Hiroshi Haruki
Hiroshi Haruki (春木 博, Haruki Hiroshi, died September 13, 1997) was a Japanese mathematician. A world-renowned expert in functional equations, he is best known for discovering "Haruki's theorem" and "Haruki's Lemma" in plane geometry.
Some of his published work, such as: "On a Characteristic Property of Confocal Conic Sections" [1] is available (open source) on Project Euclid.
Haruki earned his MSc and PhD from Osaka University and taught there. He was a professor at the University of Waterloo in Canada from 1966 till his retirement in 1986. He was a founding member of the university's computer science department (1967).
References
- Haruki, Hiroshi (1963). "On a characteristic property of confocal conic sections". Proceedings of the Japan Academy, Series A, Mathematical Sciences. 39 (8). doi:10.3792/pja/1195522957.
- News release, Department of Computer Science, University of Waterloo.
External links
- Haruki's theorem on MathWorld
- Hiroshi Haruki's Lemma (Interactive Mathematics Miscellany and Puzzles)
- Hiroshi Haruki's Theorem (Interactive Mathematics Miscellany and Puzzles)
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