# Rimhak Ree

Rimhak Ree | |

Hangul | 이임학 |
---|---|

Hanja | 李林學 |

Revised Romanization | I Imhak |

McCune–Reischauer | Yi Imhak |

**Rimhak Ree** (also spelled **Im-hak Ree**; December 18, 1922 – January 9, 2005) was a Korean Canadian mathematician. He contributed in the field of group theory, most notably with the concept of the Ree group in (Ree 1960, 1961).

## Biography

Ree did his early education in Hamhung, South Hamgyong, in what is now North Korea; he attended the Hamhung #1 Public Ordinary School (함흥 제 1공립보통학교), and in 1934 entered the Hamhung Public High School (함흥공립고등보통학교).^{[1]} He went on to Keijō Imperial University, where he studied physics, graduating in 1944; he then went to Fengtian, Manchukuo (today Shenyang, Liaoning in the People's Republic of China) to work for an aircraft company. After the surrender of Japan and the end of Japanese rule in Korea, he returned to his home country and in 1947 took up a teaching position in the mathematics department at Seoul National University.

During the Korean War, he fled south to Busan, and in 1953 departed the country to pursue a Ph.D. degree at the University of British Columbia in Vancouver, Canada.^{[2]} He completed his dissertation under the title *Witt Algebras* in 1955. His thesis advisor was Stephen Arthur Jennings.

He died in Vancouver.

## Publications

- Ree, Rimhak (1960), "A family of simple groups associated with the simple Lie algebra of type (G
_{2})",*Bulletin of the American Mathematical Society*,**66**: 508–510, doi:10.1090/S0002-9904-1960-10523-X, ISSN 0002-9904, MR 0125155 - Ree, Rimhak (1961), "A family of simple groups associated with the simple Lie algebra of type (F
_{4})",*Bulletin of the American Mathematical Society*,**67**: 115–116, doi:10.1090/S0002-9904-1961-10527-2, ISSN 0002-9904, MR 0125155

## Notes

## References

- Carol Tretkoff; Marvin Tretkoff (January 1979), "On a theorem of Rimhak Ree about permutations",
*Journal of Combinatorial Theory, Series A*,**26**(1): 84–86, doi:10.1016/0097-3165(79)90056-6 - 주진순 [Ju Jin-sun] (March 2007), "세계적인 수학자 이임학 형을 그리워하며" (PDF),
*Newsletter of the Korean Mathematical Society*,**112**(1), pp. 2–4, retrieved 2010-10-08