Age, Biography and Wiki

Nikolaus Hofreiter was born on 8 May, 1904 in Linz, Upper Austria, Austria-Hungary, is an Austrian mathematician (1904–1990). Discover Nikolaus Hofreiter's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 86 years old?

Popular As N/A
Occupation N/A
Age 86 years old
Zodiac Sign Taurus
Born 8 May 1904
Birthday 8 May
Birthplace Linz, Upper Austria, Austria-Hungary
Date of death 1990
Died Place N/A
Nationality Hungary

We recommend you to check the complete list of Famous People born on 8 May. He is a member of famous mathematician with the age 86 years old group.

Nikolaus Hofreiter Height, Weight & Measurements

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Nikolaus Hofreiter Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Nikolaus Hofreiter worth at the age of 86 years old? Nikolaus Hofreiter’s income source is mostly from being a successful mathematician. He is from Hungary. We have estimated Nikolaus Hofreiter's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
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Net Worth in 2023 Pending
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Source of Income mathematician

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Timeline

1904

Nikolaus Hofreiter (8 May 1904 – 23 January 1990) was an Austrian mathematician who worked mainly in number theory.

1923

Hofreiter went to school in Linz and studied from 1923 in Vienna with Hans Hahn, Wilhelm Wirtinger, Emil Müller at the Technische Universität Wien on descriptive geometry, and Philipp Furtwängler, with whom he obtained his doctorate in 1927 on the reduction theory of quadratic forms (Eine neue Reduktionstheorie für definite quadratische Formen).

1928

In 1928 he passed the Lehramtsprüfung examination and completed the probationary year as a teacher in Vienna, but then returned to the university (first as a scientific assistant at the TU Vienna) where in 1929 he was assistant to Furtwängler and then habilitated in 1933.

He was even then an excellent teacher, and gave lectures not only in Vienna but also in Graz.

His dissertation and habilitation thesis dealt with the reduction theory of quadratic forms, which Gauss, Charles Hermite and Hermann Minkowski had worked on previously.

Hofreiter treated the case of four variables of a problem of Minkowski (Minkowski had solved the problem for two variables, while Robert Remak had solved it for three variables) on the product of inhomogeneous linear forms and achieved significant progress.

The complete solution was only found 15 years later (and the general case is still unresolved).

1934

In 1934, he proved the existence of infinitely many real quadratic number fields without a Euclidean algorithm.

In addition, he dealt with the geometry of numbers and Diophantine approximation.

1939

In 1939, he was an associate professor and married the mathematician Margarete Dostalík (1912-2013).

She was also a student of Furtwängler and did important work on algebraic equations and was working as a meteorologist in Berlin at the time.

During the Second World War, he moved from Vienna and was a little later at the Hermann Goering Aviation Research Institute in Braunschweig, where his colleagues Wolfgang Gröbner from Vienna, Bernhard Baule from Graz, Ernst Peschl and Josef Laub were already working.

Through his work there, together with Gröbner, he started a table of integrals.

1944

The first volume, on indefinite integrals, was published by Notdruck (Braunschweig) in 1944 and by Springer in 1949.

1946

After the war he returned to Vienna in 1946 and continued to expand on his number theory work.

He also worked on linear optimization and numerical mathematics.

1950

In 1950, the second volume containing definite integrals appeared.

1954

In 1954, he became a professor, and in 1963/4 became Dean of the Faculty, and in 1965/6, he was Rector of the University of Vienna.

1965

He received the Austrian Cross of Honour for Science and Art, 1st class in 1965, the Gold Medal of Honour of the City of Vienna, the Grand Decoration of Honour in Silver for Services to the Republic of Austria in 1977, the Commander's Cross of the Order of St. Gregory the Great, the Ring of Honour of the Austrian Mathematical Society.

He was an honorary senator of the University of Linz.

His doctoral students included Edmund Hlawka, Peter Gruber and Leopold Schmetterer.

He has over 1500 academic descendants, primarily through Hlawka.

1970

In 1970, Hofreiter became a corresponding member of the Austrian Academy of Sciences.

1973

Both parts were widely available through to the 5th 1973/75 edition.

His wife, Margaret, assisted with the calculations, as well as the preparation and review of both volumes.

In addition to their work at the Aviation Research Institute, Gröbner and Hofreiter continued to give lectures and seminars at the Technical University of Braunschweig.

1974

In 1974, he retired.