A brief introduction to quantum groups
Pavel Etingof, Mykola Semenyakin
These are lecture notes of a mini-course given by the first author in Moscow
in July 2019, taken by the second author and then edited and expanded by the
first author. They were also a basis of the lectures given by the first author
at the CMSA Math Science Literature Lecture Series in May 2020. We attempt to
give a bird's-eye view of basic aspects of the theory of quantum groups.