Olli Martio

Olli Tapani Martio is a Finnish mathematician and emeritus professor at the University of Helsinki. He obtained his PhD in 1967 and served as a professor at the University of Jyväskylä from 1980 and at the University of Helsinki from 1993 until his retirement in 2008. His research focuses on variational integrals and quasiregular mappings, and he is a member of the Finnish Academy of Science and Letters since 1974.