Freddy Delbaen

Freddy Delbaen (born 21 November 1946 in Duffel, Belgium) is a Belgian-Swiss mathematician. He is professor emeritus of financial mathematics at ETH Zurich.

Freddy Delbaen
Born (1946-11-21) 21 November 1946
Alma materVrije Universiteit Brussel
OccupationFinancial mathematician
Years active1970–present
EmployerETH Zurich

Delbaen made fundamental contributions to the mathematical theory of arbitrage including proving, together with Walter Schachermayer, a general version of the fundamental theorem of asset pricing. He also introduced in a jointly written paper the notion of the risk measure.

His research includes topics in financial mathematics, probability theory, functional analysis and actuarial mathematics.

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