Ragni Piene (born 18 January 1947,

Oslo Oslo ( , , or ; sma, Oslove) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of ...

) is a Norwegian

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

, specializing in algebraic geometry, with particular interest in enumerative results and intersection theory.

Education and career

After a bachelor's degree from the

University of Oslo The University of Oslo ( no, Universitetet i Oslo; la, Universitas Osloensis) is a public research university located in Oslo, Norway. It is the highest ranked and oldest university in Norway. It is consistently ranked among the top univers ...

in 1969 and a DEA from

Université de Paris The University of Paris (french: link=no, Université de Paris), metonymically known as the Sorbonne (), was the leading university in Paris, France, active from 1150 to 1970, with the exception between 1793 and 1806 under the French Revolutio ...

in 1970 Piene received a doctorate in mathematics from the

Massachusetts Institute of Technology The Massachusetts Institute of Technology (MIT) is a Private university, private Land-grant university, land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern t ...

in 1976, advised by Steven Kleiman. Her dissertation was titled ''Plücker Formulas''. She was appointed professor at the

in 1987.

Recognition

She was elected a member of the

Norwegian Academy of Science and Letters The Norwegian Academy of Science and Letters ( no, Det Norske Videnskaps-Akademi, DNVA) is a learned society based in Oslo, Norway. Its purpose is to support the advancement of science and scholarship in Norway. History The Royal Frederick Unive ...

in 1994, and in 2012 she became a fellow of the

American Mathematical Society The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings ...

and a member of the

Academia Europaea The Academia Europaea is a pan-European Academy of Humanities, Letters, Law, and Sciences. The Academia was founded in 1988 as a functioning Europe-wide Academy that encompasses all fields of scholarly inquiry. It acts as co-ordinator of Europea ...

. We is also one of the protagonists of the Women of mathematics exhibition.

Service

Since 2003 she has been a member of the executive committee of the

International Mathematical Union The International Mathematical Union (IMU) is an international non-governmental organization devoted to international cooperation in the field of mathematics across the world. It is a member of the International Science Council (ISC) and supports ...

, and was the chair of the Abel Committee from 2010–2011 to 2013–2014.

References

{{DEFAULTSORT:Piene, Ragni 1947 births Living people Algebraic geometers Massachusetts Institute of Technology School of Science alumni Norwegian expatriates in the United States Academic staff of the University of Oslo Members of the Norwegian Academy of Science and Letters Members of Academia Europaea Fellows of the American Mathematical Society Royal Norwegian Society of Sciences and Letters 20th-century Norwegian mathematicians Norwegian women mathematicians 20th-century women mathematicians 21st-century women mathematicians 20th-century Norwegian women Presidents of the Norwegian Mathematical Society