Mathematical Picture Language Project Seminar

This academic year, a seminar series in mathematical physics will be held in Jefferson 356 on Tuesdays at 4:00 p.m. Arthur Jaffe and Zhengwei Liu commenced the series with a talk introducing the Mathematical Picture Language Project on September 5th.

2017-2018 Mathematical Physics Seminars

Jefferson 356, 4:00 p.m.

Tuesday, April 10 2018 Zhiwei Yun, MIT

"Hitchin moduli spaces in automorphic representation theory"


Tuesday, April 3 2018 Marcel Bischoff, Ohio University

"Quantum Symmetries and Conformal Nets"


Tuesday, March 27 2018 Feng Xu, UC Riverside

"On questions around the reconstruction program"


Friday March 23 2018 Wei Zhang, MIT

Special day and time: 3:00 p.m. Jefferson 250

"Superpositivity of L-functions and 'completion of square'"


Tuesday, March 20 2018 Jürg Fröhlich, ETH Zurich

"Physics in 2D – from the Kosterlitz-Thouless Transition to Topological Insulators"


Tuesday, February 27 2018 Hans Wenzl, UC San Diego

"Coideal Algebras and Subfactors"


Friday February 23 2018 Xinqi Gong, Renin University in China

Special day and time: 3:00 p.m. Jefferson 250

"Mathematical Intelligence Applications in Bio-medical Problems"


Tuesday, February 13 2018 Nicholas Early, University of Minnesota

"Canonical bases for permutohedral plates"


Friday, February 9 2018 Boqing Xue,  Chinese Academy of Sciences

Special day and time: 10:00 a.m. Jefferson 453

"A basic introduction to the Riemann hypothesis"


Tuesday, February 6 2018 Jacob Shapiro, ETH Zurich

"Bulk-Edge Duality and Complete Localization for Disordered Chiral Chains"


Friday, February 2 2018 Yunxiang Ren, Tennessee State University

Special day and time: 4:00 p.m. Jefferson 250

"A new skein theory for One-Way Yang-Baxter planar algebras"


Tuesday, January 30 2018 Kaifeng Bu, Harvard University and Zhejiang University

"de Finetti Theorems for Braiding Parafermions"


Tuesday, January 23 2018 Bin Gui, Vanderbilt University

"A unitary tensor product theory for unitary vertex operator algebra modules"


Tuesday, January 16 2018 Marco de Renzi, University of Paris 7

"Renormalized Hennings Invariants and TQFTs"


Tuesday, November 14 2017 Dennis Gaitsgory, Harvard University

"Higher representation theory"

Tuesday, November 7 2017 Liming Ge, UNH and Chinese Academy of Science
"From Riemann and Hilbert to Kadison-Singer"

Tuesday, October 31 2017 Zhenghan Wang, Microsoft Station Q
"Reconstructing chiral CFTs/VOAs from 2D TQFTs/MTCs"

Tuesday, October 24 2017 No Seminar

Tuesday, October 17 2017 No Seminar

Thursday, October 12 2017 Yasu Kawahigashi, University of Tokyo
Special day and time: 2:00 p.m. Jefferson 453
“From vertex operator algebras to operator algebras and back”

Tuesday, October 10 2017 Michael Hopkins, Harvard University

"Reflection Positivity and Invertible Topological Phases"


Tuesday, October 3 2017 Alina Vdovina, Newcastle University, UK
“Buildings, surfaces and quaternions” 

Tuesday, September 26 Jinsong Wu, Harvard University

“The Brascamp-Lieb Inequalities for Planar Algebras”


Tuesday, September 19 2017

No Seminar, Brian Greene Public Lecture


Tuesday, September 12 2017 William Norledge, Harvard University

“A Construction of Lattices in Buildings”

Tuesday, September 5 2017 Arthur Jaffe and Zhengwei Liu, Harvard University

“An Introduction to the Picture Language Project”

This spring semester, starting February 5, 2019, seminars will generally be held in Jefferson 356 on Tuesdays at 3:00 p.m. This past fall semester, starting September 4, 2018, seminars were generally in Jefferson 356 on Tuesdays at 4:00 p.m.

Exceptions are noted.

Tuesday, April 30 2019 Shawn Cui, Virginia Tech
"Four Dimensional Topological Quantum Field Theories from G-crossed Braided Categories"

Tuesday, April 23 2019 Yi-Hong Zhang, Tsinghua University
"Quantum many-body computation on a small quantum computer"

Tuesday, April 16 2019 Emil Prodan, Yeshiva University
"Pushing index theorems into the Sobolev"

Tuesday, April 9 2019 Claus Koestler, University College Cork
"Markovianity as a distribution symmetry"
Special Extra Seminar, Tuesday, April 9 2019 4:30PM Alina Vdovina, Newcastle University
"Higher dimensional picture languages"

Tuesday, April 2 2019 Mikael Rordam and Magdalena Elena Musat, University of Copenhagen
3PM : Mikael Roradam, "Highlights of the classification of simple nuclear C*-algebras"
4PM: Magdalena Elena Musat,  "Quantum correlations, factorizable channels, and the Connes Embedding Problem"

Tuesday, March 26 2019 Jinsong Wu, Harbin Institute of Technology
"Fourier Analysis on Fusion Rings"

Tuesday, March 12 2019 Youwei Zhao, University of Science and Technology of China
"A review of the surface code from an experimental perspective"

Tuesday, March 5 2019 Kaifeng Bu, Harvard and Zhejiang University
"Efficient classical simulation of Clifford circuits with nonstabilizer input states"

Tuesday, February 26 2019 Fei Wei, Harvard
"Entropy of arithmetic functions and arithmetic compactifications"

Tuesday, February 12 2019 Liang Kong, Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology 
"A unified mathematical theory of gapped and gapless boundaries of 2d topological orders"

Tuesday, February 5 2019 Zhengwei Liu, Harvard
"Quantum Error Correcting Codes"

Tuesday, November 13 2018 William Norledge Pennsylvania State University
"The adjoint braid arrangement as a free Lie algebra in species via the Steinmann relations"

Friday, November 9 2018 Xun Gao Harvard University and Max Planck Institute for Quantum Optics
Special Day, Special Time: Now on Friday 3:30PM, Jefferson 256
"Pictorial language in quantum computation"

Tuesday, October 30 2018 Chunlan Jiang Hebei Normal University
"Similarity Invariants of Geometric Operators"

Tuesday, October 23 2018 Shamil Shakirov Harvard University
"Rational integrable systems associated with higher genus surfaces"

Tuesday, October 16 2018 Christoph Gorgulla, Harvard Medical School
"A quantum mechanical free energy method based on Feynman's path integral formulation"

Tuesday, October 9 2018 Jean-Bernard Zuber, Sorbonne Université
"ADE and all that, 30 years after"

Friday, October 5 2018 Semyon Dyatlov, University of California, Berkeley and MIT
Special Day, Extra Seminar: Friday 4:30PM
Special Location: Jefferson 453
"Fractal uncertainty principle and quantum chaos"

Tuesday, October 2 2018 Victor Kac, MIT
Special Time: 5:00 PM
"Multiplicative Poisson vertex algebras and differential-difference Hamiltonian equations"

Tuesday, September 25 2018 Pavel Etingof, MIT 
"New symmetric tensor categories in positive characteristic"

Tuesday, September 18 2018 Liming Ge, UNH and Chinese Academy of Sciences
"On Multiplicative Fourier Transform"

Friday, September 14 2018 Zhengwei Liu, Harvard
Special Time and Location: Infinite Dimensional Analysis Seminar.
Friday, September 14 at 3pm in MIT Room 2-136
"Quantum Fourier Analysis"

Tuesday September 11 2018 and Wednesday September 12: The regular seminar will be replaced by the 2018 Ahlfors Lectures on machine learning by Sanjeev Arora.

Friday, September 7, 2018 Zhengwei Liu, Harvard
Special Time and Location: Tufts University Mathematics Colloquium.
Friday, September 7 at 4pm. Tea at 3:30pm Bromfield-Pearson 101
Quantum Fourier Analysis

Tuesday, September 4 2018 Bohan Fang, Peking University
"Mirror symmetry for the toric Calabi-Yau 3-folds"


From March 31, 2020, unless noted otherwise, the seminar will be held at 10:00 US Eastern Daylight Time. This is 16:00 Central European Daylight Time or 22:00 in China
The link to all seminars from September 29, 2020 forward is 
Zoom Link for Seminars   
Most of the seminars can be viewed on the Mathematical Picture Language Youtube Channel

Online: Tuesday, November 11, 2020 Sergei Gukov, California Institute of Technology  
"Learning to Unknot"

Online: Tuesday, November 4, 2020 Liang Kong, SUSTech (South China University of Science and Technology)  

Online: Tuesday, October 27, 2020 Sebastien Palcoux, Tsinghua University  
"The quest of a finite, purely-quantum group"

Online: Tuesday, October 20, 2020 Joost Slingerland, National University of Ireland, Maynooth  

Online: Tuesday, October 13, 2020 Xun Gao, Harvard University  
"Evaluating quantum circuits and exactly solvable models by untying knots"

Online: Tuesday, October 6, 2020 Zhenghan Wang, Microsoft Station Q and UCSB 
"Reconstructing CFTs from MTCs"

Online: Tuesday, September 29, 2020 David Evans, University of Cardiff 
"K-theory of Operator Algebras, Orbifolds and Conformal Field Theory"

Online: Tuesday, September 22, 2020 Yunxiang Ren, Harvard University 
"Triangular Prism Equations and Categorification"

Online: Tuesday, September 15, 2020 Avi Wigderson, Institute for Advanced Study Slides Powerpoint Video
"Optimization, Complexity, and Math"

Online: Tuesday, September 8, 2020 Nilanjana Datta, Cambridge University Slides Video
"Discriminating Between Unitary Quantum Processes"

Online: Tuesday, September 1, 2020 Jinsong Wu, Harbin Institute of Technology Slides Video
"Some Inequalities in Locally Compact Quantum Groups"

Online: Tuesday, August 25, 2020 No Seminar 

Online: Tuesday, August 18, 2020 Laurent Pascal Saloff-Coste, Cornell University Slides Video
"Is any compact Lie group uniformly doubling?"

Online: Tuesday, August 11, 2020 Marianne Leitner, Dublin Institute for Advanced Studies (joint seminar with DIAS) Slides Video
"Integrability, Rationality and Convolutions"

Online: Tuesday, August 4, 2020 Gilles Pisier, Texas A&M University and Sorbonne Université Slides Video
"A Non-nuclear C*-algebra with the Weak Expectation Property and the Local Lifting Property

Online: Tuesday, July 28, 2020 David Gross, University of Cologne Slides Video
"The Representation Theory of the Clifford Group, with Applications in Quantum Information"

Online: Tuesday, July 21, 2020 Vaughan Jones, Vanderbilt University Slides Video
"Applied von Neumann Algebra"

Online: Tuesday, July 14, 2020 Paul Fendley, All Souls College, Oxford University Slides Video
"Integrability and Braided Tensor Categories"

Online: Tuesday, July 7, 2020 Marius Junge, University of Illinois at Urbana-Champaign Slides Video
"Decay Estimates and Complete Bakry-Emry Theory"

Online: Tuesday, June 30, 2020 Robert Raussendorf, University of British Columbia Slides Video 
"A Hidden Variable Model for Universal Quantum Computation With Magic States on Qubits"

Online: Tuesday, June 23, 2020 Zhengwei Liu, Tsinghua University (visiting Harvard) Slides Video
"Quantum Fourier Analysis"

Online: Tuesday, June 16, 2020 Matthew Hastings, Microsoft Station Q and Redmond Slides Video
"The Power of Adiabatic Quantum Computation with no Sign Problem"

Online: Tuesday, June 9, 2020 Elizabeth Crosson, University of New Mexico Slides Video
"The Sign Problem and its Relation to the Spectral Gap of Quantum Many-Body Systems"

Online: Tuesday, June 2, 2020 Shawn Cui, Purdue University Slides Video 
"Kitaev's Finite Group Model as an Error Correcting Code"

Online: Tuesday, May 26, 2020 Scott Aaronson, University of Texas Video
"From Archimedes to Quantum Supremacy"

Online: Tuesday, May 19, 2020 Alina Vdovina, University of Newcastle Slides Video
"Buildings, C*-Algebras and New Higher-Dimensional Analogues of the Thompson Groups"

Online: Tuesday, May 12, 2020 Werner Nahm, Dublin Institute for Advanced Study Slides Video
"Euclidean Quantum Field Theory: Axioms and Automorphic Forms"

Online: Tuesday, May 5, 2020 Roberto Longo, University of Rome Tor Vergata Slides Video
"The Information in a Wave"

Postponed: Tuesday, April 28, 2020 David Ruelle, IHES (France)
"A Theory of Hydrodynamic Turbulence Based on Non-Equilibrium Statistical Mechanics"

Online: Tuesday, April 28 2020 Daniel Gottesman, Perimeter Institute Slides Video
"Graphical Proofs for Fault-Tolerant Quantum Computation"

Online: Tuesday, April 21, 2020 Jürg Fröhlich, ETH Zürich  Slides Video
"Kochen, Specker, Bell, and Others"

Postponed: Tuesday, April 21, 2020 Zhenghan Wang, Microsoft Station Q and UCSB
"Ground-States of Topological Phases of Matter as Error Correction Codes"

Online: Tuesday, April 14 2020 Thomas Spencer, Institute for Advanced Study, Princeton Slides Video
"Evolution of NLS with Bounded Data"

Online: Tuesday, April 7, 2020 Leonard Gross, Cornell Univesity Slides Video
"Equivalence of Helicity and Euclidean Self-Duality for Gauge Fields"

Online: Tuesday, March 31 2020 Ian Jauslin, Princeton University Slides Video
"Liquid crystals and the Heilmann-Lieb model"

Online: Tuesday, March 24 2020 Edward Farhi, Google and MIT
"QAOA: Landscape Independence and the Sherrington-Kirkpatrick Model"
 Zoom (video presentation) at

Tuesday, March 10 2020 Sergei Bravyi, IBM
"Variational Quantum Algorithms: Obstacles and Opportunities"
Special time: 3 pm

Thursday, March 5 2020 James Glimm, SUNY at Stony Brook
"A Maximum Entropy Rate Principle and Other Turbulence Related Results and Speculations"
Special day and time: Thursday, 4:30 pm

Tuesday, March 3 2020 Weihua Liu, University of Arizona
On quantum distributional symmetries for *-random variables

Thursday, February 27 2020 Nilin Abrahamsen, MIT
Special day and time: Thursday, 11:00 am
Special location: Lyman 338
"Classical Algorithm for Ground States of Spin Trees"

Tuesday, February 25 2020 You Zhou, Harvard
"Constructing Multipartite Bell Inequalities from Stabilizers"

Tuesday, February 18 2020 Linghang Kong, MIT
Special time: 3 pm
"Separation of Out-of-time-ordered Correlation and Entanglement"

Tuesday, February 11 2020 Dominik Wild, Harvard
"Quantum Algorithms for Classical Sampling Problems"

Tuesday, February 4 2020 Zhengwei Liu, Tsinghua University
"Quantized Graphs and Quantum Error Correction"

Tuesday, January 28 2020 Aram Harrow, MIT
"Phase Transitions in the Complexity of Simulating Random Shallow Quantum Circuits"

Tuesday, January 7 2020 Jin-Long Huang, University of California San Diego
"Exotic 3D Topologically Ordered States"

Tuesday, December 3 2019 Christopher King, Northeastern University
"Contractive Bounds for Quantum Markov Semigroups"

Thursday, November 7 2019 Leo Zhou, Harvard
Special day and time: Thursday, 11 am
Special location: Lyman 338
"Symmetry-Protected Dissipative Preparation of Matrix Product States"

Tuesday, November 12 2019 Yichen Huang, MIT
"Renyi Entanglement Entropy in Quantum Many-Body  Systems"

Thursday, October 24 2019 Chunlan Jiang, Heibei Normal University
Special day: Thursday
Special location: Lyman 338
"Some Progress on the Problem of Invariant Subspaces"

Tuesday, October 22 2019 Juven Wang, Harvard University
"Quantum 4d Yang-Mills Theories and Time-Reversal Symmetric 5d Higher-Gauge TQFT"