A surprising bijection between permutations and polygons
Henning Arnór Úlfarsson draws complex math.
About the Lecture Marathon
The Lecture Marathon is an annual event and was held for the seventh time on the 21st of April 2015. Its purpose is to highlight the many interesting subject matters of researchers at the university.
The duration of each lecture is a maximum of seven minutes and many of the talks are given in English. An overview of the whole event with videos of each lecture can be found on RU's Icelandic site: http://www.ru.is/fyrirlestramarathon