Horst Schubert (11 June 1919 – 2001)[1] was a German mathematician.
Schubert was born in Chemnitz and studied mathematics and physics at the Universities of Frankfurt am Main, Zürich and Heidelberg, where in 1948 he received his PhD under Herbert Seifert with thesis Die eindeutige Zerlegbarkeit eines Knotens in Primknoten.[2][3] From 1948 to 1956 Schubert was an assistant in Heidelberg, where he received in 1952 his habilitation qualification. From 1959 he was a professor extraordinarius and from 1962 a professor ordinarius at the University of Kiel. From 1969 to 1984 he was a professor at the University of Düsseldorf.
In 1949 he published his proof that every oriented knot in decomposes as a connect-sum of prime knots in a unique way, up to reordering.[4] After this proof he found a new proof based on his study of incompressible tori in knot complements; he published this work Knoten und Vollringe in Acta Mathematica, where he defined satellite and companion knots.[5] His doctoral students include Theodor Bröcker.
^Bonahon, Francis (2009-07-14). Low-Dimensional Geometry: From Euclidean Surfaces to Hyperbolic Knots. ISBN 9780821848166.
^Die eindeutige Zerlegbarkeit eines Knotens in Primknoten, dissertation published 1 Jan. 1949
^Horst Schubert at the Mathematics Genealogy Project
^Schubert, H. Die eindeutige Zerlegbarkeit eines Knotens in Primknoten. S.-B Heidelberger Akad. Wiss. Math.-Nat. Kl. 1949 (1949), 57–104.
^Schubert, H. Knoten und Vollringe. Acta Math. 90 (1953), 131–286.
HorstSchubert (11 June 1919 – 2001) was a German mathematician. Schubert was born in Chemnitz and studied mathematics and physics at the Universities...
retired in 1975. His students include Albrecht Dold, Dieter Puppe, and HorstSchubert. Seifert surface Seifert–van Kampen theorem Seifert conjecture Seifert–Weber...
due to HorstSchubert (1919-2001) states that every knot can be uniquely expressed as a connected sum of prime knots. List of prime knots Schubert, H. "Die...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Sport i Turystika, Warszawa 1955. 06. HorstSchubert: Etappengefüster. Sportverlag, Berlin, 1956. 07. HorstSchubert u.a.:Jedes Jahr im Mai. Sportverlag...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Heinrich G. F. Schröder Heinrich Schröter Karl Schröter Hermann SchubertHorstSchubert Johann Friedrich Schultz Friedrich Schur Issai Schur Edmund Schuster...
diagram of the knot. Bridge number was first studied in the 1950s by HorstSchubert. The bridge number can equivalently be defined geometrically instead...
by Franz Schubert (D. 911, published as Op. 89 in 1828), a setting of 24 poems by German poet Wilhelm Müller. It is the second of Schubert's two song...
in Berlin along with RAF members Horst Mahler, Brigitte Asdonk and Irene Goergens. Schubert was tried along with Horst Mahler and Goergens; the trial began...
Horst Mahler (born 23 January 1936) is a German former lawyer and political activist. He once was a far-left militant and a founding member of the Red...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Franz Schubert (31 January 1797 – 19 November 1828), a Viennese composer of the late Classical to early Romantic eras, left a very extensive body of work...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
Franz Schubert (31 January 1797 – 19 November 1828) was an extremely prolific Austrian composer. He composed some 1500 works (or, when collections, cycles...
Horst Hauthal (born 3 September 1913 in Berlin; died 21 March 2002 in Bad Neuenahr-Ahrweiler) was a German ambassador. Horst Hauthal was also known for...
Boetzel Otto Buggisch Fritz Menzer Herbert von Denffer Ludwig Föppl HorstSchubert Friedrich Böhm Bruno von Freytag-Löringhoff Johannes Marquart Willi...
figure-8 complement is replaced by another trefoil complement. In 1949 HorstSchubert proved that every oriented knot in S 3 {\displaystyle S^{3}} decomposes...
there was also a informer working in Referat 12 in Vauck's team, Corporal Horst Heilmann, who was supplying Harro Schulze-Boysen (Coro) with intelligence...
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