Mathematician:Władysław Hugo Dionizy Steinhaus

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Polish mathematician and educator who gave a notable contribution to functional analysis through the Banach-Steinhaus Theorem.




  • Born: January 14, 1887 in Jasło, Austria-Hungary (now Poland)
  • Died: February 25, 1972 in Wrocław, Poland

Theorems and Definitions

Results named for Władysław Hugo Dionizy Steinhaus can be found here.

Definitions of concepts named for Władysław Hugo Dionizy Steinhaus can be found here.


  • 1920: Sur les distances des points dans les ensembles de mesure positive (Fund. Math. Vol. 1: pp. 93 – 104)
  • 1923: Czym jest, a czym nie jest matematyka (What Mathematics Is, and What It Is Not)
  • 1927: Sur le principe de la condensation de la singularités (with Stefan Banach)
  • 1935: Theorie der Orthogonalreihen (with Stefan Marian Kaczmarz)
  • 1939: Kalejdoskop matematyczny (Mathematical Snapshots)
  • 1951: Taksonomia wrocławska (A Wroclaw Taxonomy) (with others)
  • 1951: Sur la liaison et la division des points d'un ensemble fini (On uniting and separating the points of a finite set) (with others)
  • 1961: Orzeł czy reszka (Heads or Tails)
  • 1980: Słownik racjonalny (A Rational Dictionary)

Also known as

Usually known as Hugo Steinhaus.

His second name can also be seen presented as Dyonizy.