| 
    Monday, October 20, 2025 - 16:30 to 17:30   | Self-similar singular solutions for the nonlinear Schrödinger equation and the complex Ginzburg-Landau equation | 
    Joel Dahne   
    University of Minnesota   | 
      
              | 
    Monday, October 20, 2025 - 15:30   | Daniel Faraco Hurtado  - The Non-Linear Beltrami Equation, Staircase Laminates and Convex Integration | 
    Daniel Faraco Hurtado   
    Universidad Autónoma de Madrid   | 
      
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    Monday, September 29, 2025 - 15:30   | Iñigo U. Erneta -  Lipschitz regularity for the Poisson equation involving surface measures | 
     Iñigo U. Erneta   
    Rutgers University   | 
      
              | 
    Monday, September 15, 2025 - 15:30   | Jiří Minarčík - Fractal Hasimoto Surfaces | 
    Jiří Minarčík   
    CMU   | 
      
              | 
    Monday, September 8, 2025 - 15:30   | Minimizing energy in rational homotopy classes | 
    Adam Grzela   
    University of Warsaw   | 
      
              | 
    Thursday, July 3, 2025 - 14:30   | Daniel Spector - Capacitary Integration and Sobolev Inequalities IV | 
    Daniel Spector   | 
      
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    Thursday, July 3, 2025 - 13:00   | Daniel Spector - Capacitary Integration and Sobolev Inequalities III | 
    Daniel Spector   | 
      
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    Wednesday, July 2, 2025 - 14:30   | Daniel Spector - Capacitary Integration and Sobolev Inequalities II | 
    Daniel Spector   | 
      
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    Wednesday, July 2, 2025 - 13:00   | Daniel Spector - Capacitary Integration and Sobolev Inequalities I | 
    Daniel Spector   | 
      
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    Monday, April 21, 2025 - 15:30 to 16:30   | A new solvability condition for $L^p$ boundary value problems | 
    Martin Ulmer   
    Brown University   | 
      
              | 
    Monday, April 14, 2025 - 15:30   | Marc Karakouzian - Vibration-Induced Propulsion of a Rigid Body in a Viscous Liquid | 
    Marc Karakouzian   
    University of Pittsburgh   | 
      
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    Monday, April 7, 2025 - 16:30   | On the problem of the compressible primitive equations | 
    Sarka Necasova   
    Academy of Sciences of the Czech Republic   | 
      
              | 
    Monday, April 7, 2025 - 15:30   | Quyuan Lin - Between viscous and inviscid primitive equations | 
    Quyuan Lin   
    Clemson U   | 
      
              | 
    Monday, March 31, 2025 - 15:30   | Auttawich Manui - On the volume of Minkowski sums of anti-blocking bodies | 
    Auttawich Manui   
    Kent State   | 
      
              | 
    Monday, March 24, 2025 - 16:30   | Philipp Reiter - On a complete Riemannian metric on the space of closed embedded curves | 
    Philipp Reiter   
    University of Chemnitz   | 
      
              | 
    Monday, March 24, 2025 - 15:30   | Davide Giovagnoli - Free boundary regularity for the inhomogeneous Stefan Problem | 
    Davide Giovagnoli   
    University of Bologna   | 
      
              | 
    Monday, March 17, 2025 - 15:30   | Global Stability of Electrokinetic Flow | 
    Fizay-Noah Lee   
    Vanderbilt University   | 
      
              | 
    Monday, February 24, 2025 - 15:30   | Marcin Bownik -  A selector form of the Weaver conjecture and the Feichtinger conjecture | 
    Marcin Bownik   
    U Oregon   | 
      
              | 
    Wednesday, February 19, 2025 - 15:30   | Ugur Abdulla - Kolmogorov Problem and Wiener-type Criteria for the Removability of the Fundamental Singularity for the Elliptic and Parabolic PDEs | 
    Ugur Abdulla   
    OIST   | 
      
              | 
    Monday, February 17, 2025 - 15:30   | James Scott - Nonlocal Boundary Value Problems with Local Boundary Conditions | 
    James Scott   
    Columbia U   | 
      
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    Monday, February 10, 2025 - 15:30 to 16:30   | Long time behavior in 2d fluids | 
    Theodore Drivas   
    Stony Brook University   | 
      
              | 
    Monday, February 3, 2025 - 15:30   | Tatsuki Yamamoto - The flux problem for the steady-state Navier-Stokes equations with nonhomogeneous slip boundary conditions | 
    Tatsuki Yamamoto   
    Waseda University   | 
      
              | 
    Monday, January 13, 2025 - 15:30   | The Tangent-Point Energy from M-Dimensional Sets Revisited: Analogies to Pointwise Estimates for Sobolev Functions | 
    Pawel Strzlecki   
    University of Warsaw   | 
      
              | 
    Monday, December 9, 2024 - 15:30 to Tuesday, December 10, 2024 - 18:00   | Stability of shock and rarefaction waves for Navier-Stokes equations | 
    Feimin Huang   
    Chinese Academy of Sciences   | 
      
              | 
    Monday, December 2, 2024 - 15:30   | Liding Yao - The Cauchy-Riemann problem via extension operators | 
    Liding Yao   
    Ohio State U   | 
      
              | 
    Monday, November 11, 2024 - 16:30   | Direct and inverse problems for elastic dislocations in geophysics | 
    Anna Mazzucato   
    Penn State University   | 
      
              | 
    Monday, November 11, 2024 - 15:30   | Ryan Matzke - Spheres as Equilibrium States for Energies | 
    Ryan Matzke   
    Vanderbilt University   | 
      
              | 
    Monday, October 21, 2024 - 15:30 to 16:30   | Homogeneous solutions of stationary incompressible Navier-Stokes equations with singular rays | 
    Xukai Yan   
    Oklahoma State University   | 
      
              | 
    Monday, October 7, 2024 - 15:30 to 16:30   | The asymptotic stability of equilibrium of the free boundary problem of the compressible primitive equations | 
    Xin Liu   
    Texas A&M   | 
      
              | 
    Monday, September 30, 2024 - 15:30   | Bruno Poggi - Two problems for the magnetic Schrödinger operator and their solutions via the landscape function | 
    Bruno Poggi   | 
      
              | 
    Monday, September 23, 2024 - 15:30 to 16:30   | Global well-posedness of the 3D Patlak-Keller-Segel system near a straight line | 
    Bowei Tu   | 
      
              | 
    Monday, September 16, 2024 - 15:30 to 16:30   | Low Mach number limit of steady thermally driven fluid | 
    Weiqiang Wang   | 
      
              | 
    Monday, September 9, 2024 - 15:30 to 16:30   | Vortex-carrying solitary gravity waves of large amplitude | 
    Kristoffer Varholm   | 
      
              | 
    Monday, April 8, 2024 - 15:30   | TBA | 
    Difan Yuan   
    Beijing Normal University   | 
      
              | 
    Monday, April 1, 2024 - 15:30   | Long Time Behavior of Electroconvection Models | 
    Mihaela Ignatova   
    Temple U   | 
      
              | 
    Monday, March 25, 2024 - 15:30   | Sequential Compactness Conditions for the Theorem of Sums in the Viscosity Theory of PDEs | 
    Daniel Maienshein   
    University of Pittsburgh   | 
      
              | 
    Friday, March 8, 2024 - 10:00   | Weak solutions for the compressible Poisson-Nernst-Planck-Navier-Stokes system | 
    Daniel Marroquin   
    Federal University of Rio de Janeiro   | 
      
              | 
    Monday, February 26, 2024 - 15:30   | Phuc Nguyen - On a conjecture of David R. Adams and related function spaces | 
    Nguyen Cong Phuc   
    Louisiana State University   | 
      
              | 
    Monday, February 19, 2024 - 16:30   | Time-asymptotic stability of generic Riemann solutions to the compressible Navier-Stokes equations | 
    Yi Wang   
    Chinese Academy of Sciences   | 
      
              | 
    Monday, February 19, 2024 - 15:30   | The Free Material Design Problem for the Stationary Heat Equation on Low Dimensional Structure and Related Questions | 
    Anna Zatorska-Goldstein   
    University of Warsaw   | 
      
              | 
    Monday, February 12, 2024 - 15:30   | Nonhomogeneous boundary value problem for the steady Navier-Stokes equations with the slip boundary conditions in two-dimensional multiply-connected bounded domains | 
    Tatsuki Yamamoto   
    Waseda University   | 
      
              | 
    Monday, February 5, 2024 - 15:30   | Regularity of almost minimizers for a degenerate one-phase Bernoulli-type functional | 
    Nicolò Forcillo   
    Michigan State   | 
      
              | 
    Monday, January 29, 2024 - 16:30   | Capacitary Maximal Functions | 
    Daniel Spector   
    National Taiwan Normal University   | 
      
              | 
    Monday, January 29, 2024 - 15:30   | Green Functions, Caloric/Harmonic Measure and Geometry | 
    Simon Bortz   
    U Alabama   | 
      
              | 
    Wednesday, January 10, 2024 - 14:00   | Zofia Grochulska - Geometric properties of approximately and Sobolev differentiable homeomorphisms | 
    Zofia Grochulska   
    University of Warsaw   | 
      
              | 
    Monday, December 4, 2023 - 15:30   | David Padilla-Garza - Mathematical challenges and developments in the nonlinear bending theory for plates | 
    David Padilla-Garza   
    University of Dresden   | 
      
              | 
    Monday, November 27, 2023 - 15:30   | Bruno Franchi -  Sobolev and Poincare Inequalities for Differential Forms in the Heisenberg Groups | 
    Bruno Franchi   
    U Bologna   | 
      
              | 
    Monday, November 6, 2023 - 15:30   | José M. Urbano - On free boundary problems with varying singularities | 
    José M. Urbano   
    KAUST and Universidade de Coimbra   | 
      
              | 
    Monday, October 23, 2023 - 15:30   | Ugur Abdulla - Classification of Singularities for the Elliptic and Parabolic PDEs and its Measure-theoretical, Topological and Probabilistic Consequences | 
    Ugur Abdulla   
    Ugur Abdulla   | 
      
              | 
    Monday, October 9, 2023 - 16:30   | NON-UNIQUENESS IN PLANE FLUID FLOWS | 
    Marshall Slemrod   
    University of Wisconsin – Madison   | 
      
              | 
    Monday, October 9, 2023 - 15:30   | Bill Troy - Open problems for the nonlinear Schrodinger equation | 
    William C. Troy   
    University of Pittsburgh   | 
      
              | 
    Monday, October 2, 2023 - 15:30   | Joshua Siktar - Analysis and Discretization of Optimal Control Problems in Peridynamics | 
    Joshua Siktar   
    University of Tennessee Knoxville   | 
      
              | 
    Monday, September 18, 2023 - 15:30   | Denis Bonheure -  Flow-Induced Oscillations of a Spring-Mounted Body in a Navier-Stokes Liquid | 
    Denis Bonheure   
    Université Libre de Bruxelles   | 
      
              | 
    Monday, August 28, 2023 - 15:30   | Juan Manfredi - On Viscosity Solutions to the Non-Homogeneous Infinite Laplace Equation | 
    Juan J. Manfredi   
    University of Pittsburgh   | 
      
              | 
    Monday, April 17, 2023 - 10:00   | Short wave-long wave interactions in fluid dynamics | 
    Daniel Marroquin   
    Federal University of Rio de Janeiro   | 
      
              | 
    Monday, April 3, 2023 - 15:00   | L^2 theory for compressible Euler equations and uniqueness of BV solution | 
    Geng Chen   
    Kansas U   | 
      
              | 
    Monday, April 3, 2023 - 10:00   | Stability of Mechanistic-Chemotaxis Models | 
    Kun Zhao   
    Tulane   | 
      
              | 
    Monday, March 20, 2023 - 10:00   | José González Llorente - The Liouville theorem for averaging operators on grids | 
    José González Llorente   
    Universidad Complutense de Madrid   | 
      
              | 
    Monday, March 13, 2023 - 10:00   | Bruno Poggi - Solvability of the Poisson problem with interior data in $L^p$ Carleson spaces and its applications to the regularity problem | 
    Bruno Poggi   
    Universitat Autònoma de Barcelona   | 
      
              | 
    Monday, February 27, 2023 - 10:00   | Xiaodan Zhou - Characterization of horizontal quasiconvexity in the Heisenberg group and applications | 
    Xiaodan Zhou   
    Okinawa Institute of Technology and Science   | 
      
              | 
    Monday, February 13, 2023 - 10:00   | Weak Diffusive Stability Induced by High-order Spectral Degeneracies | 
    Qiliang Wu
   
    Ohio University   | 
      
              | 
    Monday, February 6, 2023 - 10:00   | Michał Miśkiewicz - Regularity of minimizing p-harmonic maps into spheres | 
    Michał Miśkiewicz   
    University of Warsaw   | 
      
              | 
    Tuesday, January 17, 2023 - 14:00   | Tian Jing - Varifold Solutions to Two-phase Magnetohydrodynamic Equations | 
    Tian Jing   
    University of Pittsburgh   | 
      
              | 
    Monday, December 5, 2022 - 10:00   | Javier Cueto - Helmholtz decomposition for (one-point) gradients of fractional order over bounded domains | 
    Javier Cueto   
    University of Nebraska-Lincoln   | 
      
              | 
    Thursday, December 1, 2022 - 13:00   | Michel Chipot  - Asymptotic behaviour of problems of the (p,q)-Laplacian types | 
    Michel Chipot    
    University of Zurich   | 
      
              | 
    Monday, November 14, 2022 - 10:00   | Jerome Wettstein - Half-Harmonic Gradient Flows: Existence, Uniqueness and Bubbling | 
    Jerome Wettstein   
    Florida Tech   | 
      
              | 
    Monday, November 7, 2022 - 10:00   | Tatsuki Yamamoto - Logarithmically Improved Extension Criteria Involving the Pressure for the Navier-Stokes Equations in R^3 | 
    Tatsuki Yamamoto   
    Waseda U   | 
      
              | 
    Thursday, October 27, 2022 - 12:00 to 13:00   | Let's count things | 
    Theresa Anderson   
    Carnegie Mellon University   | 
      
              | 
    Monday, October 24, 2022 - 10:00   | Giovanni Giacomin - The Lévy flight foraging hypothesis  and high-risk/high-gain strategies | 
    Giovanni Giacomin   
    The University of Western Australia   | 
      
              | 
    Tuesday, September 27, 2022 - 11:00   | Michal Wojciechowski - Microlocal approach to the Hausdorff dimension of measures | 
    Michal Wojciechowski   
    IMPAN Warsaw   | 
      
              | 
    Tuesday, September 27, 2022 - 10:00   | Ludwig Striet  - Approximation of fractional operators and fractional PDEs using a sinc-basis | 
    Ludwig Striet   
    University of Freiburg   | 
      
              | 
    Monday, September 26, 2022 - 10:00   | Shirsho Mukherjee -  Regularity of quasi-linear equations with Hormander vector fields of step two | 
    Shirsho Mukherjee   
    University of Pittsburgh / University of Bologna   | 
      
              | 
    Friday, June 10, 2022 - 15:00 to 16:00   | Singularity formation for reduced models of fluid equations | 
    Mimi Dai   
    University of Illinois at Chicago   | 
      
              | 
    Monday, February 21, 2022 - 10:00   | Shirsho Mukherjee  - Minimax characterization of non-linear eigenvalue problems. | 
    Shirsho Mukherjee    
    U Bologna   | 
      
              | 
    Tuesday, December 14, 2021 - 08:00   | Low regularity ill-posedness for 3D elastic waves and for 3D ideal compressible MHD driven by shock formation | 
    Xinliang An   
    National University of Singapore   | 
      
              | 
    Monday, November 15, 2021 - 15:00   | Characterizing Sobolev embeddings and extension results in metric-measure spaces | 
    Ryan Alvarado    
    Amherst College    | 
      
              | 
    Wednesday, June 23, 2021 - 13:00   | Woongbae Park - Conformal heat flow of harmonic maps | 
    Woongbae Park   
    University of Pittsburgh   | 
      
              | 
    Monday, April 12, 2021 - 10:00   | Conservation Laws in Biology | 
    Marshall Slemrod   
    University of Wisconsin at Madison   | 
      
              | 
    Monday, April 5, 2021 - 10:00 to 11:00   | Large-amplitude solitary waves with constant vorticity | 
    Miles H. Wheeler   
    University of Bath   | 
      
              | 
    Monday, March 29, 2021 - 10:00   | Regularity Theory for Nonlocal Equations with VMO Coefficients | 
    Simon Nowak   
    Bielefeld University   | 
      
              | 
    Monday, March 22, 2021 - 10:00   | Weakly nonlinear surface waves on the plasma-vacuum interface | 
    Paolo Secchi   
    University of Brescia   | 
      
              | 
    Monday, March 15, 2021 - 10:00   | Well-posedness of the free-boundary problem in ideal compressible MHD  with surface tension | 
    Yuri Trakhinin   
    Sobolev Institute of Mathematics   | 
      
              | 
    Monday, March 1, 2021 - 15:30   | Large fronts in hydrodynamics and nonlinear elasticity | 
    Samuel Walsh   
    University of Missouri   | 
      
              | 
    Monday, July 13, 2020 - 15:00   | James Scott - New Characterizations of Sobolev and Bessel Vector Fields | 
    James Scott   
    University of Pittsburgh   | 
      
              | 
    Monday, March 16, 2020 - 15:00   | Jasun Gong - tba | 
    Jasun Gong   
    Fordham U   | 
      
              | 
    Monday, March 2, 2020 - 15:00   | Gianmarco Giovannardi - Variations for submanifolds in graded manifolds | 
    Gianmarco Giovannardi   
    Bologna   | 
      
              | 
    Friday, February 28, 2020 - 11:00 to 12:00   | Inviscid limit of inhomogeneous Navier-Stokes equation under the Kolmogrov-type assumption | 
    Cheng Yu   
    University of Florida   | 
      
              | 
    Monday, February 17, 2020 - 15:00   | Global Stability of the Positive Equilibrium in Coupled Predator-Prey Systems | 
    Yuanwei Qi   
    University of Central Florida   | 
      
              | 
    Monday, February 10, 2020 - 16:00 to 16:45   | Global bifurcation for monotone fronts of elliptic equations | 
    Samuel Walsh   
    University of Missouri   | 
      
              | 
    Monday, February 10, 2020 - 15:00 to 15:45   | Long time behavior of 2d water waves with point vortices | 
    Qingtang Su   
    University of Southern California   | 
      
              | 
    Monday, February 3, 2020 - 15:00   | Mary Vaughan - A priori estimates for fractional powers of nondivergence form elliptic operators | 
    Mary Vaughan    
    Iowa S   | 
      
              | 
    Monday, January 27, 2020 - 15:00   | Nicole Vorderobermeier -  On the analyticity of critical points of the Möbius energy | 
    Nicole Vorderobermeier   
    University of Salzburg   | 
      
              | 
    Monday, January 13, 2020 - 15:00   | Asymptotic Limits for Some Stochastic PDEs | 
    University of Pittsburgh   | 
      
              | 
    Monday, January 6, 2020 - 15:00   | Drift Conditions for the Ergodicity of a Class of Level-Dependent M/G/1-type Processes | 
    James Cordeiro   
    University of Dayton    | 
      
              | 
    Friday, January 3, 2020 - 14:00   | Global solutions of the compressible Navier-Stokes equations | 
    Cheng Yu   
    University of Florida   | 
      
              | 
    Thursday, January 2, 2020 - 10:00   | Hyper-elastic Ricci Flow | 
    Marshall Slemrod   
    University of Wisconsin-Madison   | 
      
              | 
    Tuesday, December 10, 2019 - 10:00 to 12:00   | Michiaki Onodera - Dynamical approach to an overdetermined problem II | 
    Michiaki Onodera   
    Tokio Institute of Technology   | 
      
              | 
    Monday, December 9, 2019 - 15:00 to 17:00   | Michiaki Onodera - Dynamical approach to an overdetermined problem I | 
    Michiaki Onodera   
    Tokio Institute of Technology   | 
      
              | 
    Monday, December 2, 2019 - 15:00   | Animesh Biswas - Regularity theory for nonlocal space-time master equations. | 
    Animesh Biswas   
    Iowa State   | 
      
              | 
    Monday, November 18, 2019 - 15:00 to 16:00   | An example of anomalous dissipation for passive scalars | 
    Theodore Drivas   
    Princeton University   |