「名誉教授」のスレです
ここは名誉教授と呼ばれる人と 森羅万象（含む”数学”）を 語り合うスレです

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https://rio2016.5ch.io/test/read.cgi/math/1784358959/

(参考)
https://en.wikipedia.org/wiki/Ohsawa%E2%80%93Takegoshi_L2_extension_theorem
O –Takegoshi L2 extension theorem
One of the deepest result in complex analysis.[3]
Many generalizations and similar results exist, and are known as theorems of O –Takegoshi type.