Liu Sifeng

{{Short description|Chinese systems engineer (born 1955)}} {{use dmy dates|date=June 2020}} {{family name hatnote|Liu|lang=Chinese}} {{Infobox academic | name = Liu Sifeng | image = | image_size = | alt = | caption = | native_name = 劉思峰 | native_name_lang = Chinese | birth_name =  | birth_date = {{birth date and age|df=y|1955|07|15}} | birth_place = | death_date =  | death_place = | death_cause = | region = | nationality = | other_names = | occupation = | period = | known_for = Grey system theory | title = | boards =  | family = | awards =  | website = | education = | alma_mater = {{plainlist}} *Henan University (BE) *Huazhong University of Science and Technology (MS, PhD) {{endplainlist}} | thesis_title = | thesis_url = | thesis_year = | school_tradition = | doctoral_advisor =Julong Deng | influences =  | era = | discipline = Information theory | sub_discipline = decision making with incomplete information | workplaces =  | notable_students =  | notable_works = | notable_ideas = | influenced =  | signature = | signature_alt = | signature_size = | footnotes = }}

'''Liu Sifeng''' ({{zh|s=刘思峰}}; born 15 July 1955) is a Chinese systems engineer. He was 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 in 1981, then his MS in Economics (1986) and PhD in Systems Engineering (1998) from Huazhong University of Science and Technology, Wuhan, China.<ref name="cv2014">{{cite web|url= http://www.dmu.ac.uk/documents/technology-documents/research-faculties/cci/cv-sifeng-liu.pdf |title=Curriculum Vita|last=Liu|first=Sifeng|access-date=11 June 2021}}</ref> He was the doctoral student of Julong Deng, the founder of grey system theory.<ref name="editorial2021"/>

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 in Leicester, UK.<ref name="cv2014"/><ref name="editorial2021">{{cite journal |last1=Javed |first1=Saad Ahmed |title=Editorial |journal=Grey Systems: Theory and Application |date=2021-06-18 |volume=11 |issue=3 |pages=2043–9377 |doi=10.1108/GS-06-2021-169 |s2cid=235826478 |url=https://www.emerald.com/insight/content/doi/10.1108/GS-06-2021-169/full/html|url-access=subscription }}</ref>{{better source needed|date=June 2021|reason=the editorial in a journal that he is editor for fails independence; one would expect to have a Nanjing University page confirming his appointment and position}}

Liu is the editor-in-chief of ''Grey Systems: Theory and Application'',<ref>{{cite web|url=https://www.emeraldgrouppublishing.com/journal/gs#editorial-team|title=Journal Description|publisher=Emerald Publishing|work=Grey Systems|access-date=11 June 2021}}</ref> and of the ''Journal of Grey System''.<ref>{{cite web|url=http://www.researchinformation.co.uk/grey.php|work=Journal of Grey System|title=Official Webpage|access-date=11 June 2021}}</ref>

In 2013, he became the Fellow of Marie Skłodowska-Curie Actions.<ref>{{Cite journal |last=Xie |first=Naiming |last2=Jopling |first2=Daniel |date=2014-09-01 |title=Prof. Sifeng Liu selected for Marie Curie International Incoming Fellowship |url=https://go.gale.com/ps/i.do?p=AONE&sw=w&issn=09573720&v=2.1&it=r&id=GALE%7CA442782377&sid=googleScholar&linkaccess=abs |journal=The Journal of Grey System |language=English |volume=26 |issue=3}}</ref>

==Awards and honors== Liu is an honorary fellow of the World Organisation of Systems and Cybernetics,<ref>{{cite web|url=http://wosc.co/distinctions-and-awards/|title=Distinctions and Awards|date=29 November 2011 |publisher=World Organisation of Systems and Cybernetics|access-date=12 June 2021}}</ref> and an honorary editor of "International Journal of Grey Systems" (USA).<ref>{{Cite web|title=Editorial Board|url=http://publish.thescienceinsight.com/index.php/ijgs/about/editorialTeam|access-date=2021-03-25|website=International Journal of Grey Systems}}</ref> German Chancellor Angela Merkel mentioned Liu's contributions to grey system theory in a 2019 speech at Huazhong University of Science and Technology.<ref>{{cite web|url=https://www.bundeskanzlerin.de/bkin-de/aktuelles/rede-von-bundeskanzlerin-merkel-an-der-huazhong-university-of-science-and-technology-am-7-september-2019-in-wuhan-1668736|title=Rede von Bundeskanzlerin Merkel an der Huazhong University of Science and Technology am 7. September 2019 in Wuhan|lang=de|trans-title=Speech by Chancellor Merkel at the Huazhong University of Science and Technology on September 7, 2019 in Wuhan|publisher=Die Bundeskanzlerin|date=7 September 2019|access-date=25 June 2021}}</ref> In 2023, he received the Global Excellence Award from the Grey Systems Society of Pakistan.<ref>{{Cite web |title=Professor Sifeng Liu won the Global Excellence Award {{!}} Emerald Publishing |url=https://www.emeraldgrouppublishing.com/journal/gs/professor-sifeng-liu-won-global-excellence-award |access-date=2023-12-11 |website=www.emeraldgrouppublishing.com |language=en}}</ref> ==Books== *{{cite book|last1=Liu|first1=Sifeng|last2=Lin|first2=Yi|title=Grey Information: Theory and Practical Applications|url=https://books.google.com/books?id=T9RqJlwk8g8C|year=2006|publisher=Springer Science & Business Media|isbn=978-1-84628-342-0}}<ref>{{Cite journal|date=2008-02-15|title=Grey Information: Theory and Practical Applications|journal=Kybernetes|volume=37|issue=1|pages=189|doi=10.1108/03684920810851078|issn=0368-492X}}</ref> *{{cite book|last1=Dang|first1=Yaoguo|last2=Liu|first2=Sifeng|last3=Wang|first3=Yuhong|title=Optimization of Regional Industrial Structures and Applications|url=https://books.google.com/books?id=a6M-EWOwaQkC|year=2010|publisher=CRC Press|isbn=978-1-4200-8752-9}} *{{cite book|last1=Fang|first1=Zhigeng|last2=Liu|first2=Sifeng|last3=Shi|first3=Hongxing|last4=Lin |first4=Yi|title=Grey Game Theory and Its Applications in Economic Decision-Making|url=https://books.google.com/books?id=uh9fEz7M3qUC|year=2010|publisher=CRC Press|isbn=978-1-4200-8740-6}} *{{cite book |last1=Liu|first1=Sifeng|last2=Fang|first2=Zhigeng|last3=Shi|first3=Hongxing|last4=Guo|first4=Benhai|title=Theory of Science and Technology Transfer and Applications|url=https://books.google.com/books?id=e7RVLNmL5I8C|year=2010|publisher=CRC Press|isbn=978-1-4200-8742-0}} *{{cite book|editor1-last=Liu|editor1-first=Sifeng|editor2-last=Forrest|editor2-first=Jeffrey Yi-Lin|title=Advances in Grey Systems Research|url=https://books.google.com/books?id=Os5qCQAAQBAJ|year=2010|publisher=Springer|isbn=978-3-642-13938-3}} *{{cite book|last1=Jian|first1=Lirong|last2=Liu|first2=Sifeng|last3=Lin|first3=Yi|title=Hybrid Rough Sets and Applications in Uncertain Decision-Making|url=https://books.google.com/books?id=TEN5EwDkLrsC|year=2011|publisher=CRC Press|isbn=978-1-4200-8749-9}} *{{cite book|last1=Liu|first1=Sifeng|last2=Xie|first2=Naiming |last3=Yuan|first3=Chaoqing|last4=Fang |first4=Zhigeng|title=Systems Evaluation: Methods, Models, and Applications|url=https://books.google.com/books?id=qMxPDwAAQBAJ|year=2012|publisher=CRC Press|isbn=978-1-4200-8847-2}} *{{cite book|last1=Liu|first1=Sifeng|last2=Yang|first2=Yingjie|last3=Forrest|first3=Jeffrey|title=Grey Data Analysis: Methods, Models and Applications|url=https://books.google.com/books?id=u4n2DAAAQBAJ|year=2016|publisher=Springer|isbn=978-981-10-1841-1}}

== References == {{Reflist}}

==External links== {{Scholia|author}} *{{Google Scholar id| NWAdCZUAAAAJ}}

{{DEFAULTSORT:Liu, Sifeng}} Category:1955 births Category:Living people Category:Chinese mathematicians Category:Academics of De Montfort University Category:Academic staff of Nanjing University of Aeronautics and Astronautics Category:Huazhong University of Science and Technology alumni Category:Henan University alumni