Talks

Y2021

• "宇宙致密物质之王：黑洞-深度解读2020年诺贝尔物理学奖", Public Talk, 合肥五十中, Hefei, China, January 4

Y2020

• "Prospective of the dynamical nature of late-time cosmic acceleration from Dynamical Dark Energy & f(T) Modified Gravity", Colloquium, HUST, Wuhan, China, December 23
• "When MDPI meets academic research", Invited Speech on MDPI学者答谢宴, MDPI, Beijing, China, December 22
• "Towards a healthy bouncing cosmology from general scalar tensor theories", Webinar for the PPGCosmo Program, Centro Brasileiro de Pesquisas Físicas, online, Brazil, December 11
• "探秘宇宙起源的中国青年力量", Public Speech, 2020《答案》年终秀, 观视频, Shanghai, China, November 29
• "宇宙起源的理论研究和观测进展", Plenary Talk on NSFC第三届天文学科发展青年论坛, USTC, Chizhou, China, November 19
• "Archeology of the Early Universe through Cosmic Microwave Background Radiations", Lecture, 中科大近代物理专题前沿课程, USTC, Hefei, China, November 16
• "Towards the healthy bouncing cosmology", Colloquium, Shanghai U, online, China, November 13
• "Primordial black holes and stochastic gravitational waves in the sound speed resonance cosmology", Webinar, Institute for Research in Fundamental Sciences, online, Iran, November 10
• "Sound speed resonance in the very early universe", Plenary Talk on China-India Workshop on High Energy Astrophysics, Fudan U & USTC, online, China, November 8
• "Stochastic background of gravitational waves from the sound speed resonance cosmology", Invited Talk on 彭桓武理论物理青年物理学家论坛分论坛, Chongqing U, Chongqing, China, October 30
• "A brief review on bounce cosmology", Plenary Talk on 南方科技大学第一届引力和宇宙学会议, Southern U of Science and Technology of China, Shenzhen, China, October 28
• "天文学中人工智能的应用", Invited Talk, 第二届国产智能处理器应用技术研讨会, 苏州研究院, USTC, Suzhou, China, October 24
• "从2020年诺奖解读黑洞物理与基础科技研发", Public Lecture, 安徽省办公厅培训讲座, Hefei, China, October 20
• "猎捕宇宙致密物质之王：黑洞-深度解读2020年诺贝尔物理学奖 ", Public Talk, 中科大施汝为论坛, USTC, Hefei, China, October 18
• "宇宙致密物质之王：黑洞-深度解读2020年诺贝尔物理学奖 ", Public Talk, 安徽省图书馆新安百姓讲堂, Hefei, China, October 17
• "来自“事件视界望远镜”的科学启示——用黑洞阴影检验弱等效原理", Symposium Symmetry-MDPI线上研讨会前沿科学讲座, online, China, September 16
• "Nonsingular bounce cosmology and the perturbation theory from the effective field theory perspective", Plenary Talk on Physics of the Early Universe - An Online Precursor, International Center for Theoretical Physics, Tata Institute of Fundamental Research, online, India, September 3
• "Testing the equivalence principle with the black hole shadow in light of Event Horizon Telescope", Colloquium, Sichuan U, Chengdu, China, August 10
• "倾听宇宙的摇篮曲——原初引力波", Public Talk, 江苏省物理学会2020年学术年会粒子物理、核物理与宇宙学分会场, online, China, August 10
• "A brief history about our universe - To the boundary of what we know and beyond", Public Talk, USTC天文夏令营, USTC, online, China, July 19
• "请给黑洞君拍照吧——来自“事件视界望远镜”的科学启示", 东北大学夏季学期前沿科学讲座, Shenyang, China, July 9
• "拍照啦，黑洞君——来自“事件视界望远镜”的科学启示", Public Talk, 嘉兴市第一中学, Jiaxing, China, July 1
• "Challenges and constructions of nonsingular bounce cosmology", Invited Talk 引力与宇宙学前沿研讨会, Dalian U of Technology, online, China, June 9
• "Looking for a healthy nonsingular bounce", Invited Talk for the international spring workshop on gravity and cosmology, Jagiellonian U, online, Poland, May 27
• "Physical Cosmology: Primordial Gravitational Waves & CMB Physics", Lecture, 上海交通大学“天体物理前沿课题研讨”课程, online, China, May 26
• "A brief history about our universe - To the boundary of what we know and beyond", Public Talk, 研究生招生宣讲, USTC, online, China, May 21
• "Physical Cosmology: What you need to know as a beginner", Lecture, 上海交通大学“天体物理前沿课题研讨”课程, online, China, May 19
• "宇宙大航海的相关研究", MPDI Universe online symposium, China, April 30
• "极简宇宙史：认知边界的扩张", Public Talk, 混沌大学, online, China, April 16
• "Searching for​ new ​particle physics​ ​​via​ ​gravitational wave​ ​astronomy", Webinar, Tsinghua U, online, China, April 14
• "First Photograph of Black Hole: Event Horizon Telescope and Implications", Public Talk, IASSU, online, China, April 10
• "Towards the nature of late-time cosmic acceleration from Dynamical Dark Energy & f(T) Modified Gravity", Colloquium, Nanjing U, online, China, March 19
• "Testing the equivalence principle using the shadow of black holes in light of Event Horizon Telescope", Symposium on New perspectives on Cosmology, APCTP, Pohang, Korea, January 8

Y2019

• "Towards the birth of our Universe from the perspective of a healthy nonsingular bounce", Colloquium, Yangzhou U, Yangzhou, China, December 24
• "On the birth of our Universe - Primordial Gravitational Waves & CMB Physics", Colloquium, Nanchang U, Nanchang, China, December 19
• "Exploring the birth of our Universe: Primordial Gravitational Waves & CMB Physics", Colloquium, Nankai U, Tianjin, China, December 11
• "从流浪地球到宇宙起源 - 2019年诺贝尔物理学奖深度解读", Public Talk, 安徽省图书馆新安百姓讲堂, Hefei, China, December 1
• "从流浪地球到宇宙起源 - 2019年诺贝尔物理学奖深度解读", Public Talk, 合肥市科技馆, Hefei, China, November 30
• "从流浪地球到宇宙起源 - 2019年诺贝尔物理学奖深度解读", Public Talk, 合肥市图书馆, Hefei, China, October 27
• "从流浪地球到宇宙起源 - 2019年诺贝尔物理学奖深度解读", Public Talk, 墨子沙龙, Shanghai, China, October 26
• "从流浪地球到宇宙起源 - 2019年诺贝尔物理学奖深度解读", Public Talk, 北京中科大校友会, Beijing, China, October 15
• "Cosmic microwave background, primordial gravitational waves, and the origin of the Universe", invited in the 2nd International Symposium on Cosmology and AliCPT, Beijing Normal U, Beijing, China, September 7
• "Towards the nature of late-time cosmic acceleration: Dynamical dark Energy & f(T) Gravity", Colloquium, SYSU, Zhuhai, China, September 4
• "When Primordial Black Holes Meet a Stochastic Background of Gravitational Waves with Sound Speed Resonance", invited in the Gravitational Wave Astrophysics Conference 2019, YNO, Kunming, China, August 15
• "Searching for​ ​particle physics​ ​signals​ via​ ​gravitational wave​ ​astronomy", invited in the 2nd TDLI Mini-Workshop on “New Physics at the Tera Scale”, T.D. Lee Institute, SJTU, Shanghai, China, August 4
• "Adventure of constructing a universe of healthy nonsingular bounce", Seminar, China Northeastern U, Shenyang, China, July 23
• "Particle Cosmology: What you need to know as a beginner", Summer School, China Northeastern U, Shenyang, China, July 23
• "Particle Cosmology: What you need to know as a beginner & Primordial Gravitational Waves & CMB Physics", Summer School, Tsinghua U, Beijing, China, July 11
• "Understanding the dynamical nature of late-time cosmic acceleration: Dark Energy & f(T) Gravity ", invited in the Workshop on Beyond General Relativity, Beyond Cosmological Standard Model, Warsaw, Poland, July 1
• "Theoretical studies upon the origin and evolution of the universe and statistic analysis of CMB B-mode polarization", 2019 AliCPT annual summary Talk, IHEP, Beijing, China, June 7
• "An overview on cosmic acceleration of the present universe: dark energy and f(T) gravity", Colloquium, SWIFAR, Yunnan U, Kunming, China, May 30
• "Archeology of the Early Universe with Cosmic Microwave Background Experiments", Colloquium, China Northeastern U, Shenyang, China, May 17
• "When Primordial Black Holes from Sound Speed Resonance Meet Stochastic Background of Gravitational Waves", Workshop on Recent Progress in Relativistic Astyrophysics, Fudan U, Shanghai, China, May 6
• "First Photograph of Black Hole: Event Horizon Telescope and Implications", Colloquium invited by Springer Nature Press, Shanghai, China, May 6
• "Probing Very Early Universe with Cosmic Microwave Background Radiations", Workshop on ultra high energy cosmic rays, Fudan U, Shanghai, China, May 4
• "Academic dialogue: Science & Art - Scientific Humanism in Modern China", Science & Art Academic Dialogue by Consulate General of Italy in Shanghai, Shanghai Municipal History Museum, Shanghai, China, May 3
• "Probing the very early universe with CMB and AliCPT science", CAS Strategic Priority Research Program Meeting on multi-messenger & GW astronomy, Yunnan Observatory, Kunming, China, April 10
• "极简宇宙史——微波背景辐射与宇宙起源探秘", Public Lecture, 国家行政学院, Beijing, China, March 24
• "The universe and intelligent beings", Public Talk on CC Forum, Beijing, China, March 23
• "Archeology of the Early Universe through Cosmic Microwave Background Radiations ", Advanced Lectures on modern sciences, USTC, Hefei, China, March 11
• "An overview on late-time cosmic acceleration: Dark Energy & f(T) Gravity", Colloquium, Sichuan U, Chengdu, China, March 1
• "Highlights of particle cosmology in 2018 & comments on the dark universe", 2019 Winter Particle Cosmology Group Anual Workshop, USTC, Hefei, China, January 20
• "Phenomenological study on late-time cosmic acceleration: Dark Energy & f(T) Gravity", Symposium on New perspectives on Cosmology, APCTP, Pohang, Korea, January 8
• "Primordial Black Holes from Inflationary Sound Speed Resonance", IAS Workshop on Black Holes, Inflation and Gravitational Waves, HKUST, Hongkong, China, January 4
• "Understanding the late-time cosmic acceleration from Dynamical Dark Energy & f(T) Gravity", Seminar, Hongkong U, Hongkong, China, January 3

Y2018

• "On late-time cosmic acceleration: Dark Energy & Modified Gravity​", Colloquium, Yangzhou U, Yangzhou, China, December 26
• "Archeology of Our Universe by the tool of Primordial Gravitational Waves​", Public Talk, 合肥市五十中, Hefei, China, November 27
• "Archeology of Our Universe by the tool of Primordial Gravitational Waves​", Public Talk, 杭州二中, Hangzhou, China, November 26
• "Archeology of Our Universe by the tool of Primordial Gravitational Waves​", the Future Forum Science Symposium, Beijing, China, November 18
• "Cosmology and Intelligent Beings​", Cosmology Pub, USTC, Hefei, China, October 24
• "Archeology of the Early Universe with CMB Experiments​", Public Lecture for 格物致知社, USTC, Hefei, China, October 21
• "A new mechanism of generating Primordial Black Holes from sound speed resonance​", Colloquium, USTC, Hefei, China, October 16
• "Probing the very early universe with CMB observations and AliCPT science​", the 1st International Symposium on Cosmology and AliCPT, SJTU, Shanghai, China, September 23
• "Archeology of the Universe through Primordial Gravitational Waves​", the 2nd International Symposium on gravitational wave astronomy, Xiamen U, Xiamen, China, May 23
• "A hypothetical dark matter candidate: Primordial black holes from sound speed resonance​", Workshop on 中科大-紫台青促交流会, PMO, Nanjing, China, May 12
• "Probing the Very Early Universe with CMB Experiments​", Colloquium, SJTU, Shanghai, China, April 17
• "Exploring the very early Universe through the CMB window​", Advanced Lecture for Astrophysics, USTC, Hefei, China, March 26
• "Exploring the very early universe with CMB observations​", KIAA/DoA Colloquium, Peking U, Beijing, China, March 13
• "The absorption signal of 21cm-line and its interpretation​", Lunch Seminar, Peking U, Beijing, China, March 13
• "Imprinting primordial gravitational waves on the map of cosmic microwave background​", Lecture for the Frontiers of Astrophysics, Peking U, Beijing, China, March 13
• "Primordial Gravitational Waves, CMB Physics & the Very Early Universe​", Advanced lecture for astro graduate students, Shanghai Obeservatory, CAS, Shanghai, China, March 11 & 18
• "Introduction to ​the ​nonsingular bounce​ cosmology​", Colloquium, Fudan U, Shanghai, China, March 6
• "引力波宇宙学相关问题研讨", Workshop on 十四五发展规划-青年天文学术研讨会 , Kunming, China, January 20
• "Physics of the Very Early Universe & CMB Experiments", Colloquium, Yunnan Observatory, CAS, Kunming, China, January 19
• "Adventure of building a healthy nonsingular bounce universe", Colloquium, Hunan Normal U, Changsha, China, January 8

Y2017

• "The Birth of Our Universe", Public Lecture, 合肥八中, Hefei, China, December 27
• "Primordial Non-Gaussianitiesfrom non-attractor inflation Revisited: Gone Signals", parallel session on CosPA2017, YITP, Kyoto, Japan, December 12
• "Primordial Gravitational Waves & the CMB Physics", Advanced Lectures on modern sciences, USTC, Hefei, China, December 7
• "Primordial Gravitational Waves and the CMB", Workshop on PMO and USTC collaborations, PMO & USTC, Hefei, China, December 6
• "The Very Early Universe & the CMB Physics", Advanced Lectures on modern sciences, USTC, Hefei, China, December 5
• "Cosmology and Intelligent Beings", Mini-Salon Pub, USTC, Hefei, China, December 2
• "Listening to the chord of the elegant Universe - Public Lecture on Gravitational Waves", Public Lecture, 湖州中学, Huzhou, China, November 28
• "Listening to the chord of the elegant Universe - Public Lecture on Gravitational Waves", Public Lecture, 湖州二中, Huzhou, China, November 28
• "Listening to the chord of the elegant Universe - Public Lecture on Gravitational Waves", Public Lecture, 长兴中学, Changxing, China, November 27
• "The journey of building the healthy nonsingular bounce cosmology", Cosmology Workshop, SYSU, Guangzhou, China, November 19
• "Opera about Matteo Ricci and Guangqi Xu - Chapter of Science", China-Italy Dialogue: From Xu Guangqi to Today - Culture, Science & Business, with Antonino Marciano, NYU at Shanghai, Shanghai, China, November 14
• "Probing the very early universe with CMB experiments", Colloquium, SHAO, Shanghai, China, November 2
• "Primordial Gravitational Waves and CMB Physics", Advanced Lectures on gravitational waves, NAOC, Beijing, China, October 23
• "Is there a healthy version ofnonsingular bounce cosmology?", Seminar, Leiden U, Leiden, The Netherlands, September 6
• "CMB power asymmetry anomaly from a model of multi-speed inflation", Cross-Strait Symposium of Astrophysics, Taipei, Taiwan, China, July 3
• "The chord of the elegant Universe - Public Lecture on Gravitational Waves", Public Lecture, 合肥市五十中, Hefei, China, June 9
• "Very early universe & CMB experiments", Advanced Lectures on astrophysics, USTC, Hefei, China, April 26
• "CMB & power asymmetry anomaly & multi-speed inflation", Colloquium, Xiamen U, Xiamen, China, April 6
• "Ngari on the way: CMB polarization project at Tibet, China", 2017 CfA@USTC Junior Cosmology Symposium: Early Universe & Chinese Ngari CMB Project, USTC, Hefei, China, March 4
• "Holographic Model of Cosmic Preheating", Symposium on New perspectives on Cosmology, APCTP, Pohang, Korea, February 13
• "Holographic Description of Cosmic Preheating", Seminar, HKUST, HongKong, China, January 3

Y2016

• "CMB, power asymmetry & Inflationary Perturbation Theory with multiple sound speeds", Colloquium, Tsinghua U, Beijing, China, December 22
• "Brief Introduction to Cosmic Bounce", invited in the 6th Annual Conference for Graduates in the School of Physical Sciences, USTC, Hefei, China, November 26
• "Gravitational Waves from the Electroweak Phase Transition", 2016 Annual Meeting of the Chinese Astronomical Society, Central China Normal U, Wuhan, China, November 2
• "Relic Gravitational Waves from Phase Transitions at Electroweak scales", the East China Youth Astronomy Meeting, Shanghai Observatory, Anji, China, August 27
• "CMB power asymmetry & Inflationary perturbation theory with multiple sound speeds", Seminar, Purple Mountain Observatory, Nanjing, China, August 26
• "Gravitational Waves from Phase Transitions at Electroweak scales", Seminar, USTC, Hefei, China, August 24
• "Gravitational Waves from the Electroweak Phase Transition", The 2nd Interdisciplinary Symposium on Particle Physics, Nuclear Physics and Cosmology, Tibet U, Lhasa, Tibet, China, July 30
• "Radio Transients from cosmic superconducting strings", Workshop on "Structures in the Universe: Theory, Observations and Methods", USTC, Hefei, China, July 26
• "Exploring The Origin Of Our Universe", invited talk in 2016 Future Physicist International Summer Camp at USTC, USTC, Hefei, China, July 4
• "Listening to FM universe - Public Lecture on Radio Astronomy", the activity of "Colorful Guizhou Broadcast", Chishui City Hall, Guizhou, China, May 27
• "Gravitational Waves from the Electroweak Phase Transition", Workshop on Particle Cosmology, Chongqing U, Chongqing, China, May 21
• "Building a healthy version of Bouncing Cosmology", the cosmology Workshop, CCNU, Wuhan, China, May 15
• "Very Early Universe & CMB experiments", Astrophysics Colloquium, USTC, Hefei, China, May 4
• "Ali on the way", Colloquium, Fudan U, Shanghai, China, April 22
• "Listening to the Good Voice in the Universe - Public Lecture on Gravitational Waves", Public Lecture, 池州一中, Chizhou, China, April 15
• "Searching for Relic Gravitational Waves from the Electroweak Phase Transition", Colloquium, SJTU, Shanghai, China, April 11
• "Relic Gravitational Waves from the Electroweak Phase Transition", Seminar, Lanzhou U, Lanzhou, China, March 22
• "CMB power asymmetry & multi-speed inflation", Colloquium, Northwest Normal U, Lanzhou, China, March 21
• "Exploring the Early Universe via Gravity Wave Astronomy", Public Lecture on physics, Lanzhou U, Lanzhou, China, March 19
• "Probing the Electroweak Phase transition in the cosmological collider via gravitational wave surveys", Colloquium, SYSU, Guangzhou, China, March 14
• "Exploring collider physics through gravitational wave surveys at early universe", Colloquium, NAOC, Beijing, China, March 9
• "Searching for​ ​particle physics​ ​signals​ ​in the cosmological collider via​ ​gravitational wave​ ​surveys", Colloquium, Peking U, Beijing, China, March 3
• "Listening to the Voice in the Universe - Public Lecture on Gravitational Waves", Public Lecture, 杭州二中, Hangzhou, China, February 26
• "CMB power asymmetry from sound speed modulation & a generalized δN formalism", Symposium on New perspectives on cosmology, APCTP, Pohang, Korea, January 7

Y2015

• "Cosmology of F(T) Teleparallel Gravity", the 2nd LeCosPA Symposium on "Everything about Gravity", NTU, Taipei, Taiwan, December 18
• "CMB, multi-speed Inflation & a generalized δN formalism", Seminar, SYSU, Guangzhou, China, December 9
• "CMB features and a generalized δN formalism", Astrophysics Symposium, Shanghai Observatory, Suzhou, China, December 5
• "Inflation from string theory & CMB constraints", Symposium on "Issues of Gravitation and Cosmology", Ningbo U, Ningbo, China, November 26
• "A brief review of cosmic bounce", Bilateral exchange meeting between Xinjiang Observatory and USTC, USTC, Hefei, China, November 5
• "CMB, cosmological perturbation theory, generalized δN formalism", Colloquium, NAOC, Beijing, China, October 21
• "Inflation from string theory & CMB anomalies", 2015 Annual Meeting of the Chinese Astronomical Society, Peking U, Beijing, China, October 20
• "Inflation of axion monodromy & CMB anomalies", Program on "Early Universe, Cosmology and Fundamental Physics", KITPC, Beijing, China, September 21
• "CMB, Power Asymmetry, a generalized δN formalism", Colloquium, USTC, Hefei, China, September 15
• "Fluctuations in a cosmology with a space-like singularity and their gauge theory dual description", Workshop on "AdS/CFT, self-adjoint extension and the resolution of cosmological singularities", Centre de recherches mathématiques, Montreal, Canada, July 7
• "Early Universe Solutions of F(T) Gravity", 2015 Annual Meeting of the Chinese Physical Society, Division of Gravitation and Relativistic Astrophysics, Zhejiang U of Technology, Hangzhou, China, June 23
• "Inflation of axion monodromy from torsional cycles & CMB anomalies", Seminar, Fudan U, Shanghai, China, June 18
• "New axion monodromy inflation and CMB anomalies", Seminar, ICTS, USTC, Hefei, China, May 28
• "A new model of axion monodromy inflation and CMB anomalies", Seminar, YITP, Kyoto, Japan, May 8

Y2014

• "Gossips about Planck 2014", Journal Club, McGill, Montreal, Canada, December 8
• "A brief review of bouncing cosmologies", Seminar, UBC, Vancouver, Canada, July 25
• "A brief review of nonsingular bouncing cosmologies", Seminar, APCTP, Pohang, Korea, July 22
• "The latest status of bouncing cosmologies", Seminar, Fudan U, Shanghai, China, July 16
• "Recent observational constraint on bouncing cosmologies", Seminar, Shanghai Normal U, Shanghai, China, July 14
• "Challenges and progresses of bouncing cosmologies", Seminar, Shanghai Jiao Tong U, Shanghai, China, July 11
• "Exploring bouncing cosmologies with observations", Seminar, TsingHua U, Beijing, China, July 4
• "Bouncing cosmologies in light of new data", Seminar, NTU, Taipei, Taiwan, June 27
• "Constraining bouncing cosmologies with observations", 15th Canadian Conference on General Relativity and Relativistic Astrophysics, U of Winnipeg, Winnipeg, Canada, May 22
• "When bouncing cosmologies meet the BICEP2", Seminar, Dartmouth College, Hanover, USA, March 31

Y2013

• "Bounce Cosmology and the CMB", Seminar, U of Mississippi, Oxford, USA, November 14
• "Effective Field Approach of Bounce Cosmology", Seminar, Louisiana State U, Baton Rouge, USA, November 11
• "Archaeology of Our Universe", Colloquium, U of Mississippi, Oxford, USA, November 5
• "Big Bang, Bounce, and the CMB", Summer School, GUCAS, Beijing, China, July 2
• "Bounce Cosmology: an alternative to big bang cosmology", Seminar, Beijing Normal U, Beijing, China, June 27
• "Towards a Nonsingular Bounce without Pathologies", Seminar, IHEP, Beijing, China, June 26
• "Higgs Modulated Reheating and RG Improved Inflation", Seminar, Institute of Theoretical Physics (ITP), CAS, Beijing, China, June 25
• "Big Bounce and the CMB", Seminar, USTC, Hefei, China, June 20
• "From Inflation to TeV physics", Seminar, ICTS, USTC, Hefei, China, June 18
• "Multi-Speed Inflation and Curvaton Brane", Seminar, APCTP, Pohang, Korea, June 7
• "Higgs Reheating in RG Improved Inflationary Cosmology", IEU Cosmology Conference, Ewha Womans U, Seoul, Korea, June 4
• "Higgs Reheating in RG Improved Inflation", Seminar, Shanghai Normal U, Shanghai, China, May 29
• "Construction of Nonsingular Bounce Cosmology", Seminar, Nanjing U, Nanjing, China , May 28
• "Big Bang, Nonsingular Bounce, and the CMB", Seminar, National Center for Theoretical Sciences(NCTS), National Tsing Hua U, Hsinchu, Taiwan, May 23
• "Multi-Brane Inflation and Curvaton Brane", Seminar, National Taiwan Normal U, Taipei, Taiwan, May 22
• "New Matter Bounce Cosmology", Seminar, NTU, Taipei, Taiwan, May 20
• "Warm Up Our Universe in Brane Inflation", Seminar, National Chiao Tung U, Hsinchu, Taiwan, May 16
• "Towards nonsingular bouncing cosmologies", Seminar, Canadian Institute for Theoretical Astrophysics (CITA), Toronto, Canada, March 8

Y2012

• "Radio signals from cosmic superconducting strings", Workshop on "Searching for Cosmic Strings in New Observational Windows", Mcgill, Montreal, Canada, October 28
• "Introduction to Quintom Cosmology", Colloquium, Huazhong U of Science and Technology (HUST), Wuhan, China, May 28
• "Alternative to Inflation: Bounce Cosmology", Seminar, Beijing Normal U, China, May 24
• "Radio bursts from superconducting strings", TPCSF Cosmology Mini-workshop, IHEP, Beijing, China, May 22
• "Do We Live With a Big Bang", Summer School, GUCAS, Beijing, China, May 9
• "Escaping From Big Bang Singularity", Seminar, ICTS, USTC, Hefei, China, April 26
• "Introduction to Quintom Cosmology", Seminar, USTC, Hefei, China, April 24
• "Big Bang Vs Big Bounce", Seminar, Nanjing U, Nanjing, China, April 16
• "Quintom Cosmology", Seminar, NTU, Taipei, Taiwan, April 11

Y2011

• "Bouncing solution in Galileon Cosmology", Seminar, ASU, Tempe, USA, December 9
• "Galileon Bounce", Northeast Cosmology Workshop, McGill, Montreal, Canada, October 2
• "Brane Inflation with a Temperature", Seminar, Nanjing U, Nanjing, China, June 6
• "A Review of Quintom Cosmology", Frontier Physics Work Month 2011, CHEP, Peking U, Beijing, China, May 28
• "Quintom Cosmology and Lorentz Violation", Workshop on "Lorentz and CPT Violation in Astrophysics and Cosmology", IHEP, Beijing, China, May 9
• "Is Warm Brane Inflation Possible?", Seminar, ICTS, USTC, Hefei, China, May 3

Y2010

• "DBI Inflation: Cold VS Warm", Seminar, Mcgill, Montreal, Canada, December 6
• "Multi-brane inflation and warm brane inflation", Seminar, U of Arizona, Tucson, USA, October 14
• "Model building and perturbation theory of bounce cosmology", Seminar, ASU, Tempe, USA, October 13
• "Phenomenological Studies of Bounce Cosmology", Seminar, Shanghai Normal U, Shanghai, China, June 11
• "Phenomenological Aspects of Bounce cosmology", Seminar, Yukawa Institute of Theoretical Physics (YITP), Kyoto U, Japan, April 20
• "Observing a big bounce with cosmological perturbations", Seminar, The Research Center for the Early Universe, U of Tokyo, Japan, April 16
• "Multi-field and curvaton model in brane inflation", Seminar, IPMU, U of Tokyo, Japan, April 13
• "A brief introduction to brane inflation", Seminar, ICTS, USTC, Hefei, China, March 18
• "Selected topics in early universe", Theory Cosmology Workshop, IHEP, Beijing, China, January 26

Y2009

• "An Introduction to Quintom Cosmology", Cosmology Workshop, The Kavli Institute for Astronomy and Astrophysics, Peking U, Beijing, China, November 6
• "Finding observational signals of Solutions to Cosmic Singularities", Seminar, Perimeter Institute, Waterloo, Canada, October 26
• "Observing bounce cosmology with primordial perturbations", Seminar, CITA, Toronto, Canada, October 23
• "Phenomenological Aspects of Solutions to Cosmic Singularities", Seminar, McGill, Montreal, Canada, October 6
• "An alternative to inflation: matter bounce cosmology", Seminar, Simon Fraser U, Burnaby, Canada, September 29
• "Developments on Bounce Cosmology and its perturbations", Seminar, U of British Colombia, Vancouver, Canada, September 28
• "Bounce Cosmology and Primordial Perturbations", Seminar, ICTS, USTC, Hefei, China, March 19
• "Bouncing Cosmologies and Non-Gaussianity", Workshop on "Connecting Fundamental Physics with Observations", KITPC, CAS, Beijing, China, March 19
• "Cosmology of the Lee-Wick Model", Seminar, Peking U, Beijing, China, January 12

Y2008

• "Lee-Wick Cosmology", National Cosmology Workshop, IHEP, Beijing, China, December 30
• "Inflation and some Trans-Planckian physics", Seminar, IHEP, Beijing, China, April 22

Y2007

• "Quintom Bounce", Conference on "String Theory and Cosmology", KITPC, CAS, Beijing, China December 5