Presentations

Plenary lectures, colloquia, seminars, conferences, workshops, and schools.

2026:

85

07/2026

International Congress of Mathematicians (ICM) 2026, Philadelphia, USA

84

07/2026

SIAM Annual Meeting 2026, July 6 – 10, Cleveland, Ohio,USA

Invited Presentation: Two-derivative exponential Runge-Kutta methods

83

06/2026

Minisymposium, SciCADE 2026, June 29-July 3, Edinburgh, UK

Invited Presentation: Three New Classes of Exponential Integrators for Stiff and Highly Oscillatory Systems

82

06/2026

North American High Order Methods Conference, June 1–3, 2026, Santa Fe, NM

Presentation: Exponential Nyström integrators

81

04/2026

Midwest Numerical Analysis Day 2026, University of Norte Dame, IN, USA

80

01/2026

Joint Mathematics Meetings 2026, Washington, DC, USA

2025:

79

11/2025

Applied Math Seminar, University of North Texas, Denton, TX, USA

Invited Presentation: Recent advancements in exponential integrators for multiple time scale problems

78

07/2025

Public Lecture, VIASM Summer School for Math Teachers and Gifted Students, Bac Ninh High School for the Gifted, July 21, Bac Ninh, Vietnam

Invited Presentation: Approximate Mathematics: When the world is not perfect

77

06/2025

Workshop on Advanced Numerical Methods for Deterministic and Stochastic DEs, June 13-14, VIASM, Hanoi, Vietnam

Invited Presentation: Innovative integrators for stiff and highly oscillatory problems

76

06/2025

Lecturer, Summer School on Advanced Numerical Methods for Deterministic and Stochastic DEs, Vietnam Institute for Advanced Study in Mathematics (VIASM), June 9-12, Hanoi, Vietnam

Invited Presentation: Introduction to numerical methods for DEs; Exponential Integrators

75

05/2025

Plenary Speaker, Faculty Scientific Conference of the Department of Mathematics and Informatics, Hanoi National University of Education, Hanoi, Vietnam

Invited Presentation: New Advanced Time Integration Methods for Multiphysics Problems and Applications

74

05/2025

NSF CompMath Meeting , University of Utah, Salt Lake City, UT, USA.

Presentation: Innovative time integrators for stiff and highly oscillatory problems

2024:

73

12/2024

SIAM DC-MD-VA Fall meeting, George Mason University, Arlington, VA, USA

72

11/2024

Analysis Seminar, Department of Mathematics and Statistics, Texas Tech, Lubbock, TX, USA

Invited Presentation: A new class of exponential methods for stiff PDEs

71

09/2024

Colloquium , Department of Mathematics, University of Innsbruck, Innsbruck, Austria

Invited Presentation: Recent advancements in exponential integrators for multiple time scale problems

70

09/2024

Plenary Speaker, Conference on Numerical Solution of Differential and Differential-Algebraic Equations

(NUMDIFF-17), September, 9-13, 2024, Halle, Germany

Invited Presentation: Advanced Exponential and Multirate Integrators for Multiple Time Scale Problems

69

07/2024

NSF CompMath PI , University of Washington, Seattle, UW, USA.

Presentation: A new class of exponential integrators for stiff PDEs

68

06/2024

Minisymposium, Canadian Applied and Industrial Mathematics Society Annual Meeting

June 24-27, 2024, Kingston, ON, Canada

Invited Presentation: A new class of exponential methods for stiff systems

67

03/2024

Special session, AMS Spring Southeastern Sectional Meeting, FSU, Tallahassee, FL, USA

Invited Presentation: Two-derivative exponential Runge-Kutta methods

66

01/2024

Colloquium , Department of Mathematics and Statistics, Texas Tech, Lubbock, TX, USA

Presentation: New advanced time integration methods for multiphysics problems and applications

2023:

65

11/2023

The41st SEARCDE, FAMU, Tallahassee, FL, USA

Invited Presentation: Adaptive time-stepping exponential Runge-Kutta methods for stiff PDEs

64

10/2023

Colloquium , Department of Mathematics, New Jersey Institute of Technology, Newark, NJ

Invited Presentation: Advanced time integrators for multiphysics problems and applications

63

10/2023

Special session, AMS Fall Southeastern Sectional Meeting, Mobile, AL, USA

Invited Presentation: Adaptive exponential Runge-Kutta methods for stiff PDEs

62

08/2023

Minisymposium, ICIAM 2023, Tokyo, Japan

Invited Presentation: Adaptive parallel stages exponential Runge-Kutta methods for stiff PDEs

61

08/2023

The10th Vietnam Mathematical Congress, Da Nang, Vietnam

( Keynote talk ) in the session Numerical Analysis and Applied Mathematics:

Invited Presentation: Advanced time integration methods for multiphysics problems and applications

60

07/2023

Workshop on Mathematical Biology, Vietnam Institute for Advanced study in Mathematics (VIASM)

Invited Presentation: Efficient exponential methods for genetic regulatory systems

59

03/2023

PDE/Applied Math Seminar , Department of Mathematics, Indiana University, Bloomington, IN, USA

Invited Presentation: Efficient exponential integrators for multiphysics problems and applications

58

03/2023

Minisymposium, SIAM Southeastern Atlantic Section (45th), Virginia Tech, Blacksburg, VA, USA

Invited Presentation: High-order multirate infinitesimal step-type methods

57

02/2023

Auckland Numerical ODEs (ANODE 2023), Auckland, New Zealand

(In honor of Prof. John Butcher on the occasion of his 90th birthday)

Invited Presentation: Exponential B-series and construction of 6th-order parallel exponential Runge–Kutta methods

2022:

56

11/2022

SIAM Washington-Baltimore Section Fall Meeting, Virginia Tech Research Center, Arlington, VA, USA

55

10/2022

Colloquium, School of Mathematics & Natural Sciences, University of Southern Mississippi, Hattiesburg, MS

Invited Presentation: Efficient time integration methods for multiphysics problems and applications

54

08/2022

Minisymposium, International Conference on Differential Equations and Applications, Hanoi, Vietnam

(hybrid format; In honor of Prof. Dinh Nho Hao on the occasion of his 60th birthday)

Invited Presentation: Multirate exponential Rosenbrock methods

53

08/2022

PinT Summer School at Michigan Tech, Houghton, MI, USA

52

07/2022

Minisymposium, SciCADE 2022, Reykjavík, Iceland

Invited Presentation: High-order efficient multirate infinitesimal step-type methods

(Substituted by my co-author Daniel. R. Reynolds since I could not travel in the end).

51

05/2022

Midwest Numerical Analysis Day 2022, University of Michigan, Ann Arbor, MI, USA

Presentation: High-order efficient multirate infinitesimal step-type methods

50

01/2022

Holistic Design of Time-Dependent PDE Discretizations, ICERM, Brown Uni., Providence, RI, USA

Lightning talk: Exponentially fitted two-derivative DIRK methods for oscillatory DEs

49

01/2022

Public lecture, Math Honors Program, VNU University of Science, Hanoi, Vietnam

Invited Presentation: An introduction to numerical methods for time-dependent problems

2021:

48

10/2021

Conference on Contemporary Issues in Mathematics and Applications (hybrid format)

Vietnam Institute Advanced for Mathematics (VIASM) and VNU University of Science, Hanoi, Vietnam

Keynote talk (Virtually): Efficient time integrators for multiphysics systems and applications

47

10/2021

Math Seminar, Department of Mathematics and Statistics, Mississippi State University (MSU), MS, USA

Presentation: An introduction to numerical approximation of differential equations

46

09/2021

Minisymposium, SIAM Southeastern Atlantic Section (44th Annual Meeting), Auburn, AL, USA

Invited Presentation: Exponential integrators for meteorological equations

45

08/2021

PinT 2021, 10th Workshop on Parallel-in-Time Integration (virtually), Houghton, MI, USA

Invited Presentation: Parallel exponential Runge–Kutta methods

44

07/2021

Colloquium, Department of Mathematics, KTH Royal Institute of Technology, Stockholm, Sweden

Invited Presentation: Numerical approximation of IVPs for differential equations

43

07/2021

SIAM Annual Meeting 2021 (AN21) (virtually), USA.

42

03/2021

Minisymposium, SIAM Conference on Computational Science and Engineering (CSE21) (virtually)

Invited Presentation: Multirate exponential Rosenbrock methods

2020:

41

07/2020

The Second Joint SIAM/CAIMS Annual Meeting (AN20), originally scheduled in Toronto, Canada but be now offered virtually.

40

02/2020

Applied Math Seminar, Department of Mathematics, University of Alabama (UA), Tuscaloosa, AL

Invited Presentation: Exponential Integrators for large systems of stiff PDEs

2019:

39

09/2019

Minisymposium, SIAM Southeastern Atlantic Section (43rd Annual Meeting), Knoxville, TN, USA.

Invited Presentation: New class of high-order methods for multi-rate differential equations.

38

07/2019

Minisymposium, SciCADE 2019, Innsbruck, Austria.

Invited Presentation: A new class of high-order methods for multirate differential equations

37

04/2019

Applied Math Seminar, Department of Mathematics, University of South Carolina (USC), SC, USA
Invited Presentation : Efficient exponential integrators for large-scale stiff systems and applications

36

04/2019

Colloquium, Department of Mathematics and Statistics, Mississippi State University, USA
Invited Presentation: Advanced time integrations methods for large stiff systems of nonlinear PDEs

35

02/2019

Minisymposium, SIAM CSE19, Spokane, Washington, WA

Invited Presentation: Derivation of new class of multirate integrators for multiphysics problems.

34

02/2019

Colloquium, Department of Mathematics, University of Florida, USA
Invited Presentation: Advanced time integrations methods for large stiff systems of nonlinear PDEs

33

01/2019

Joint Mathematics Meetings (JMM), January 16-19, 2019, Baltimore, MD

Presentation: Exponential integrators for stiff PDEs and their application to atmospheric models

2018:

32

11/2018

Applied Math Seminar, Department of Mathematics and Statistics, Auburn University, AL, USA

Invited Presentation: Recent developments of exponential integrators and their applications.

31

09/2018

Minisymposium, SIAM Conference on Mathematics of Planet Earth (MPE18), Philadelphia, PA, USA

Invited Presentation: Exponential integrators for the shallow water equations on the sphere.

2017:

30

10/2017

Colloquium, Department of Mathematics, SMU, Dallas, TX, USA
Invited Presentation: Constructing efficient exponential integrators for large stiff systems.

29

09/2017

Minisymposium, SciCADE 2017, Bath, UK.

Invited Presentation: Efficient exponential Rosenbrock methods and their applications to elastodynamics problems.

28

03/2017

Applied Math Seminar, University of California, Merced, CA, USA

Invited Presentation: Efficient exponential time integration for stiff PDEs: Construction and Applications .

27

03/2017

Minisymposium, SIAM CSE17, Atlanta, GA, USA

Invited Presentation: New approach to simulation of elastodynamics systems.

2016:

26

07/2016

SIAM Annual Meeting 2016, Boston, MA

Presentation: Preconditioned implicit-exponential integrators (IMEXP) for stiff differential equations

2015:

25

09/2015

Minisymposium, NUMDIFF-14, Halle, Germany

Invited Presentation: Parallel exponential Rosenbrock methods.

24

08/2015

Minisymposium, ICIAM 2015, Beijing, China

Invited Presentation: New preconditioned exponential time integrators for stiff differential equations

2014:

23

05/2014

Computational Mathematics Seminar, Hanoi University of Sciences (HUS), Vietnam

Invited Presentation: High-order exponential integrators for stiff problems

2013:

22

11/2013

Applied Mathematics and Computational Science (AMCS) Seminar , KAUST, Thuwal, Saudi Arabia

Invited Presentation: High-order exponential integrators for semilinear stiff problems .

21

09/2013

Minisymposium, SciCADE 2013, Valladolid

Invited Presentation: Exponential B-series : The stiff case.

20

09/2013

18th ÖMG Congress and Annual DMV Meeting, Innsbruck, Austria

19

06/2013

Geometric Integration of Ordinary and Partial Differential Equations, Dobbiaco, Italy

18

05/2013

Workshop on Dynamical Networks, Numerical Analysis and Ergodic Theory, Budapest, Hungary

Invited Presentation: Exponential B-series.

17

03/2013

DK+ Computational Interdisciplinary Modelling (Winter school), Obergurgl, Austria

16

02/2013

Workshop of Numerical Analysis group at KIT, Bad Herrenalb, Germany

Invited Presentation: Exponential B-series

2012:

15

09/2012

Minisymposium, NUMDIFF-13, Halle, Germany

Invited Presentation: Stiff order conditions for high-order exponential integrators.

14

06/2012

Exponential Integrators and Numerical Methods for Multiscale PDEs, Dobbiaco/Toblach, Italy

13

05/2012

Workshop on Innovative Time Integration, Innsbruck, Austria

Invited Presentation: Higher-order exponential Rosenbrock-type methods

12

05/2012

PhD seminar in Mathematics, University of Innsbruck, Austria

Presentation: Higher-order exponential Rosenbrock-type methods

11

03/2012

Minisymposium , 5th International Conference on High Performance Scientific Computing, Hanoi, Vietnam

Invited Presentation: Higher-order exponential Rosenbrock-type methods.

10

01/2012

DK+ Computational Interdisciplinary Modelling (Winter school), Obergurgl, Austria

2011:

9

09/2011

Kompaktseminar, Obergurgl, Austria

8

06/2011

Approximation Theory, Spectral Methods and chebfun, Dobbiaco, Italy

7

05/2011

7th Austrian Numerical Analysis Day, Klagenfurt, Austria

6

01/2011

Numerical Analysis Seminar, Department of Mathematics, University of Innsbruck, Austria

Presentation: Some methods of unitary integration and applications

2010:

5

10/2010

International workshop on Innovative Integrators, Innsbruck, Austria

2009:

4

10/2009

2th International workshop on differential and difference equations: Theory, Numerics and Applications, Hanoi and Halong, Vietnam.

3

08/2009

12th National Conference on Information Technology, Dong Nai, Vietnam

Presentation: Iterative method for solving a nonlinear fourth-order BVP

2

03/2009

4th International Conference on High Performance Scientific Computing, Hanoi, Vietnam

2008:

1

06/2008

11th National Conference on Selected Issues in Information and Communication Technology, Hue University, Vietnam