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Encyclopedia > Hugo Hadwiger

Hugo Hadwiger (1908 - 1981) was a Swiss mathematician. He is known for Hadwiger's theorem in integral geometry, and a number of conjectures. He also worked on a Swiss enhancement of the Enigma cipher machine, known as NEMA.


His 1957 book Vorlesungen über Inhalt, Oberflache und Isoperimetrie was foundational for the theory of Minkowski functionals, used in mathematical morphology.


See also

  • Hadwiger conjecture (graph theory)
  • Hadwiger conjecture (combinatorial geometry)
  • Hadwiger-Kneser-Poulsen conjecture

External links

  • A page on NEMA (http://webhome.idirect.com/~jproc/crypto/nema.html)

  Results from FactBites:
 
Hadwiger's theorem - Wikipedia, the free encyclopedia (204 words)
In integral geometry (otherwise called geometric probability theory), Hadwiger's theorem states that the space of translation-invariant, finitely additive, not-necessarily-nonnegative set functions defined on finite unions of compact convex sets in R
The theorem was proved by Hugo Hadwiger, and led to further work on intrinsic volumes.
An account and a proof of Hadwiger's theorem may be found in Introduction to Geometric Probability by Daniel Klain and Gian-Carlo Rota, Cambridge University Press, 1997.
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