What key details about hans radstrom can be extracted from the following bio? Bio: hans vilhem radstrom -lrb- 1919 -- 1970 -rrb- was a swedish mathematician who worked on complex analysis , continuous groups , convex sets , set-valued analysis , and game theory . from 1952 , he was '' lektor '' -lrb- assistant professor -rrb- at stockholm university , and from 1969 , he was professor of applied mathematics at linkoping university .
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- doctoral students is per enflo , martin ribe- known for is radstrom cone of the lebesgue space of absolutely integrable functions ; isometric radstrom characterization of convex sets as generators of continuous semigroups embedding of subsets of convex subsets in the positive- fields is functional equations , set-valued analysis- influences is werner fenchel- death date is 1970- workplaces is institute university ; linkoping university for advanced studies , princeton university ; stockholm- doctoral advisor is torsten carleman , fritz carlson- birth date is 1919- name is hans radstrom- citizenship is sweden- alma mater is stockholm university