Articles of the participants of the IX International Conference "Computational and applied mathematics", dedicated to the 100th anniversary of Academician Ivan Ivanovych Lyashko, October 10-11, 2022, Kyiv.

The issue is dedicated to the 100th anniversary of the outstanding Ukrainian mathematician Ivan Lyashko.

Articles of the participants of the XX International Symposium "Discrete Singularities Methods in Mathematical Physics", DSMMPh–2021, June 21-26, 2021, Kharkiv - Kyiv. https://dsmmph.org.ua/