabi-Yau 4-folds"
April 12, 2024, Mini-workshop “Algebra, Geometry and Supersymmetry”, Yau Mathematical Sciences Center, Tsinghua University, Beijing
"A degeneration formula of Donaldson-Thomas theory on Calabi-Yau 4-folds"
November 10, 2023, Pure Math seminar, The University of Melbourne, Melbourne.
"Gopakumar-Vafa type invariants of holomorphic symplectic 4-folds"
October 9, 2023, Algebraic geometry and moduli seminar, Eidgenössische Technische Hochschule (ETH) Zürich, Zurich
"Quasimaps to quivers with potentials"
October 6, 2023, Algebraic geometry and moduli seminar, Eidgenössische Technische Hochschule (ETH) Zürich, Zurich
"Gopakumar-Vafa type invariants of holomorphic symplectic 4-folds"
October 4, 2023, Math seminar, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
September 20, 2023, Edinburgh's geometry seminar, The University of Edinburgh, Edinburgh.
"Quasimaps to quivers with potentials"
September 15, 2023, Math & HEP Seminar, ICTP, Physics Latam
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
August 31, 2023, Nottingham online geometry seminar
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
August 3, 2023, "MIST 2023 workshop on geometry", Institute of Mathematical Sciences, CUHK, Hong Kong
"Quasimaps to quivers with potentials"
June 27, 2023, Workshop on "Moduli spaces, virtual invariants and shifted symplectic structures", KIAS, Seoul
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
April 27, 2023, Algebraic Geometry Seminar, Beijing International Center for Mathematical Research, Peking University, Beijing
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
April 25, 2023, Symplectic Geometry and Mathematical Physics seminar, Beijing International Center for Mathematical Research, Peking University, Beijing
"Gopakumar-Vafa type invariants of holomorphic symplectic 4-folds"
April 21, 2023, Geometric Representation Theory Seminar, Yau Mathematical Sciences Center, Tsinghua University, Beijing
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
April 18, 2023, Lecture, Morningside Center of Mathematics, Chinese Academy of Science, Beijing
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
March 31, 2023, Fudan-SCMS AG Seminars, Shanghai Math Center, Shanghai
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
March 21, 2023, IASM Zhejiang University, Online Geometry and Physics seminar, Hangzhou
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
February 28, 2023, Conference "Gauge Theory, Moduli Spaces and Representation Theory, Kashiwa 2023, In honor of the 60th birthday of Hiraku Nakajima"
"From curve counting on Calabi-Yau 4-folds to quasimaps for quivers with potentials"
June 10, 2022, Geometry seminar, Sun Yat-sen University, Guangzhou
"Gopakumar-Vafa type invariants of holomorphic symplectic 4-folds"
May 18, 2022, Fudan-SCMS AG Seminars, Shanghai Math Center, Shanghai
"Gopakumar-Vafa type invariants of holomorphic symplectic 4-folds"
April 6, 2022, Joint Harvard-CUHK-YMSC Differential Geometry Seminar (online)
"Gopakumar-Vafa type invariants of holomorphic symplectic 4-folds"
April 1, 2022, Special seminar, Department of mathematics, Kyoto University
"Gopakumar-Vafa type invariants of holomorphic symplectic 4-folds"
March 30, 2022, Special seminar, Department of mathematics, Kyoto University
"Curve counting via stable objects in derived categories of Calabi-Yau 4-folds"
December 1, 2021, RIMS-Waseda online conference "Special Geometry, Mirror Symmetry and Integrable Systems"
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
August 16, 2021, SYSU-CUHK Joint Online Workshop on Geometry and Physics (III) (online)
"Curve counting via stable objects in derived categories of Calabi-Yau 4-folds"
August 6, 2021, iTHEMS Math Seminar, Riken iTHEMS (online)
"From Yang-Mills theory to enumerative geometry on Calabi-Yau 4-folds"
March 24, 2021, Edinburgh Hodge Seminar, University of Edinburgh (online)
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
January 23, 2021, UCSD Algebraic Geometry Seminar (online).
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
December 27-29, 2020, International Consortium of Chinese Mathematicians annual meeting, University of Science and Technology of China.
45 mins online talk "Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
December 15, 2020, online seminar, KIAS, South Korea
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
December 4, 2020, Kavli IPMU Postdoc Colloquium Series, Japan
"Gauge theories on geometric spaces"
November 4, 5 2020, informal seminars, Kavli IPMU, Japan
I "Curve counting via stable objects in derived categories of Calabi-Yau 4-folds"
II "Tautological stable pair invariants of Calabi-Yau 4-folds"
III "Counting perverse coherent systems on Calabi-Yau 4-folds"
October 29, 2020, GTM seminar, Kavli IPMU, Japan
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
October 13-December 2, 2020, online lecture series for Northeast Normal University of China
"Introduction to Donaldson-Thomas invariants on Calabi-Yau 4 folds"
I. Motivation from DT3 theory and an overview of definition of DT4 invariants
II. Zero dimensional DT4 invariants
III. Gopakumar-Vafa type invariants and DT4 invariants of one dimensional stable sheaves
IV. Curve counting via stable objects in derived categories of CY 4-folds
V. Hilbert schemes of curves and DT/PT correspondence
VI. Tautological stable pair invariants
VII. Counting invariants of perverse coherent systems
September 21, 2020, Algebraic Geometry Zoominar, Shanghai-Tech. University
"Curve counting via stable objects in derived categories of Calabi-Yau 4-folds"
May 1, 2020, ETH Algebraic Geometry and Moduli Zoominar, (organized by Prof. Rahul Pandharipande)
"Curve counting via stable objects in derived categories of Calabi-Yau 4-folds" (talk slides in attached file)
January 15, 2020, Algebraic Geometric Seminar, Mathematical Institute, University of Oxford, U.K.
"Curve counting via stable objects in derived categories of Calabi-Yau 4-folds"
December 9, 2019, "UTokyo-NTU Joint Symposium in Mathematics", University of Tokyo (Komaba Campus), Japan
"Curve counting via stable objects in derived categories of Calabi-Yau 4-folds"
October 31, 2019, Department's Geometry seminar, Boston University, Boston, U.S.A.
"Introduction to Donaldson-Thomas theory on Calabi-Yau 4-folds"
September 23-27, 2019, Morningside Center of Mathematics, The Chinese Academy of Sciences, Beijing
"Introduction to Donaldson-Thomas theory on Calabi-Yau 4-folds I, II, III"
June 7, 2019, CUHK Mathematics Alumni International Conference, CUHK, Hong Kong
"Counting curves on Calabi-Yau 4-folds"
May 13, 2019, Keio High Energy Physics Seminars, Keio University, Japan
"Stable pairs and Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
March 12, 2019, Symplectic Geometry and Mathematical Physics Seminar, Beijing International Center for Mathematical Research, Peking University, Beijing, China
"Stable pairs and Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
January 2, 2019, MIST Geometry seminar, The Institute of Mathematical Sciences, CUHK, Hong Kong
"Zero dimensional Donaldson-Thomas invariants of Calabi-Yau 4-folds"
December 27-29, 2018, "The 2nd International Consortium of Chinese Mathematicians", National Taiwan University, Taipei.
45 mins talk: "Zero dimensional Donaldson-Thomas invariants of Calabi-Yau 4-folds"
September 27, 2018, Symplectic Geometry and Mathematical Physics Seminar, Beijing International Center for Mathematical Research, Peking University, Beijing, China
"Zero dimensional Donaldson-Thomas invariants of Calabi-Yau 4-folds"
September 20, 2018, MS seminar, Kavli IPMU, University of Tokyo, Japan
"Zero dimensional Donaldson-Thomas invariants of Calabi-Yau 4-folds"
August 27-September 7, 2018, Workshop "Geometric Correspondences of Gauge Theories", Erwin Schrödinger International Institute for Mathematics and Physics, University of Vienna, Austira.
Mini-course: "Donaldson-Thomas gauge theory on Calabi-Yau 4-folds"
July 20, 2018, Workshop "2018 Young Mathematician Forum", Beijing International Center for Mathematical Research, Peking University, Beijing, China
"Zero dimensional Donaldson-Thomas invariants of Calabi-Yau 4-folds"
July 16, 2018, Geometry seminar, Sun Yat-sen University, Guangzhou
"Zero dimensional Donaldson-Thomas invariants of Calabi-Yau 4-folds"
March 6, 2018, Algebraic Geometry seminar, Mathematical Institute, Unversity of Oxford, U.K.
"Zero dimensional Donaldson-Thomas invariants of Calabi-Yau 4-folds"
October 3, 2017, Geometry and Algebra seminar, Mathematical Institute, Utrecht University, The Netherlands
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds",
September 25-29, 2017, Clay Workshop "Modern Moduli theory", Mathematical Institute, University of Oxford, U.K.
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds",
August 1-4, 2017, Workshop "Interactions of Symplectic and Algebraic Geometry", Mathematics Institute, University of Warwick, Coventry, U.K.
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds",
June 26, 2017, MAGIC Seminar, Imperial College London, U.K.
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds",
May 24, 2017, Workshop "Gromov-Witten theory, Hodge theory and Mirror Symmetry", National Taiwan University, Taipei
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds",
May 22, 2017, Geometry seminar, The Institute of Mathematical Sciences, CUHK, Hong Kong
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
March 20, 2017, Geometry seminar, Sun Yat-sen University, Guangzhou
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
March 14, 2017, Geometry and Physics seminar, Yau Mathematical Sciences Center, Tsinghua University, Beijing
"Gopakumar-Vafa type invariants for Calabi-Yau 4-folds"
Jan 23, 2017 - Jan 27, 2017, Workshop "D-modules and Hodge theory", Kavli IPMU, Japan.
"Donaldson-Thomas theory for Calabi-Yau 4-folds"
November 16, 2016, Workshop "Categorical and Analytic invariants IV", Kavli IPMU, Japan.
"Donaldson-Thomas theory for Calabi-Yau 4-folds"
October 17, 2016, Workshop "Recent Development in the Mathematical study of Gauge Theory", Simons Center for Geometry and Physics, Stony Brook, N.Y., U.S.A.
"Donaldson-Thomas gauge theory for Calabi-Yau 4-folds" (video link)
July 21, 2016, Algebraic Geometry seminar, Mathematics Institute, University of Warwick, Coventry, U.K.
"Gauge theory and calibrated geometry for Calabi-Yau 4-folds"
June 8, 2016, Geometry and Physics seminar, Yau Mathematical Sciences Center, Tsinghua University, Beijing
"Gauge theory and calibrated geometry on Calabi-Yau 4-folds "
April 12, 2016, Workshop "Mathematics Inspired by String Theory IV", The Institute of Mathematical Sciences and Department of Mathematics, CUHK
"Counting coherent sheaves on Calabi-Yau 4-folds"
March 2, 2016, Workshop "Mathematics Inspired by String Theory III", The Institute of Mathematical Sciences and Department of Mathematics, CUHK
"Gauge theory on Calabi-Yau 4-folds"
September 2015, Workshop "Derived structures in geometry and representation theory", Oxford University, U.K.
"Donaldson-Thomas theory for Calabi-Yau 4-folds"
April 2015, Seminar in the Algebraic and Symplectic Geometry series, Oxford University, U.K.
"Donaldson-Thomas theory for Calabi-Yau 4-folds"
December 2014, Mathematics Inspired by String Theory II, Tsinghua Sanya International Mathematics Forum, Sanya, China
"Donaldson-Thomas theory for Calabi-Yau 4-folds"
October 2014, Geometry Seminar, The University of Hong Kong, Hong Kong
"Donaldson-Thomas theory for Calabi-Yau four-folds"
September 2014, Workshop on G2 manifolds, Simons Center for Geometry and Physics, Stony Brook, N.Y., U.S.A.
"Donaldson-Thomas theory for Calabi-Yau four-folds"
August 2014, Riemann Workshop "Gauge Theories in Higher Dimensions", Riemann Center for Geometry and Physics,
Leibniz Universitat Hannover, Germany
"Donaldson-Thomas theory for Calabi-Yau four-folds"
January 2014, Workshop "Mathematics Inspired by String Theory", The Institute of Mathematical Sciences and Department of Mathematics, CUHK
"Donaldson-Thomas theory for Calabi-Yau four-folds"
July 2013, The sixth International Congress of Chinese Mathematicians, 20 min talks, National Taiwan University, Taiwan
"Donaldson-Thomas theory for Calabi-Yau four-folds"