Sixto Ríos

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Sixto Ríos García (Pelahustán, Toledo, January 4, 1913 – Madrid, July 8, 2008), was a Spanish mathematician, known as the father of Spanish statistics.

Biography[]

The son of José María Ríos Moreiro and Maria Cristina Garcia Martin, he was taught by his parents, who were teachers. When the family moved to Madrid, he attended St. Maurice School and the San Isidro high school, being always valedictorian.[1]

In 1932 he graduated with a degree in Mathematics from the Central University of Madrid, with the best marks and getting the award "Premio Extraodinario", later he obtained a Ph.D. in Mathematics. He was a student of Julio Rey Pastor and the Laboratory and Seminar of Mathematics (LSM). He recalled that Esteban Terradas influenced his entry to statistics.[1]

He became professor of mathematical analysis at the University of Valencia, as well as in Valladolid and Madrid. He also became Doctor Engineer Geographer, and professor at the Technical School of Aeronautical Engineering and the Faculty of Economics.

He held the positions of Director of the School of Statistics at Complutense University of Madrid, Director of Consejo Superior de Investigaciones Científicas (CSIC) (Superior Council for Scientific Research), Director of the Department of Statistics at the Faculty of Mathematics at the Complutense University of Madrid, and president of the Spanish Society for Operations Research, Statistics and Informatics. He was a correspondent of the National Academy of Sciences of Buenos Aires, Argentina.

Rios published a Spanish language description of the Von Neumann–Morgenstern utility theorem.[2]

He was a member of the editorial board of Statistical Abstracts and full member of the International Statistical Institute and the Institute of Mathematical Statistics.

He conducted research with or directed theses of 16 professors, and some directors in statistical bureaus of Latin America. He conducted applied research for the Spanish industry and formed the School of Operations Research. He lectured at universities around the world and presented papers at international conferences and published in international journals, and helped to set up and direct research centers such as the School of Statistics at the University of Madrid, the Institute of Operations Research and Statistics at the CSIC and its journal Works on Operations Research and Statistics, the School of Statistics at the Central University of Venezuela and the Department of Statistics and Operations Research at the Faculty of Sciences, with international courses sponsored by the Organization of American States (OAS) and UNESCO.

Rios Garcia married Maria Jesus Insua Negrao and they had a son, Sixto Rios Ensua, who followed his father's profession.[3]

Publications[]

He is the author of over 200 research works, publications and monographs, on mathematical analysis, probability and statistics and operations research, among them: Statistical Methods, (Ediciones del Castillo, SA, 1967), Special Mathematics (Madrid: Paraninfo, 1972) Applied Mathematics (Madrid: Paraninfo, 1980) and Multi-criteria Decision Processes (Madrid: Eudema, 1990).

  • 1943: "Sobre la reordinacion de series funcionales y sus aplicaciones", Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 15(1): 87–51 MR3069732
  • 1952 : Introduccion a los Metodos de Estadistica, first part MR0052065
  • 1954 : Introduccion a los Metodos de Estadistica, second part MR0067409
  • 1958: "Sur les lignes de regression", Bulletin de l'Institut International de Statistique 36(3) :64–70 MR0124954
  • 1981: Forward to Dictionary of Statistical, Scientific and Technical Terms (Spanish-English) by Hardeo Sahai and Jose Barrios, Wadsworth Publishing ISBN 9788453400042 MR629539
  • 1983: "Ramiro Melendreras Gimeno (1944—1983)", Trabajos de Estadisticas y de Investigacion Operativa 34(3): 3–5.MR0829560
  • 1994: "The probabilistic revolution" MR1469512
  • 1999: "Fundamentos y appliaciones del analysis de decisiones" (PDF). Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales (Esp). 93 (4): 393–4. Archived from the original (PDF) on April 5, 2010., from Centro de informacion y documentacion cientifica

Awards[]

Sixto Rios received the Spanish National Award for Mathematical Research in 1979. He was Academic of the Royal Academy of Exact, Physical and Natural Sciences from 1961 until his death, and Doctor Honoris Causa by the University of Oviedo (2000) and Seville (2001).

Because of his fundamental contributions to Spanish research, he is considered the father of statistics in Spain.

References[]

Citations
  1. ^ Jump up to: a b : M.A. Gomez-Villegas (2005) Entrevista al Profesor Sixto Rios Garcia Archived April 3, 2010, at the Wayback Machine, Boletin de Estadistica e Investigacion Operativa 21(3)16–19
  2. ^ S. Rios(1998) Some problems and developments in decision science, Revista Matematica Complutense 11(1):113–41
  3. ^ Susana Ramos de Castro (2009) Sixto Rios Ensua, a life devoted to decision support Archived April 3, 2010, at the Wayback Machine, Boletin de Estadistica e Investigacion Operativa 25(2):172,3
Bibliography
  • Francisco Otero (2008). "Sixto Ríos". Abc (33,811 (July 13, 2008)). ISSN 1136-0143, p. 75.
  • Francisco Javier Girón González_Torre (2008). "Sixto Ríos García, Academic of Sciences". El País (11,359 (July 20, 2008)). ISSN 1134-6582, p. 39.

External links[]

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