Koichiro Harada
Encyclopedia
Koichiro Harada is a Japanese mathematician working on finite group theory, who proved the Gorenstein–Harada theorem
classifying finite simple groups of sectional 2-rank at most 4, and who discovered the Harada–Norton group.
Gorenstein–Harada theorem
In mathematical finite group theory, the Gorenstein–Harada theorem, proved by in a 464 page paper, classifies the simple finite groups of sectional 2-rank at most 4...
classifying finite simple groups of sectional 2-rank at most 4, and who discovered the Harada–Norton group.