[Presentations and Posters]

#### 2019:

*Explicit divergence-free discontinuous Galerkin methods for incompressible flow*

Structure Preserving Discretizations: FEMs, Splines, and IGA. Pittsburgh, Pennsylvania.

(Invited talk, May 2019)

*Discontinuous Galerkin methods for waves and fluid flow*

Special Colloquium, Purdue University. West Lafayette, Indiana.

(Colloquium talk, January 2019)

*An explicit divergence-free DG method for incompressible flow*

AMS Joint Mathematics Meetings 2019. Baltimore, Maryland.

(Minisymposium talk, January 2019)

*Discontinuous Galerkin methods for waves and fluid flow*

ACMS Colloquium, University of Notre Dame. South Bend, Indiana.

(Colloquium talk, January 2019)

#### 2018:

*Discontinuous Galerkin methods for waves and fluid flow*

Mathematics Colloquium, University of California San Diego. San Diego, California.

(Colloquium talk, December 2018)

*Discontinuous Galerkin methods for waves and fluid flow*

Applied Mathematics Seminar, University of Colorado at Boulder. Boulder, Colorado.

(Colloquium talk, November 2018)

*Divergence-free discontinuous Galerkin methods for incompressible flow*

The Finite Element Circus. Newark, Delaware.

(Contributed talk, November 2018)

*A new class of energy-conserving discontinuous Galerkin methods for waves equations*

AMS Fall Central Sectional Meeting 2018. Ann Arbor, Michigan.

(Minisymposium talk, October 2018)

*An explicit divergence-free DG method for incompressible flow*

Computational and Applied Math seminar, Tufts University. Medford, Massachusetts.

(Seminar talk, October 2018)

*Discrete de Rham complex on polygonal elements*

13th World Congress on Computational Mechanics. New York City, New York.

(Minisymposium talk, July 2018)

*Divergence-conforming HDG methods for the Brinkman equations*

Applied and Computational Mathematics Seminar, University of South Carolina. Columbia, South Carolina.

(Seminar talk, February 2018)

*Discontinuous Galerkin methods for solving partial differential equations *

Mathmatics Colloquium, Southern Methodist University. Dallas, Texas.

(Colloquium talk, February 2018)

*H(div)-conforming HDG methods for the Brinkman equations*

Numerical Analysis Seminar, Zhejiang University. Hangzhou, Zhejiang, China.

(Seminar talk, January 2018)

#### 2017:

*Discontinuous Galerkin methods for elliptic and hyperbolic equations*

East Lake International Forum for Outstanding Overseas Young Scholars, Huazhong University of Science and Technology. Wuhan, Hubei, China.

(Invited talk, December 2017)

*Discontinuous Galerkin methods for elliptic and hyperbolic equations*

2017-2018 Young Mathematician Forum, Fudan University. Shanghai, China.

(Invited talk, December 2017)

* Bernstein Bezier Basis for High Order Finite Elements on Tetrahedra and Hexahedra*

SIAM Conference on Analysis of Partial Differential Equations. Baltimore, Maryland.

(Minisymposium talk, December 2017)

* Discrete de Rham complex on polygonal elements*

The Finite Element Circus. Baltimore, Maryland.

(Contributed talk, October 2017)

*H(div)-conforming HDG methods for the Brinkman equations*

SIAM Central States Section 2017 Annual Meeting, Colorado State University. Denver, Colorado. (Minisymposium talk, September 2017)

*Superconvergent H(div)-conforming HDG methods for the Brinkman equations*

Computational Mathematics Seminar, University of Pittsburgh. Pittsburgh, Pennsylvania.

(Seminar talk, September 2017)

*A new troubled-cell indicator for discontinuous Galerkin methods for hyperbolic conservation laws.*

KAUST Research Conference on Predictive Complex Computational Fluid Dynamics. Thuwal, Saudi Arabia.

(Poster, May 2017)

*New Bernstein-Bezier bases for the finite element exact sequence on tetrahedra*

Numerical Analysis Seminar, University of Minnesota. Minneapolis, Minnesota.

(Seminar talk, May 2017)

*A lowest-order composite finite element exact sequence on pyramids*

The Finite Element Circus. New Brunswick, New Jersey.

(Contributed talk, April 2017)

*New Bernstein-Bezier bases for the finite element exact sequence on tetrahedra*

Numerical Analysis Seminar, Worcester Polytechnic Institute. Worcester, Massachusetts.

(Seminar talk, April 2017)

*New Bernstein-Bezier bases for the finite element exact sequence on tetrahedra*

Computational Science Seminar, University of Massachusetts Dartmouth. North Dartmouth, Massachusetts.

(Seminar talk, March 2017)

#### 2016:

*New Bernstein-Bezier bases for the finite element exact sequence on tetrahedra*

The Finite Element Circus. Worcester, Massachusetts.

(Contributed talk, October 2016)

*The HDG methods for diffusion problems*

2016 SIAM Annual Meeting. Boston, Massachusetts.

(Minisymposium talk, July 2016)

*The HDG methods for diffusion problems*

The Mathematics of Finite Elements and Applications 2016. Brunel University London, United Kindom.

(Minisymposium talk, June 2016)

*Devising efficient HDG methods for diffusion problems*

Mathematics and Computer Science seminar, Argonne National Laboratory. Argonne, Illinois.

(Seminar talk, January 2016)

#### 2015:

*HDG for diffusion: Superconvergence by M-decompositions*

The 8th International Congress on Industrial and Applied Mathematics. Beijing, China.

(Minisymposium talk, August 2015)

*HDG methods for diffusion: Superconvergence by M-decompositions*

The 1st Annual Meeting of SIAM Central States Section. Rolla, Missouri.

(Minisymposium talk, April 2015)

*Superconvergence of HDG methods for linear elasticity with strong symmetry*

SIAM CSE 2015. Salt Lake City, Utah.

(Minisymposium talk, March 2015)

#### 2014:

*Speeding up the mixed finite-element method for reservoir simulation*

The Finite Element Circus. Minneapolis, Minnesota.

(Contributed talk, October 2014)

*The staggered DG method for the Stokes flow is the limit of a hybridizable DG method*

ICOSAHOM 2014. Salt Lake City, Utah.

(Minisymposium talk, June 2014)

#### 2013:

*The staggered DG method is the limit of a hybridizable DG method*

12th U.S. National Congress on Computational Mechanics. Raleigh, North Carolina.

(Minisymposium talk, July 2013)