Talks

1. Rational dilation problems on some distinguished varieties , International Workshop on Operator Theory and its Applications (IWOTA) 2017. Technische Universitt Chemnitz, from August 14 to August 18, 2017.

2. A failure of rational dilation problem via test functions, Pure Mathematics Postgraduate Workshop, School of Mathematics, Statistics and Physics, Newcastle University, 9th of May 2017.

3. Rational dilation problems on some distinguished varieties, The Young Functional Analysts’ Workshop (YFAW) 2017 , University of Glasgow , 29th-31st March 2017.

4. Numerical range of some weighted shift matrices and operators, The 4th Joint British Mathematical Colloquium & British Applied Mathematics Colloquium, 30th March - 2nd April 2015, Cambridge.

5. Analysis on the numerical range of some weighted shift matrices and operators, School of Mathematics, Statistics and Physics, Newcastle University, Analysis Seminar: Tuesday 24 February, 2015.

6. (invited) On the numerical range of some weighted shift matrices, Hirosaki University, December, 2013.

7. On the numerical ranges of the weighted shift operators, 11th Workshop On The Numerical range and Numerical radii, Taiwan, July 2012.

8. An upper bound for the number of complete subgraphs in m-partite graphs, National of University of Mongolia, Mongolia, April 2010.