# Anna . Vishnyakova

Professor of the department of pure mathematics, doctor of sciences in mathematics

**Education and Degrees**

M.Sc. in Math. (with Honours) – Kharkov State University, 1985.

Ph.D. in Math. – The Growth and Distribution of Zeros of Analytic Characteristic and Ridge Functions, Kharkov State University, 1993 (Supervisor – Prof. I.V.Ostrovskii, reviewers – Prof. V.S.Azarin and Prof. V.N.Logvinenko).

Doctor of Sci. in Math – Polynomials with Restrictions on the Location of Roots and the Limiting Classes of Entire Functions, 2019.

**Professional Career**

Assistant Professor – Kharkov State University, 1993.

Associate Professor – Kharkov National V.N. Karazin University, 1999.

Professor -- Kharkov National V.N. Karazin University, 2020.

**International Collaboration**

**Visiting Scientist**:

– Invited speaker in American Institute of Mathematics, Palo Alto, California, USA (2007);

– University of Ankara, Ankara, Turkey (2009);

– Stockholm University, Stockholm, Sweden (2010),

– Invited speaker in American Institute of Mathematics, Palo Alto, California, USA (2011);

– Stockholm University, Stockholm, Sweden (2012);

– University of Leipzig, Leipzig, Germany (2014);

– Shanghai Jiao Tong University, Shanghai, China (April-May 2015);

– Shanghai Jiao Tong University, Shanghai, China (July 2015);

– University of Leipzig, Leipzig, Germany (2018).

**Mathematical Conferences **(since 2000)

1. Computational Methods and Function Theory, International Conference, June 25-29, 2001, University of Aveiro, Portugal, 2001.

2. International Akhiezer Centenary Conference “Theory of Functions and Mathematical Phisics”, International Conference, August 13-17, 2001, Kharkiv, Ukraine.

3. Second International Conference “Mathematical Analysis and Economics”, International Conference, April 1-4, 2003, Sumy, Ukraine.

4. International conference dedicated to 125-th anniversary of Hans Hahn, International Conference, June 27 - July 3, 2004, Chernivtsi, Ukraine.

5. Computational Methods and Function Theory, International Conference, June 13-17, 2005, Joensuu, Finland.

6. Analysis and related topics, International Conference, November 17-20, 2005, Lviv, Ukraine.

7. Entire and Subharmonic Functions and Related Topics, International Conference dedicated to the centennial of B.Ya.Levin (1906-1993), International Conference, August 14-17, 2006, Kharkiv, Ukraine.

8. Analysis and Topology, International Conference, May 26-June 7, 2008, Lviv, Ukraine.

9. Conference on complex analysis dedicated to the memory of Anatolii Asirovich Goldberg (1930-2008), International Conference, May 31-June 5, 2010, Lviv, Ukraine.

10. IWOTA 2010, International Conference, July 12-16, 2010, Technische Universitat Berlin, Germany.

11. Complex analysis and its applications, dedicated to the 70th anniversary of A.F. Grishin, International Conference, August 15-18, 2011, Kharkov National University, Ukraine.

12. III International Conference ANALYSIS AND MATHEMATICAL PHYSICS, International Conference, June 15–19, 2015, B.Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, Kharkiv, Ukraine.

13. Complex Analysis and Related Topics, International Conference, May 30-June 4, 2016, Ivan Franko National University of Lviv, Lviv, Ukraine.

14. International Conference in Functional Analysis Dedicated to the 125th Anniversary of Stefan Banach, International Conference, September 18-23, 2017, Ivan Franko National University of Lviv, Lviv, Ukraine.

15. Hausdorff Geometry of Polynomials and Polynomial Sequences, International Conference, May 28 - June 1, 2018, Institut Mittag-Leffler, Sweeden.

16. VI International Conference ANALYSIS AND MATHEMATICAL PHYSICS dedicated to the centennial anniversary of the National Academy of Sciences of Ukraine and the 50th anniversary of the Department of Function Theory, International Conference, June 18–22, 2018, B.Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, Kharkiv, Ukraine.

17**. **Ukrainian Conference "Modern Problems of Probability Theory and Mathematical Analysis", Vorokhta, February 26 - March 01, 2020.

**Research interests**

Complex analysis; special classes of entire functions: growth estimates and distribution of zeros; polynomials: location of zeros; total and multiple positivity

My profile in Google scholar:

https://scholar.google.com.ua/citations?hl=ru&user...

My profile in Researchgate:

https://www.researchgate.net/profile/Anna_Vishnyak...

**Courses and seminars given within last 5 years**

Linear Algebra, General Algebra, Complex Analysis, Functional Analysis, Measure Theory, Meromorphic Functions, Constructive Function Theory, Distribution of Zeros of Polynomials