Template:Selected anniversaries/June 24: Difference between revisions

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||2005: Günter Lumer dies ... was a mathematician known for his work in functional analysis. He is the namesake of the Lumer–Phillips theorem on semigroups of operators on Banach spaces, and was the first to study semi-inner-products.  Pic.
||2005: Günter Lumer dies ... was a mathematician known for his work in functional analysis. He is the namesake of the Lumer–Phillips theorem on semigroups of operators on Banach spaces, and was the first to study semi-inner-products.  Pic.


||2008: Gerhard Ringel dies ... mathematician and academic. Pic (surfing!).
File:Gerhard Ringel surfing.jpg|link=Gerhard Ringel (nonfiction)|2008: Mathematician and academic [[Gerhard Ringel (nonfiction)|Gerhard Ringel]] dies. Ringel was a pioneer of graph theory and contributed significantly to the proof of the Heawood conjecture (now the Ringel-Youngs theorem), a mathematical problem closely linked with the Four color theorem.


||2012: Gu Chaohao dies ... mathematician and academic.
||2012: Gu Chaohao dies ... mathematician and academic.

Revision as of 16:53, 24 June 2019