Department of Complex Analysis and Potential Theory

Bogdan Klishchuk

Ph.D. in Mathematics

Research Fellow, Institute of Mathematics
of the National Academy of Sciences of Ukraine

  • 2018 - now - Research Fellow, Institute of Mathematics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine.
  • 2014 - 2017 - Junior Research Fellow, Institute of Mathematics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine.
  • 2010 - 2013 - Postgraduate student, Institute of Mathematics of the National Academy of Sciences of Ukraine, Kyiv, Ukraine.
  • Complex analysis
  • Hypercomplex analysis
  • Theory of mappings
  • 2010 - 2014 - Degree of Candidate of Physical and Mathematical Sciences, Institute of Mathematics of National Academy of Sciences of Ukraine, Kyiv, Ukraine.
  • 2009 - 2010 - Master's degree in Mathematics, Lesya Ukrainka Volyn National University, Lutsk, Ukraine.
  • 2005 - 2009 - Bachelor's degree in Mathematics, Lesya Ukrainka Volyn National University, Lutsk, Ukraine.
  • 2018 - Grant of the President of Ukraine to support scientific research of young scientists, 2018.
  • 2017 - Scholarship of the Ukrainian National Academy of Sciences for young scientists, 2017-2019.
  • 2016 - Award of the Verkhovna Rada of Ukraine to the Most Talented Young Researchers in the field of fundamental and applied researches and scientific-technical developments, 2016.
  • 2019 - Klishchuk B., Salimov R., Lower bounds for the volume of the image of a ball, Ukr. Math. Jornal. - 2019. - Vol. 71, No. 6. - P. 774-785.
  • 2019 - Klishchuk B., Salimov R., Stefanchuk M., Asymptotic behavior of solutions to a nonlinear Beltrami equation, Reports of the NAS of Ukraine. – 2019. – No. 2. – P. 17–22.
  • 2018 - Salimov R., Klishchuk B., An extremal problem for the volume functional, Matematychni Studii. – 2018. – Vol. 50, No.1. – P. 36 – 43.
  • 2018 - R. Salimov, B. Klishchuk., Extremal problem for the area of the image of a disk, Journal of Mathematical Sciences. – 2018. – Vol. 234, No. 3. – P. 373 – 380.
  • 2018 - Iryna V. Denega, Bogdan A. Klishchuk., To the problem of extremal partition of the complex plane, Journal of Mathematical Sciences. – 2018. – Vol. 234, No.1. – P. 472 – 480.
  • 2018 - Klishchuk B., Weakly m-convex sets and the shadow problem, Bulletin de la societé des sciences et des lettres de Lódź. Recherches sur les d eformations, 2018, vol. LXVIII, no. 2, P. 53 - 60.
  • 2017 - H.K. Dakhil, Yu.B. Zelinskii, B.A. Klishchuk, On weakly m-convex sets , Reports of the NAS of Ukraine. - 2017. - No. 4. - P. 3 – 6.
  • 2016 - R. Salimov, B. Klishchuk, The extremal problem for the area of an image of a disc, Reports of the NAS of Ukraine. - 2016. - No. 10. - P. 22 – 27.
  • 2014 - Zelinskii Yu.B., Klishchuk B.A., Tkachuk M.V. , Theorems on inclusion for multivalued mappings , Ukr. Math. Journal. - 2014. - Vol. 66, No. 7. - P. 1122 – 1125.
  • 2013 - Yu.B. Zelinskii, M.V. Tkachuk, B.A. Klishchuk, Integral geometry and Mizel’s problem , Bulletin de la societé des sciences et des lettres de Lódź. Recherches sur les d eformations, 2013, vol. LXIII, no. 1, P. 23 - 31.
  • 2017 - V. Bilet, B. Klishchuk, R. Salimov, The estimation of the area of a disk image for Sobolev classes , Zb. Pr. Inst. Mat. NAN Ukr., 14(1), 2017, P. 39-46. (Russian. English summary), Institute of Mathematics of NAS of Ukraine, Kyiv, Ukraine, 2015
  • 2013 - Zelinskii Yu.B., Klishchuk B.A., Tkachuk M.V., On mappings preserving affinity, Zb. Pr. Inst. Mat. NAN Ukr., 10(4-5), 2013, P. 466-471. (Russian. English summary), Institute of Mathematics of NAS of Ukraine, Kyiv, Ukraine, 2013
  • 2013 - Klishchuk B., On mappings which preserve hypercomplex convexity, Zb. Pr. Inst. Mat. NAN Ukr., 10(1), 2013, P. 133-139. (Russian. English summary), Institute of Mathematics of NAS of Ukraine, Kyiv, Ukraine, 2013
  • 2012 - Zelinskii Yu.B., Klishchuk B.A., Tkachuk M.V., Theorems on a fixed point for multivalued mappings, Zb. Pr. Inst. Mat. NAN Ukr., 9(2), 2012, P. 175-179. (Russian. English summary), Institute of Mathematics of NAS of Ukraine, Kyiv, Ukraine, 2012
  • 2019 - Lower bounds for the volume of the image of a ball, 12th ISAAC Congress, Aveiro (Portugal), July 29 – August 2, 2019.
  • 2019 - An extremal problem for the volume of the image of a ball, Hypercomplex Seminar 2019: (Hyper)Complex Analysis in Differential Equations, Geometry and Physical Applications (including (de)composition problems of binary up to senary structures in alloy and polymer physics), Mathematical Conference Center at Bedlewo (Poland), July 07 – July 14.
  • 2019 - Logarithmic asymptotics of solutions of nonlinear Beltrami equations, International Conference of Young Mathematicians, June 6–8, 2019, Kyiv, Ukraine.
  • 2018 - On the shadow problem, 4th AMMODIT Conference, Malekhiv (Lviv region), Ukraine, March 19 – 23, 2018.
  • 2018 - Lower bounds for the area of the image of a disc, Hypercomplex Seminar 2018: (Hyper)Complex Analysis in Differential Equations, Geometry and Physical Applications, Mathematical Conference Center at Bedlewo (Poland).
  • 2018 - The shadow problem at a fixed point, International Conference «Harmonic analysis and approximations», VII. Tsaghkadzor (Armenia) September 16 – 22, 2018.
  • 2018 - Lower bounds for the volume of the image of a ball, International scientific conference "Algebraic and geometric methods of analysis", May 30 – June 4, 2018, Odessa, Ukraine.
  • 2017 - The shadow problem and its generalization, Hypercomplex Seminar 2017: (Hyper)Complex and Harmonic Dynamical Modelling: Topology in Physics of Dynamical Systems and Molecular Nanoengines (30 years of the direct cooperation agreement Łódź [University and Łódź Society of Sciences and Arts] – Kyiv [National Academy of Sciences of Ukraine]), Mathematical Conference Center at Będlewo (Poland), July 22 - July 29.
  • 2017 - On extremal problem for area functional, International Conference of Young Mathematicians dedicated to the 100th Anniversary of Academician of National Academy of Sciences of Ukraine, Professor Yu. O. Mitropolskiy, June 7–10, 2017, Kyiv, Ukraine.
  • 2016 - Some properties of multivalued mappings in Euclidean spaces, Hypercomplex Seminar 2016: (Hyper)Complex and Harmonic Dynamical Modelling vs. Special Ternary or Quaternary Nanostructures and Related Problems (30 years of the direct cooperation agreement Lodz – Paris VI), Mathematical Conference Center at Bedlewo (Poland), June 30 – July 7.
  • 2016 - Theorems about includings for multivalued mappings, International conference “Geometry and topology in Odesa – 2016”, 2016, Odesa, Ukraine.
  • 2016 - Mappings preserving affinity, International Conference “Complex analysis and related topics”, May 30 - June 4, 2016, Lviv, Ukraine.
  • 2015 - Mizel-Zamfirescu characterization of a circle, Conference: (Hyper)Complex and Dynamical Processes, Modelling and Simulations, Mathematical Conference Center at Bedlewo (Poland), July 2 – July 9.
  • 2015 - Hypercomplex semi-affinity of mappings strictly invariant on some sets, International Conference of Young mathematicians, June 3-6, 2015, Kyiv, Ukraine.
  • 2014 - Hypercomplex convexity in n-dimensional hypercomplex space, International Conference "Differential equations, computational mathematics, theory of functions and mathematical methods of mechanics", April 23-24, 2014, Kyiv, Ukraine.
  • 2013 - Theorems on a fixed point for multivalued mappings, "Potential Theory and Applications", August 19-23, 2013, Kyiv, Ukraine.
  • 2013 - Some questions related to Mizel’s problem, ISAAC 2013, 9th International Society for Analysis, its Applications and Computation Congress, August 5-9, 2013, Krakow, Poland.
  • 2013 - Some properties of multivalued mappings in Euclidean space, Crimea International Mathematical Conference, September 22 - October 4, 2013, Sudak, Ukraine.
  • 2012 - Mizel’s problem with infinitesimal rectangular property, International Conference dedicated to 120-th anniversary of Stefan Banach, September 17-21, 2012, Lviv, Ukraine.
  • 2019 - 12th ISAAC Congress, Aveiro (Portugal), July 29 – August 2, 2019.
  • 2019 - Hypercomplex Seminar 2019: (Hyper)Complex Analysis in Differential Equations, Geometry and Physical Applications, Mathematical Conference Center at Bedlewo (Poland), July 07 – July 14.
  • 2019 - International Conference of Young Mathematicians, June 6–8, 2019, Kyiv, Ukraine.
  • 2018 - International Conference «Harmonic analysis and approximations», VII. Tsaghkadzor (Armenia) September 16 – 22, 2018..
  • 2018 - Hypercomplex Seminar 2018: (Hyper)Complex Analysis in Differential Equations, Geometry and Physical Applications,, Mathematical Conference Center at Bedlewo (Poland).
  • 2018 - 4th AMMODIT Conference, Malekhiv (Lviv region), Ukraine, March 19 – 23, 2018.
  • 2018 - International scientific conference "Algebraic and geometric methods of analysis", May 30 – June 4, 2018, Odessa, Ukraine.
  • 2017 - Hypercomplex Seminar 2017: (Hyper)Complex and Harmonic Dynamical Modelling: Topology in Physics of Dynamical Systems and Molecular Nanoengines, Mathematical Conference Center at Będlewo (Poland), July 22 - July 29.
  • 2017 - International Conference of Young Mathematicians dedicated to the 100th Anniversary of Academician of National Academy of Sciences of Ukraine, Professor Yu. O. Mitropolskiy, June 7–10, 2017, Kyiv, Ukraine.
  • 2016 - Hypercomplex Seminar 2016: (Hyper)Complex and Harmonic Dynamical Modelling vs. Special Ternary or Quaternary Nanostructures and Related Problems, Mathematical Conference Center at Bedlewo (Poland), June 30 – July 7.
  • 2016 - International conference “Geometry and topology in Odesa – 2016” , 2016, Odesa, Ukraine.
  • 2016 - International Conference “Complex analysis and related topics” , May 30 - June 4, 2016, Lviv, Ukraine.
  • 2015 - International conference of young mathematicians, June 3-6, 2015, Kyiv: Institute of Mathematics of NAS of Ukraine.
  • 2015 - Hypercomplex Seminar 2015, (Hyper)Complex and Dynamical Processes, Modelling and Simulations (30 years of the direct cooperation agreement Lodz - Roma), July 2-9, 2015, Bedlewo, Poland.
  • 2014 - International Conference "Differential equations, computational mathematics, theory of functions and mathematical methods of mechanics", April 23-24, 2014, Kyiv, Ukraine.
  • 2013 - International Conference "Complex Analysis, Potential Theory and Applications", August 19-23, 2013, Kyiv, Ukraine.
  • 2013 - ISAAC 2013, 9th International Society for Analysis, its Applications and Computation Congress, August 5-9, 2013, Krakow, Poland.
  • 2013 - Crimea International Mathematical Conference , September 22 - October 4, 2013, Sudak, Ukraine.
  • 2012 - International Conference dedicated to the 120-th anniversary of Stefan Banach , September 17-21, 2012, Lviv, Ukraine.
  • 2019 - Program and Organizing Committee, International Conference of Young Mathematicians, June 6–8, 2019, Institute of Mathematics of NAS of Ukraine, Kyiv, Ukraine.
  • 2017 - Program and Organizing Committee, International Conference of Young Mathematicians dedicated to the 100th Anniversary of Academician of National Academy of Sciences of Ukraine, Professor Yu. O. Mitropolskiy, June 7–10, 2017, Institute of Mathematics of NAS of Ukraine, Kyiv, Ukraine.
  • Ukrainian - native language
  • Russian - near native language
  • English - fluent
  • Polish - fluent