Eduard Helly

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• Eduard Helly — (* 1. Juni 1884 in Wien; † 28. November 1943 in Chicago, Illinois) war ein österreichischer Mathematiker. Inhaltsverzeichnis 1 Leben 2 Einzelnachweise 3 Literatur …   Deutsch Wikipedia

• Eduard Helly — (1884, Vienna – 1943, Chicago) was a mathematician and the eponym of Helly s theorem, Helly families, Helly s selection theorem, Helly metric, and the Helly Bray theorem.External links* …   Wikipedia

• Helly — Eduard Helly Eduard Helly (né le 1er juin 1884 à Vienne – décédé le 28 novembre 1943 à Chicago) était un mathématicien autrichien, il est principalement connu pour ses travaux suivants : le théorème de Helly, les familles de Helly, le… …   Wikipédia en Français

• Helly-Eigenschaft — ist ein Begriff der Mathematik, genauer der kombinatorischen Mengenlehre. Eine Familie F von Mengen hat genau dann die Helly Eigenschaft, wenn jede Unterfamilie von F mit leerem Schnitt aus mindestens zwei disjunkten Mengen besteht[1][2]. Die… …   Deutsch Wikipedia

• Helly — ist der Name folgender Personen: Eduard Helly (1884–1943), österreichischer Mathematiker Thomas Helly (* 1990), österreichischer Fußballspieler Siehe auch: Helly Eigenschaft, Begriff aus der Mengenlehre …   Deutsch Wikipedia

• Helly family — In combinatorics, a Helly family of order k is a family of sets such that any minimal subfamily with an empty intersection has k or fewer sets in it. In other words, any subfamily such that every (k+1) fold intersection is non empty has non empty …   Wikipedia

• Helly's theorem — In geometry, Helly s theorem is a basic combinatorial result on convex sets. It was proved by Eduard Helly in 1923, and gave rise to the notion of Helly family.tatement of Helly s theorem:Suppose that::X 1,X 2,dots,X n :is a finite collection of… …   Wikipedia

• Helly metric — In game theory, the Helly metric is used to assess the distance between two strategies. It is named for Eduard Helly. Consider a game , between player I and II. Here, and are the sets of pure strategies for players I and II respectively; and is… …   Wikipedia

• Helly–Bray theorem — In probability theory, the Helly–Bray theorem relates the weak convergence of cumulative distribution functions to the convergence of expectations of certain measurable functions. The first eponym is Eduard Helly. Let F and F 1, F 2, ... be… …   Wikipedia

• Helly's selection theorem — In mathematics, Helly s selection theorem states that a sequence of functions that is locally of bounded total variation and uniformly bounded at a point has a convergent subsequence. In other words, it is a compactness theorem for the space… …   Wikipedia