Liu Sifeng (; born 15 July 1955) is a Chinese systems engineer. He is the director of the Institute for Grey Systems Studies at Nanjing University of Aeronautics and Astronautics, Nanjing, China. He is best known for his work on grey system theory.

Education and career

Liu obtained his BE in Mathematics from

Henan University Henan University () is one of the oldest public and Double First Class Universities in China. It was founded in 1912. In the beginning, its name was the Preparatory School for Further Study in Europe and America. In 1942, its name was changed to ...

in 1981, then his MS in Economics (1986) and PhD in Systems Engineering (1998) from

Huazhong University of Science and Technology The Huazhong University of Science and Technology (HUST; ) is a public research university located in Guanshan Subdistrict, Hongshan District, Wuhan, Hubei province, China. As a national key university directly affiliated to the Ministry of E ...

, Wuhan, China. He was the doctoral student of

Julong Deng Deng Julong (; January 1933 – June 22, 2013) was a professor of Huazhong University of Science and Technology, Wuhan, China. He is acknowledged as the founder of grey system theory, first proposed in 1982 with the publication of his paper “Con ...

, the founder of grey system theory. Liu was appointed as a lecturer at Henan University in 1985. He was promoted through the ranks, reaching full professor in 1994. In 2000, he moved as a distinguished professor to Nanjing University of Aeronautics and Astronautics, where he also serves as director of the Institute for Grey Systems Studies. In 2014, he worked as a research professor at

De Montfort University De Montfort University Leicester (DMU) is a public university in the city of Leicester, England. It was established in accordance with the Further and Higher Education Act in 1992 as a degree awarding body. The name De Montfort University was tak ...

Leicester, UK Leicester ( ) is a city status in the United Kingdom, city, Unitary authorities of England, unitary authority and the county town of Leicestershire in the East Midlands of England. It is the largest settlement in the East Midlands. The city l ...

. Liu is the editor-in-chief of ''Grey Systems: Theory and Application'', and of the ''Journal of Grey System''.

Awards and honors

Liu is an honorary fellow of the World Organisation of Systems and Cybernetics, and an honorary editor of "International Journal of Grey Systems" (USA). German Chancellor

Angela Merkel Angela Dorothea Merkel (; ; born 17 July 1954) is a German former politician and scientist who served as Chancellor of Germany from 2005 to 2021. A member of the Christian Democratic Union (CDU), she previously served as Leader of the Opp ...

mentioned Liu's contributions to grey system theory in a 2019 speech at Huazhong University of Science and Technology.

Books

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References

External links

* {{DEFAULTSORT:Liu, Sifeng 1955 births Living people Chinese mathematicians Nanjing University of Aeronautics and Astronautics faculty Huazhong University of Science and Technology alumni Henan University alumni