__Presentations
__** **

**1. ****International workshop on Algebraic Combinatorics,
(Bannai 70 Birthday), Anhui University, China, Oct, 2016.**

2.
**Eighth Discrete
Geometry and Algebraic Combinatorics Conference, University of Texas Rio Grande
Valley, May, 2016.**

3.
Seminar on Big data method in imaging,
University of Toronto, Toronto, Canada, Dec 2015.

4.
One day workshop on optimization,
National Taiwan Normal University, Taipei,

Taiwan, Oct 14, 2015.

5.
Seminar on Mathematics of Data, the Hong
Kong University of Science and Technology, Hong Kong, China, Oct 6 2015.

6.
Department of Mathematics Seminar,
University of Auckland, Auckland, New Zealand, Sep 9, 2015.

7.
Systems of Lines: Applications of
Algebraic Combinatorics, Worcester Polytechnic Institute, Worcester, MA, Aug
10, 2015.

8.
Seminar on Pure Mathematics, the Hong
Kong University of Science and Technology, Hong Kong, China, April 2015.

**9. ****Mini-workshop on spherical designs and Numerical
analysis, Shanghai Jiao Tong University, Shanghai, China, April 2015.**

**10. **** AMS sectional
meeting, Michigan State University, East Lasing, March 2015.**

**11. **** February
Fourier Talk, University of Maryland (poster), Feb 2015. **

**12. **** The 66 ^{th}
Midwest Theory Day, University of Michigan, Ann Arbor, Dec 2014.**

**13. **** Workshop on
“Sphere Packings, Lattices, and Designs”, Erwin Schrodinger International Institute
(ESI), Vienna Austria, Nov 2014.**

**14. **** Seminar,
University of Vienna, Vienna Austria Nov 2014.**

**15. **** Combinatorics
seminar, University of Wisconsin Madison, Sep 8 2014**

**16. **** IDeAS
seminar, Princeton University, Apr 9 2014.**

**17. **** Nobert Wiener
Center seminar, University of Maryland, Oct 2013.**

**18. **** Joint Math Meeting
(JMM), special session on discrete geometry and algebraic combinatorics, San Diego,
CA, Jan 2013. **

**19. **** Mini-workshop
on spherical design in Shanghai Jiao Tong University, China, Nov 2012.**

**20. **** Academic
seminar, Mathematics National Chung-Hsin University, Nov 2012. **

**21. **** CMMSC seminar,
Mathematics National Chiao-Tung University, Nov 2012. **

**22. **** Fourth
Discrete Geometry and Algebraic Combinatorics Conference Brownsville Texas April, 2012.**

**23. ****Seminar on Combinatorics, Mathematics Sinica, Feb
2012.**

**24. ****Control and Signal Processing Seminar, Electronic
and Computer Engineer Department University of Maryland, Oct 2011.**

**25. ****Nobert Wiener Center Seminar, University of
Maryland, Minimizing fusion frame potential, Nov 2010.**

**26. ****Colloquium, Department of Mathematics, National
Tsing-Hua University, Jan 2010. **

27. **Student analysis seminar in University of Maryland,
The difference between one and several complex analysis, April 2009.**