Proceedings of the conference Contemporary Mathematics in Kielce 2020, February 24-27 2021

The organizers of the conference Contemporary Mathematics in Kielce 2020 warmly welcome all the mathematicians interested in that field to participate in our meeting. The conference is hosted by the Jan Kochanowski University in Kielce, Poland, and takes place in the period from February 24-27, 2021, and will be held ONLINE, on the MS Teams platform. Our conference is held under the patronage of the President of the Jan Kochanowski University in Kielce.