Jacob Yngvason

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Yngvason, Oberwolfach 2005

Jakob Yngvason (born November 23, 1945 in Reykjavík ) is an Icelandic-Austrian theoretical and mathematical physicist.

After graduating from high school in Reykjavík, Yngvason studied at the University of Göttingen in 1964 , where he obtained his physics diploma in 1969 and obtained his doctorate in 1973 under Hans-Jürgen Borchers . He then worked as a research assistant in Göttingen, where he completed his habilitation in 1979. From 1979 he was a senior research scientist at the Science Institute of the University of Iceland in Reykjavík and from 1985 professor for theoretical physics at this university. He became a full professor at the University of Vienna in 1996 and has retired there since October 2014. From 1998–2003 he was President and 2004–2011 Scientific Director of the Erwin Schrödinger Institute for Mathematical Physics in Vienna. Among other things, he was visiting scholar at Rutgers University , the Universities of Göttingen and Leipzig, IHES , Nordita , the Max Planck Institute for Physics in Munich and DESY .

Yngvason worked with Elliott Lieb on the mathematical fundamentals of thermodynamics (axiomatic entropy definition) and statistical mechanics (including the behavior of matter in extremely high magnetic fields such as inside pulsars in quantum statistics).

In 1993 he received the Olafur Danielsson Prize in Mathematics, in 2002 the Levi-Conant Prize of the American Mathematical Society (together with Elliott Lieb), and in 2004 the Erwin Schrödinger Prize of the Austrian Academy of Sciences . He was Vice President of the International Association of Mathematical Physics 2000–2005. In 1994 he gave a plenary lecture at the 13th International Congress for Mathematical Physics in Paris. He is a member of the Societas Scientiarum Islandica and a corresponding member of the Academy of Sciences in Göttingen and the Royal Danish Academy of Sciences .

Yngvason (left), Lieb, Seiringer (right) in Oberwolfach 2004

Robert Seiringer is one of his doctoral students .

He is married to Guðrún Kvaran, Professor of Lexicography at Reykjavík University.

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