Lazarus Fuchs

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Lazarus Fuchs
Lazarus Fuchs (HeidICON 33457) (cropped).jpg
Lazarus Immanuel Fuchs (1833–1902)
Born (1833-05-05)5 May 1833
Moschin, Prussia
Died 26 April 1902(1902-04-26) (aged 68)
Berlin, German Empire
Residence Germany
Nationality German
Alma mater University of Berlin
Known for Fuchsian groups
Picard–Fuchs equation
Fuchs's theorem
Scientific career
Institutions University of Greifswald
University of Heidelberg
University of Berlin
University of Göttingen
Doctoral advisor Karl Weierstraß
Doctoral students Gerhard Hessenberg
Edmund Landau
Hermann Schapira
Ludwig Schlesinger
Issai Schur
Theodor Vahlen
Ernst Zermelo
Influences Ernst Kummer
Influenced Jules Henri Poincaré
Marie Ennemond Camille Jordan
Felix Christian Klein

Lazarus Immanuel Fuchs (5 May 1833 – 26 April 1902) was a Jewish-German[1] mathematician who contributed important research in the field of linear differential equations.[2] He was born in Moschin (Mosina) (located in Grand Duchy of Posen) and died in Berlin, Germany. He was buried in Schöneberg in the St. Matthew's Cemetery. His grave in section H is preserved and listed as a grave of honour of the State of Berlin.

He is the eponym of Fuchsian groups and functions, and the Picard–Fuchs equation. A singular point a of a linear differential equation

is called Fuchsian if p and q are meromorphic at the point a, and have poles of orders at most 1 and 2, respectively. According to a theorem of Fuchs, this condition is necessary and sufficient for the regularity of the singular point, that is, to ensure the existence of two linearly independent solutions of the form

where the exponents can be determined from the equation. In the case when is an integer this formula has to be modified.

Another well-known result of Fuchs is the Fuchs's conditions, the necessary and sufficient conditions for the non-linear differential equation of the form

to be free of movable singularities.

Lasarus Fuchs was the father of Richard Fuchs, a German mathematician.

Selected works

  • Über Funktionen zweier Variabeln, welche durch Umkehrung der Integrale zweier gegebener Funktionen entstehen, Göttingen 1881.
  • Zur Theorie der linearen Differentialgleichungen, Berlin 1901.
  • Gesammelte Werke, Hrsg. von Richard Fuchs und Ludwig Schlesinger. 3 Bde. Berlin 1904–1909.


  1. ^ O'Connor, John J.; Robertson, Edmund F., "Lazarus Immanuel Fuchs", MacTutor History of Mathematics archive, University of St Andrews.
  2. ^ Wilczynski, E. J. (1902). "Lazarus Fuchs". Bull. Amer. Math. Soc. 9 (1): 46–49. doi:10.1090/s0002-9904-1902-00952-x. MR 1557937.

External links

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