Eléna Wexler-Kreindler (15 October 1931 – August 1992) was a Romanian mathematician. She spent most of her professional career in France, where she specialized in modern algebra and studied the

Ore extension In mathematics, especially in the area of algebra known as ring theory, an Ore extension, named after Øystein Ore, is a special type of a ring extension whose properties are relatively well understood. Elements of a Ore extension are called Ore ...

s, the theory of the

filtration Filtration is a physical separation process that separates solid matter and fluid from a mixture using a ''filter medium'' that has a complex structure through which only the fluid can pass. Solid particles that cannot pass through the filte ...

of rings, or algebraic microlocalisation.

Career

Kreindler was born on 15 October 1931 in

Brăila Brăila (, also , ) is a city in Muntenia, eastern Romania, a port on the Danube and the capital of Brăila County. The Sud-Est (development region), ''Sud-Est'' Regional Development Agency is located in Brăila. According to the 2021 Romanian ...

, Romania into a Jewish family. She obtained in 1951 a fellowship and spent the next four years in the USSR studying mathematics at the

Ural State University The Ural State University (, , often shortened to USU, УрГУ) is a public university located in the city of Yekaterinburg, Sverdlovsk Oblast, Russian Federation. Founded in 1920, it was an exclusive educational establishment made of several in ...

, located in Sverdlovsk (nowadays

Yekaterinburg Yekaterinburg (, ; ), alternatively Romanization of Russian, romanized as Ekaterinburg and formerly known as Sverdlovsk ( ; 1924–1991), is a city and the administrative centre of Sverdlovsk Oblast and the Ural Federal District, Russia. The ci ...

). In 1955, she completed a master thesis on ''"Multiplicative Lattices with Additive Basis"'' under the supervision of Petr Grigor'evich Kontorovich, before returning to Bucharest to join the faculty of Mathematics at the Polytechnic Institute of Bucharest. Next to her duties as assistant professor, she continued with her research in the field of

functional analysis Functional analysis is a branch of mathematical analysis, the core of which is formed by the study of vector spaces endowed with some kind of limit-related structure (for example, Inner product space#Definition, inner product, Norm (mathematics ...

under the guidance of

Grigore Moisil Grigore Constantin Moisil (; 10 January 1906 – 21 May 1973) was a Romanian mathematician, computer pioneer, and list of members of the Romanian Academy, titular member of the Romanian Academy. His research was mainly in the fields of mathemati ...

. She earned her Ph.D. thesis in mathematics on the "''Theory of Pseudolinear Operators"''. In 1969 she was promoted to associate professor. Kreindler married fellow mathematician Dinu Wexler and changed her name to Eléna Wexler-Kreindler. She left Romania with her husband in 1972 to move to France. She had to start a new professional career in Paris, first as untenured and later tenured associate professor at the

Pierre and Marie Curie University Pierre and Marie Curie University ( , UPMC), also known as Paris VI, was a public research university in Paris, France, from 1971 to 2017. The university was located on the Jussieu Campus in the Latin Quarter of the 5th arrondissement of Paris, ...

. She was eventually promoted to associate professor in 1989. Her work in France was dedicated to the study of problems in modern algebra, such as the

s, the theory of the

of rings, or algebraic microlocalisation. She published with Marie José Bertin a collection of solved problems of algebra and a companion to the book of Marie Paule Maliaving ''"Algèbre commutative: applications en géométrie et théorie des nombres".''

References

{{DEFAULTSORT:Wexler-Kreindler, Elena 1931 births 1992 deaths Romanian women mathematicians 20th-century Romanian mathematicians 20th-century women scientists Ural State University alumni Academic staff of Pierre and Marie Curie University People from Brăila Romanian expatriates in France Algebraists Academic staff of the Politehnica University of Bucharest