What Greek mathematician who spend most of his professional life in Germany lends his name to the Vitali–Carathéodory theorem?
Vitali–Carathéodory theorem In mathematics, the Vitali–Carathéodory theorem is a result in real analysis that shows that, under the conditions stated below, integrable functions can be approximated in L from above and below by lower- and upper-semicontinuous functions, respectively. It is named after Giuseppe Vitali and Constantin Carathéodory.
Nicole El Karoui Nicole El Karoui is a French-Tunisian mathematician, and pioneer in the development of mathematical finance, born May 29, 1944, in Paris (maiden name "Nicole Schvartz"). She is considered to be one of the very active mathematicians that started heavily promoting financial mathematics in France and trained many engineers and scientists to this field.