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Moritz Abraham Stern

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Moritz Abraham Stern
Born(1807-06-29)29 June 1807
Died30 January 1894(1894-01-30) (aged 86)
Known forStern's diatomic sequence
Stern primes
Stern–Brocot tree
Scientific career
FieldsMathematics
InstitutionsUniversity of Göttingen
Doctoral advisorBernhard Friedrich Thibaut
Carl Friedrich Gauss
Notable studentsBernhard Riemann
Ferdinand Eisenstein

Moritz Abraham Stern (29 June 1807 – 30 January 1894) was a German mathematician. Stern became Ordinarius (full professor) at Göttingen University in 1858, succeeding Carl Friedrich Gauss. Stern was the first Jewish full professor at a German university who attained the position without changing his Jewish religion.[1] Although Carl Gustav Jacobi preceded him (by three decades) as the first Jew to obtain a math professorial chair in Germany, Jacobi's family had converted to Christianity long before then.

As a professor, Stern taught Gauss's student Bernhard Riemann. Stern was very helpful to Gotthold Eisenstein in formulating a proof of the quadratic reciprocity theorem. Stern was interested in primes that cannot be expressed as the sum of a prime and twice a square (now known as Stern primes).

He is known for formulating Stern's diatomic series[2]

1, 1, 2, 1, 3, 2, 3, 1, 4, … (sequence A002487 in the OEIS)

that counts the number of ways to write a number as a sum of powers of two with no power used more than twice.

He is also known for the Stern–Brocot tree, which he wrote about in 1858 and which Brocot independently discovered in 1861.

References

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  1. ^ Setting the record straight about Jewish mathematicians in Nazi Germany, Haaretz
  2. ^ Stern, M. A. (1858), "Ueber eine zahlentheoretische Funktion", Journal für die reine und angewandte Mathematik, 1858 (55): 193–220, doi:10.1515/crll.1858.55.193, S2CID 122076985.
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This article incorporates material from Moritz Stern on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike License.