Conferences

Organized

• The 3rd International Workshop Gravitational Waves and the Early Universe (GWEU2025).
  Pan Pacific Hotel, Ningbo, China. Sept. 1 - 3, 2025.

• CAS Key Laboratory Annual Meeting Gravity and Cosmology 2024.
  Chunhuiyuan Hotel, Beijing, China. Dec 9 - 11, 2023.

• The 2nd International Workshop Gravitational Waves and the Early Universe (GWEU2024).
  Zhongguanxinyuan Hotel, Beijing, China. Apr 9-11, 2024.

• CAS Key Laboratory Annual Meeting Gravity and Cosmology 2023.
  Chunhuiyuan Hotel, Beijing, China. Dec 9 - 11, 2023.

• International Mini Workshop Gravitational Waves from the Early Universe (GWEU2023).
  ITP-CAS, Beijing, China. Oct 13 - 16, 2023.

• YITP International Molecule-type Workshop Revisiting cosmological non-linearities in the era of precision surveys.
  YITP, Kyoto, Japan. July 13 - 28, 2023.

Attendance

• Unification of Microlenses and Nanohertz Gravitational Waves.
  Tianjin University Workshop on Gravity, Quantum Field Theory, and Their Intrinsic Connections 2026, Tianjin, China. July 27 - 30, 2026.

• Invited talk.
  Theoretical Challenges towards Non-linearities from the Early Universe, Kyoto University, Kyoto, Japan. July 19 - 26, 2026.

• Invited talk.
  String Theory, Gravitation, and Cosmology 2026, Seoul National University Siheung Campus, Seoul, Korea. July 5 - 10, 2026.

• A Unified Origin of Planet-mass Primordial Black Holes and Nanohertz Gravitational Waves.
  Chongqing University–IBS Center for Theoretical Physics of the Universe Joint International Workshop, Chongqing University, Chongqing, China. May 19 - 22, 2026.

• Non-Gaussianity of the Curvature Perturbation and Primordial Black Holes. (Plenary)
  Annual Meeting of the Gravitation and Relativistic Astrophysics Division of the Chinese Physical Society, Haikou, China. Apr. 18 - 22, 2026.

• Ultra-slow-roll Inflation and Type-B Primordial Black Holes.
  New Perspectives on Cosmology 2026, Asia Pacific Center for Theoretical Physics, Pohang, Korea. Jan. 4 - 10, 2026.

• Nonlinear Evolution of Curvature Perturbations and Its Applications.
  High Energy Theory Forum, Institute of High Energy Physics, Beijing, China. Dec. 31, 2025.

• Nonlinear Evolution of Curvature Perturbations on Superhorizon Scales.
  Non-perturbative Inflation, University of Barcelona, Barcelona, Spain. Dec. 7 - 16, 2025.

• Nonlinearity of Curvature Perturbations on Superhorizon Scales.
  Inflation 2025, Institut d’Astrophysique de Paris, Paris, France. Nov. 30 - Dec. 6, 2025.

• Gravitational-Wave Cosmology of the Early Universe.
  3rd International Workshop “Particles, Gravitation and the Universe: from Quantum Mechanics to Quantum Gravity”, Institute of Physics, Vietnam Academy of Science and Technology, Hanoi, Vietnam. Nov. 28 - 29, 2025.

• Nonlinear Perturbations on Large Scales in the Early Universe.
  2025 Workshop on Gravitation and Cosmology, Peng Huanwu Center for Fundamental Physics, University of Science and Technology of China, Hefei, China. Nov. 20 - 23, 2025.

• Non-Gaussian Curvature Perturbations and Primordial Black Hole Formation.
  Cosmology as a Fundamental Physics, Asia Pacific Center for Theoretical Physics, Pohang, Korea. Nov. 15 - 20, 2025.

• Primordial Black Hole Dark Matter Probed by Space-based Gravitational-Wave Experiments.
  Annual Meeting of the Chinese Astronomical Society 2025, Xiamen University, Xiamen, China. Nov. 2 - 4, 2025.

• Invited talk.
  The 5th Workshop on Quantum Field Theory and Its Applications, Chunhuiyuan Hot Spring Resort, Beijing, China. Oct. 31 - Nov. 1, 2025.

• Invited talk.
  16th Asia Pacific Physics Conference (APPC16), Haikou, China. Oct. 20 - 23, 2025.

• Primordial Black Hole Dark Matter and Its Observational Tests.
  Gravity Center and National Center for Gravitation and Precision Measurement, Huazhong University of Science and Technology, Wuhan, China. Sept. 28 - Oct. 2, 2025.

• Nonlinear Curvature Perturbations on Superhorizon Scales.
  Chinese Physical Society Fall Meeting 2025, Harbin Engineering University, Harbin, China. Sept. 11 - 15, 2025.

• Inflation beyond Slow Roll, Non-Gaussianity, and Primordial Black Holes.
  The 4th Workshop on New Physics Beyond the Standard Model, Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, China. Aug. 25 - 27, 2025.

• Inflation beyond slow-roll, non-Gaussianity, and primordial black holes. (Plenary)
  International Symposium on Cosmology and Particle Astrophysics: CosPA 2025, Daejeon, Korea. July 7 - 11, 2025.

• Inflation beyond slow-roll and non-Gaussianity. (Invited)
  Cosmology Beyond the Analytic Lamppost (CoBALt), Paris, France. June 16 - July 4, 2025.

• Cosmological Perturbations I: Linear Theory. (Invited Lecture)
  Lectures on Frontiers of Large Scale Structure, Ningbo, China. June 15 - 30.

• Inflation beyond slow-roll.
  2025 Symposium on Gravity and Cosmology (2025西安引力宇宙学专题研讨会), Xi’an, China. June 13 - 16, 2025.

• Attendence.
  International Conference on Cosmology in Shanghai, Shanghai, China. May 28 to June 1, 2025.

• PBH and non-Gaussianity. (Invited)
  The 12th KAGRA international workshop (KIW-12), Shanghai, China. May 26 - 27, 2025.

• Aspects of ultra-slow-roll inflation. (Invited)
  Effective Field Theories, Gravity and Cosmology, Hangzhou, China. April 24 - 29, 2025.

• δN formalism and its extension.
  2025 Annual Meeting of the Gravity and Relativistic Astrophysics Division of the Chinese Physics Society, Kunming, China. April 18 - 23, 2025.

• Non-Gaussianities in the PBH Formation and Induced GWs. (Invited)
  Structures and Dynamics in Cosmology, Sanya Tsinghua Forum, Sanya, China, Jan 13 - 17, 2025. Video. Slides.

• Non-Gaussianities in the PBH formation and induced GWs. (Invited)
  Focus Week on Primordial Black Holes 2024, Kavli IPMU, Tokyo, Japan, Nov. 13 - 15, 2024.

• Non-Gaussianities in the PBH formation and induced GWs. (Invited)
  Evolution of the inhomogeneous universe: From Inflation to structure formation, KEK, Tsukuba, Japan, Nov. 6 - 8, 2024.

• Non-Gaussianities in the PBH formation and induced GWs. (Invited)
  Dynamics of Primordial Black Hole Formation II, Nagoya University, Nagoya, Japan, Oct. 7 - 10, 2024.

• Poster.
  The Fundamentals Summer school in high-energy and gravitational physics, Split, Croatia, Sept 16 - 20, 2024.

• δN formalism and the ultra-slow-roll inflation, (Invited)
  Cosmology with Gravitational Waves 2024, Institute of Theoretical Physics, Leibniz University Hannover, Hannover, Germany, Sept. 4, 2024.

• Generation of PBHs in inflationary/non-inflationary scenarios: A review. (Plenary)
  21 Century Cosmology, Ashoka University, New Delhi, India, Aug 21 - 23, 2024. (Online participation)

• Primordial Black Hole: Theory and Observations. (Invited lecture)
  The 28th International Summer Institute on Phenomenology of Elementary Particle Physics and Cosmology (SI2024), Linyi, China. Aug 3 - 7, 2024.

• Non-Gaussianities in the PBH formation and induced GWs. (Invited)
  Quantum Gravity and Cosmology 2024, ShanghaiTech University, Shanghai, China, July 1 - 5, 2024.

• Non-Gaussianities in the PBH formation and induced GWs. (Invited)
  The 5th Workshop on Gravitational-wave Astrophysics, Jingzhou, China. June 29 – July 4, 2024.

• Non-Gaussianities in the PBH Formation and Induced GWs. (Invited)
  64th Cracow School of Theoretical Physics, Zakopane, Poland. June 15 - 23, 2024.

• Non-Gaussianities in the PBH Formation and Induced GWs. (Invited)
  The Athens symposium on Exploring the Universe (ATHEXIS), Athens, Greece. June 10-14, 2024.

• Non-Gaussianities in the PBH Formation and Induced GWs. (Invited)
  Barcelona Black Holes (BBH) I: Primordial Black Holes, Barcelona University, Spain. May 27-31, 2024.

• Non-Gaussianities in the PBH formation and induced GWs. (Invited)
  第二届引力波时代前沿科学与前瞻技术研讨会, Nanjing University (Suzhou Campus), China. April 26-30, 2024.

• Non-Gaussianities in the PBH formation and induced GWs.
  2024 Annual meeting of Division of Gravitation and Relativistic Astrophysics, Chinese Physical Society, and the 6th Galileo-Xu Guangqi International Meeting, Hengyang, China. April 19-24, 2024.

• Non-Gaussianities of the curvature perturbation. (Invited)
  IBS CTPU-CGA 2024 Workshop on (Primordial) Black Holes and Gravitational Waves, Daejoen, Korea. Mar 18-22, 2024.

• Nonlinearities of the curvature perturbation.
  YITP long-term workshop Gravity and Cosmology 2024, Kyoto University, Japan. Jan 29-Mar 1, 2024.

• Non-Gaussianity of the curvature perturation and its implications in PBH formation.(Invited)
  New Perspectives on Cosmology 2024, Pohang, Korea. Jan 8-12, 2024.

• Non-Gaussianity in the primordial black hole formation. (invited)
  The 17th TeV Physics Workshop, Southeast University, Nanjing, China. Dec 15-19, 2023.

• Non-Gaussianities in the PBH Formation and Induced GWs. (Plenary)
  The 32nd Workshop on General Relativity and Gravitation in Japan (JGRG32), Nagoya University, Japan. Nov 27 - Dec 1, 2023.

• Logarithmic Duality of the Curvature Perturbation. (Invited)
  Chinese Physics Society Fall Meeting, Yinchuan, China. Aug 17-20, 2023.

• Logarithmic Duality of the Curvature Perturbation. (invited)
  International Molecule-type Workshop Revisiting cosmological non-linearities in the era of precision surveys, YITP, Kyoto University, Japan. July 13-28, 2023.

• Logarithmic Duality of the Curvature Perturbation.
  2023 Annual meeting of Division of Gravitation and Relativistic Astrophysics, Chinese Physics Society, Chinese Physical Society, Chongqing, China. April 21-25, 2023.

• Starobinsky’s linear potential model revisited. (invited)
  The 9th Korea-Japan Workshop on Dark Energy, Seoul, Korea. Nov 18th, 2022. (online)

• Starobinsky’s linear potential model revisited.
  The 31st Workshop on General Relativity and Gravitation in Japan (JGRG31), Tokyo, Japan. Oct 24th, 2022.

• Primordial black holes in the curvaton scenario.
  The 2022 Annual meeting of Division of Gravitation and Relativistic Astrophysics, Chinese Physical Society, Liyang, China. July 6th, 2022.

• Primordial black holes in the curvaton scenario. (invited)
  String Theory, Gravity, and Cosmology 2022 (SGC2022), Pusan, Korea. June 22nd, 2022. (online)

• Primordial black holes from curvaton scenario.
  The 30th Workshop on General Relativity and Gravitation in Japan (JGRG30), Tokyo, Japan. Dec 6th, 2021. (online)

• Probing the primordial black holes by stochastic gravitational wave background. (invited)
  SUSY 2021, Beijing, China. Aug. 23rd, 2021. (online)

• NANOGrav 12.5-yr result and induced gravitational waves. (invited)
  Gravitational-Wave Primordial Cosmology, Paris, France. May 19th, 2021. (online)

• NANOGrav 12.5-yr Result and the Planet-mass PBHs.
  The 2020/2021 Annual Meeting of Division of Gravity and Relativistic Astrophysics, Chinese Physics Society, Shenyang, China. Apr. 25th, 2021.

• NANOGrav 12.5-yr Result and the Planet-mass PBHs. (invited)
  The 2020 ITP Gravity and Cosmology Annual Meeting, Chongqing, China. Dec. 20th, 2020.

• NANOGrav 12.5-yr Result and the Planet-mass PBHs.
  The online Workshop on General Relativity and Gravitation in Japan, Nagoya, Japan. Nov. 23rd, 2020. (online)

• An analytical formula for induced gravitational waves with a lognormal peak. (invited)
  The 14th International Conference on Gravitation, Astrophysics and Cosmology (14CGAC), Taipei, China. Aug 17th, 2020. (online)

• Some Properties of Stochastic Gravitational Wave Background. (invited)
  Spring workshop on gravity and cosmology, Jagiellonian University, Poland. May 27th, 2020. (online)

• Universal Infrared Scaling of Stochastic Gravitational Wave Background. (invited)
  New perspectives on cosmology, Pohang, Korea. Jan. 2020.

• Universal Infrared Scaling of Stochastic Gravitational Wave Power Spectra.
  The 29th Workshop on General Relativity and Gravitation in Japan (JGRG29), Kobe, Japan. Nov. 2019.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations. (invited)
  2nd TDLI Mini-Workshop on “New Physics at Tera Scale”, Shanghai, China. Aug. 2019.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations.
  The 43rd Johns Hopkins Workshop, Kashiwa, Japan. June 2019.

• Quintessence Saves Higgs Instability.
  Accelerating Universe in the Dark, Kyoto, Japan. Mar. 2019.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations. (invited)
  The 2019 CCNU-USTC Junior Cosmology Symposium, Wuhan, China. Apr. 2019.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations.
  2019 YITP Asian-Pacific Winter School and Workshop on Gravitation and Cosmology, Kyoto, Japan. Feb. 2019.

• Stochastic Gravitational Waves Induced by Non-Gaussian Scalar Perturbations.
  The 3rd Young Scientists’ Forum on Theoretical Physics and Interdisciplinary Studies, Beijing, China. Jan. 2019.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations.
  Second Workshop on Particles, Gravitation and the Universe (PGU2018), Hanoi, Viet Nam. Dec. 2018.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations.
  International Symposium on Cosmology and Particle Astrophysics (COSPA) 2018, Yangzhou, China. Nov. 2018.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations.
  The 28th Workshop on General Relativity and Gravitation in Japan (JGRG28), Tokyo, Japan. Nov. 2018.

• Gravitational waves induced by non-Gaussian scalar perturbation.
  The 4th CosKASI-ICG-NAOC-YITP (CINY) Joint Workshop, National Astronomy Observatory, Beijing, China. Oct 2018.

• Primordial Black Holes from the Scalar Field in $R^2$ Gravity.
  Annual Conference for Chinese Society of Gravity and Astrophysics. Yangzhou, China. May 2018.

• Non-minimally coupled scalar field in $R^2$ gravity.
  International Symposium on Cosmology and Particle Astrophysics (COSPA) 2017, Kyoto, Japan. Dec. 2017.

• Non-minimally coupled scalar field in $R^2$ gravity.
  The 27th Workshop on General Relativity and Gravitation in Japan (JGRG27), Hiroshima, Japan. Nov. 2017.

Seminars

• Non-Gaussianities in the PBH formation and induced GWs.
  School of Physics, Hunan Normal University, Changsha, China. Dec 5, 2024.

• Non-Gaussianities in the PBH formation and induced GWs.
  Sommerfield Center of Theoretical Physics, Ludwig-Maximillians-Universität, Münich, Germany. Sept. 10, 2024.

• Non-Gaussianities in the PBH formation and induced GWs.
  Peng Huanwu Center for Fundamental Theory, University of Science and Technology of China, Beijing, China. July 22, 2024.

• Non-Gaussianities in the PBH formation and induced GWs.
  Physics Department, Tsinghua University, Beijing, China. May 9, 2024

• Non-Gaussianities in the PBH Formation.
  Korea Institute for Advanced Study (KIAS), Seoul, Korea. Jan 18, 2024.

• Non-Gaussianities in the PBH Formation. (Colloquium)
  Yonsei University, Seoul, Korea. Jan 15, 2024.

• Non-Gaussianities of the curvature perturbation and its application in primordial black hole formation.
  Physics Department, Nanjing Normal University, Nanjing, China. Dec 19, 2023.

• Non-Gaussianities of the curvature perturbation and its application in primordial black hole formation.
  School of Science, Northeastern University, Shenyang, China. Nov. 21, 2023.

• Non-Gaussianities of the curvature perturbation and its application in primordial black hole formation.
  School of Physics and Astronomy, Shanghai Jiaotong University, Shanghai, China. Nov. 9, 2023.

• Non-Gaussianities of the curvature perturbation and its application in primordial black hole formation.
  Physics Department, Shanghai University, Shanghai, China. Nov. 7, 2023.

• Nonlinearities of the curvature perturbation and its application in primordial black hole formation.
  Physics Department, Zhejiang University of Science and Technology, Hangzhou, China. Aug. 15, 2023.

• Probing Primordial Black Holes by Stochastic Gravitational Waves.
  School of Physics, Peking University, Beijing, China. Dec. 9th, 2021.

• Stochastic Gravitational Waves from Primordial Black Holes. (Colloquium)
  Department of Astronomy, Tsinghua University, Beijing, China. Dec. 16th, 2021.

• Induced gravitational waves to explain the NANOGrav 12.5-yr data.
  Center for Joint Studies, Tianjin University, Tianjin, China. June 10th, 2021.

• Induced gravitational waves to explain the NANOGrav 12.5-yr data.
  Huazhong University of Science and Technology, Wuhan, China. June 2nd, 2021.

• Stochastic Gravitational Waves Induced by Scalar Perturbations. (Colloquium)
  Kavli Institute of Astronomy and Astrophysics, Peking University, Beijing, China. June 17th, 2021.

• Stochastic Induced Gravitational Wave Background: Recent Developments.
  Kavli IPMU, the University of Tokyo, Japan. Feb. 17th, 2020. (online)

• Stochastic Induced Gravitational Wave Background: Recent Developments.
  RESCEU, the University of Tokyo, Japan. Feb. 8th, 2020. (online)

• Stochastic Induced Gravitational Wave Background: Recent Developments.
  Physics Department, Swansea University, United Kingdom. Nov. 11th, 2020. (online)

• Stochastic Background of Induced Gravitational Waves: Recent Developments.
  Center for Gravitation and Cosmology, Yangzhou University, Yangzhou, China. Nov. 4th, 2020.

• Stochastic Background of Induced Gravitational Waves: Recent Developments.
  Physics Department, Tsinghua University, Beijing, China. Oct. 30th, 2020.

• Stochastic Background of Induced Gravitational Waves: Recent Developments.
  Astronomy Department, University of Science and Technology of China, Hefei, China. Oct. 23rd, 2020.

• Stochastic Background of Induced Gravitational Waves: Recent Developments.
  Kavli IPMU, the University of Tokyo, Kashiwa, Japan. Oct. 16th, 2020. (online)

• Some Properties of Stochastic Gravitational Wave Background.
  Physics Department, Zhejiang University, Hangzhou, China. Sept. 9th, 2020.

• Some Properties of Stochastic Gravitational Wave Background.
  The Interdisciplinary Center for Theoretical Study, University of Science and Technology of China, Hefei, China. July 24th, 2020.

• Some Properties of Stochastic Gravitational Wave Background.
  Institute for High Energy Physics, Chinese Academy of Sciences, Beijing, China. June 18th, 2020. (online)

• Stochastic Background of Gravitational Waves.
  Physics Department, Nankai University, Tianjin, China. Dec. 12th, 2019.

• Universal Infrared Scaling of the Gravitational Wave Spectra.
  Institute for Theoretical Physics, Beijing, China. Nov. 7th, 2019.

• Stochastic Background of Gravitational Waves.
  Astronomy Department, Shanghai Jiaotong University, Shanghai, China. Aug. 5th, 2019.

• Stochastic Background of Gravitational Waves.
  Physics Department, Fudan University, Shanghai, China. May 17th, 2019.

• Stochastic Background of Gravitational Waves.
  School of Physics, Wuhan University, Wuhan, China. Apr. 28th, 2019.

• Stochastic Background of Gravitational Waves.
  Kavli Institute of Astronomy and Astrophysics, Peking University, Beijing, China. Apr. 12th, 2019.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations.
  Institute for High Energy Physics, Beijing, China. Apr. 11th, 2019.

• Gravitational Waves Induced by non-Gaussian Scalar Perturbations.
  Tokyo University of Science, Tokyo, Japan. Mar. 2019.

• Gravitational Waves and Cosmology. (Colloquium)
  Physics Department, Three Gorges University, Yichang, China. 7th May 2019.

• Stochastic Background of Gravitational Waves.
  Shanghai Astronomy Observatory, Shanghai, China. 10th May 2019. (Colloquium)

• Quintessence saves Higgs instability.
  Physics Department, Taiwan University, Taipei. Oct. 2018.

• Stochastic Gravitational Waves.
  Interdisciplinary Center for Theoretical Study, University of Science and Technology of China. Hefei, China. Nov 2018.

• Stochastic Gravitational Waves.
  Astronomy Department, Beijing Normal University, Beijing, China. 25th Oct 2018.

Lectures

• Primordial Black Holes.
  The 28th International Summer Institute on Phenomenology of Elementary Particle Physics and Cosmology, Linyi, China. Aug 3rd, 2024.

• Primordial Black Holes/Gravitational Waves.
  UFITS Summer School 2023, Guizhou, China. Aug 1st, 2023.

• Stochastic Gravitational Waves from the Early Universe.
  Mini Summer School on Cosmology, Fudan University. Oct 10-13, 2021.

• Gravitational Wave and Primordial Black Hole.
  UFITS Summer School on Cosmology, University of Science and Technology of China. July 27 - Aug 2, 2021.

• Stochastic Gravitational Waves from the Early Universe.
  UFITS Summer School on Cosmology, University of Science and Technology of China. July 27 - Aug 2, 2021.

• Stochastic Gravitational Waves from the Early Universe.
  Summer School on Gravitational Wave Astronomy, International Center for Theoretical Sciences, Tata Institute of Fundamental Research. July 5-16, 2021.

Updated on Aug. 29, 2026.