Per Enflo
Swedish mathematician and concert pianist · United States · On the map · Academics · Lived 1944 to 2026 · aged 82
Per H. Enflo is a Swedish mathematician working primarily in functional analysis, a field in which he solved problems that had been considered fundamental.
Per Enflo is read about 32 times a day, in 9 languages.
A typical day, 30 days to 8 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 120 days, one point a day.
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Close ties
Media & music
Photos 4
In 1937, Polish mathematician Stanisław Mazur promised a "live goose" as the prize for solving problem 153 in the Scottish Book. In 1972, Mazur presented the goose to Per Enflo.
In 1972 Stanisław Mazur awarded Enflo the promised live goose for solving a problem in the Scottish book.![A concert pianist, Per Enflo debuted at the Stockholm Concert Hall in 1963.[36]](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Stockholm_Konserthuset_2002.jpg/500px-Stockholm_Konserthuset_2002.jpg)
A concert pianist, Per Enflo debuted at the Stockholm Concert Hall in 1963.[36]About this person
Three of these problems had been open for more than forty years:The basis problem and the approximation problem and later the invariant subspace problem for Banach spaces.
Country
United States
Category
Academics
Type
Academic
Status
Deceased
Dates
Lived 1944 to 2026 · aged 82
