**Conference/****Seminar/Colloquium Talks:**

- Department of Mathematics, Hunter College, AMS Special Session on Euler and related PDEs: geometric and harmonic methods, NYC, NY, May 2017,
*TBA.* - Department of Mathematics and Statistics, Williams College, Faculty Seminar, Williamstown, MA, December 2016,
*On a proposed higher-dimensional analogue of the Camassa-Holm equation*. - Department of Mathematics and statistics, Williams College, SMALL REU Colloquium, Williamstown, MA, August 2016,
*Suppression of singularities in fluids*. - Department of Mathematics and statistics, Williams College, Faculty Seminar, Williamstown, MA, October 2015,
*The 3d axisymmetric Euler equations*. - Department of Mathematics, University of Colorado at Boulder, Seminar on Analysis and Geometry, Boulder, CO, April 2015,
*Local-in-space models for**axisymmetric 3D Euler fl**ow*. - Department of Mathematics, University of Colorado at Boulder, Navier-Stokes/Euler Seminar, Boulder, CO, March-April 2015,
*The Constantin-Fefferman-**Majda regularity criterion for 3D Euler*. - Department of Mathematics, The University of Toledo, Colloquium, Toledo, OH, February 2015,
*A solvable 1D fluid**model with singularities*(invited speaker). - Department of Mathematics, Carleton College, Colloquium, Northfield, MN, February 2015,
*How can water blowup, mathematically*? (invited speaker). - University of North Carolina at Greensboro, Southeastern AMS Meeting, special session on PDE related to fluids, Greensboro, NC, November 2014,
*Remarks**on a local-in-space formulation of axisymmetric ideal fl**uids*(invited speaker). - NSF-CBMS Regional Research Conference in the Mathematical Sciences: Problems of PDEs Related to Fluids, Oklahoma State University, Stillwater, OK, July 2014,
*On a proposed higher-dimensional analogue of the Camassa-Holm equation*(invited speaker). - Department of Mathematics, University of Colorado at Boulder, Seminar on Analysis and Geometry, Boulder, CO, February 2014,
*On the Constantin-Lax-**Majda equation and other 1D models for 3D vorticity*. - SIAM Conference on Analysis of Partial Differential Equations (session chair), Lake Buena Vista, FL, December 7-10 2013,
*Breakdown of solutions**to the generalized two-component Hunter-Saxton system*. - Department of Mathematics, University of Colorado at Boulder, Seminar on Analysis and Geometry, Boulder, CO, September 2013,
*A generalized sign-changing**Liouville equation*. - Department of Mathematics, University of New Orleans, Colloquium, New Orleans, LA, April 2013,
*Global existence of solutions to the generalized Hunter-**Saxton system*. - Department of Mathematics, University of Colorado at Boulder, Kempner Colloquium, Boulder, CO, March 2013,
*Regularity of solutions to a simple generalized**model of fl**uid dynamics*(invited speaker). - Department of Mathematics, Centenary College of Louisiana, Colloquium, Shreveport, LA, February 2013,
*Exact solutions to a differential equation of fl**uid**dynamics*(invited speaker). - University of West Florida, 2012 Florida Chapter Local MAA Meeting, Pensacola, FL, November 16-17, 2012,
*Blow-up of Special Solutions to 2D Euler:**Periodic vs Dirichlet Boundary Conditions*. - Department of Mathematics, Loyola University, Colloquium, New Orleans, LA, November 14, 2012,
*Singularities in fl**uids*(invited speaker). - Department of Mathematics, Texas A&M University, 35th annual Texas PDE conference, College Station, TX, March 3-4, 2012,
*Blow-up of solutions to the**generalized inviscid Proudman-Johnson equation*.

**Workshop, Research Program Participation:**

- Williams College,
*SMALL REU, Faculty Advisor for the Differential Equations Group*, organized by S. J. Miller and C. Silva, Williamstown, MA, USA, June 6-August 13, 2016. - Mathematical Research Communities,
*Regularity Problems for Nonlinear Partial Differential**Equations Modeling Fluids and Complex Fluids*, organized by P. Constantin, G. Iyer, I. Kukavica, H. Lopes, and J. Wu, Snowbird, UT, USA, June-July 2013. - Centre de Recherches Mathematiques,
*Workshop on Geometry and Dynamics of Fluid*, organized by S. Kuksin, S. C. Preston, and A. Shnirelman, Montreal, Canada, May 21-25, 2012. - Pennsylvania State University,
*Penn State-Gottingen Research Program*, organized by J. Gil, T. Krainer, V. Nistor, and I. Witt, State College, PA, USA, July-August, 2010.