Hoàng Tụy

Hoàng Tụy (7 December 1927 – 14 July 2019) was an prominent Vietnamese applied mathematician. He was considered one of two founders of the mathematical institutions of Vietnam; the other was Lê Văn Thiêm.

Hoàng Tụy
Born(1927-12-07)7 December 1927
Xuân Đài village, Điện Bàn
Died14 July 2019(2019-07-14) (aged 91)
Hanoi
NationalityVietnam
OccupationMathematician
Known forthe Tụy cut in global optimization
Academic background
Alma materMoscow State University
Doctoral advisorDmitrii Menshov
Georgiy Shilov
Academic work
InstitutionsHanoi Institute of Mathematics

Career

Hoàng Tụy's early career coincided with the French war (1946–1954), which interrupted his studies. In December 1946, after two months as a mathematics student at Hanoi University, he had to return to the south, because the French had invaded and seized Hanoi, and the University had closed. Hoàng Tụy taught secondary school in Quảng Ngãi province in the Fifth Liberated Zone from 1947 to 1951, during which time he wrote a geometry textbook that was published by the Việt Minh press -- perhaps the first time a guerrilla movement published a math book.[1]:17–18 In the early 1950s, Hoàng Tụy studied with Lê Văn Thiêm in the university that the Việt Minh had opened in a liberated zone in the far north near the Chinese border. In September 1957 he went to the Soviet Union, where he studied real analysis under the supervision of D. E. Menshov and G. E. Shilov.[1]:20–21 Hoàng Tụy received his PhD in mathematics from Moscow State University in 1959.

After returning to Vietnam from the Soviet Union, Hoàng Tụy changed his area of research from real analysis, which was too theoretical to be of immediate use in Vietnam, to operations research, a field of applied mathematics. It was Hoàng Tụy who first brought that field of research to Vietnam, and who invented the Vietnamese translation vận trù of "operations research."[1]:21–22,25–26 Since that time Hoàng Tụy has worked mainly in the field of global optimization, where he did pioneering work. He had a long career with the Institute of Mathematics of the Vietnamese Academy of Science and Technology, where he was director from 1980 to 1989.[2] He published more than 160 refereed journal and conference articles.

In 1997, a workshop in honor of Hoàng Tụy was organized at Linköping University, Sweden.

In December 2007, an international conference on Nonconvex Programming was held in Rouen, France, to pay tribute to him on the occasion of his 80th birthday, in recognition of his pioneering achievements which advanced the field of global optimization.[3]

In September 2011, Professor Hoàng Tụy was named as the first-ever recipient of the Constantin Carathéodory Prize of the International Society of Global Optimization for his pioneering work and fundamental contributions to global optimization.[4]

Papers

Publications in Math-Net.Ru

  • Conical algorithms for solving a concave programming problem and some generalizations S. L. Utkin, V. R. Khachaturov, Hoàng Tụy Zh. Vychisl. Mat. Mat. Fiz., 28:7 (1988), 992–999
  • Solving the linear complementarity problem through concave programming Nguyen Van Thoai, Hoang Tuy Zh. Vychisl. Mat. Mat. Fiz., 23:3 (1983), 602–608
  • Almost affine functions Hoàng Tụy Mat. Zametki, 9:4 (1971), 435–440
  • The structure of measurable functions. II Hoàng Tụy Mat. Sb. (N.S.), 54(96):2 (1961), 177–208
  • On the structure of measurable functions. I Hoàng Tụy Mat. Sb. (N.S.), 53(95):4 (1961), 429–488
  • The “universal primitive” of J. Markusiewicz Hoàng Tụy Izv. Akad. Nauk SSSR Ser. Mat., 24:4 (1960), 617–628

Family

An ancestor of Hoàng Tụy was a famous leader of anti-colonial resistance:

One of my ancestors, Hoàng Diệu, was governor of Hanoi in the 1880s. He heroically defended Hanoi against the French, but the city fell. Believing himself to be responsible, he took his own life rather than allow himself to be captured by the enemy. His resistance and suicide are considered to have been acts of great patriotism. In 1945, when the revolution took Hanoi back from the French, for a time Hanoi was renamed Hoàng Diệu City.[1]:16

Hoàng Tụy's son, Hoang Duong Tuan, is now a full professor at the University of Technology, Sydney, Australia, where he is working on the applications of optimization in various engineering fields. His son-in-law, Phan Thien Thach, works also on optimization.

gollark: Do they just need to negotiate with a wood supplier who needs food or something? This leads to increasingly convoluted and problematic chains.
gollark: How is HoneyFoodsCompany meant to get stuff from BeesCorp?
gollark: Imagine you have BeesCorp, which produces honey and requires wood for beehives, and HoneyFoodsCompany, which requires honey and other stuff and produces food.
gollark: Which isn't always true, or even the case a lot of the time.
gollark: See, bartering requires that party A has something party B wants, and party B has something party A wants.

References
  1. Koblitz, Neal (1990), "Recollections of mathematics in a country under siege (An interview with Professor Hoang Tuy, Director of the Hanoi Mathematical Institute)", The Mathematical Intelligencer, 12 (3): 16–34, doi:10.1007/BF03024014
  2. Koblitz, Neal (2007). Random Curves: Journeys of a Mathematician. Springer-Verlag. p. 188. ISBN 9783540740780.
  3. Website http://ncp07.insa-rouen.fr/
  4. Website http://www.globaloptimization.org/prizes/isogo-prizes/
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