Dyson's transform (original) (raw)
Die Dyson-Transformation ist ein Verfahren aus der additiven Zahlentheorie, welches von Freeman Dyson erdacht wurde, um Probleme wie den Satz von Mann oder das zu lösen. Es wurde von Olivier Ramaré verwendet, um zu beweisen, dass jede gerade Zahl die Summe von höchstens sechs Primzahlen ist.
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| dbo:abstract | Die Dyson-Transformation ist ein Verfahren aus der additiven Zahlentheorie, welches von Freeman Dyson erdacht wurde, um Probleme wie den Satz von Mann oder das zu lösen. Es wurde von Olivier Ramaré verwendet, um zu beweisen, dass jede gerade Zahl die Summe von höchstens sechs Primzahlen ist. (de) Dyson's transform is a fundamental technique in additive number theory. It was developed by Freeman Dyson as part of his proof of Mann's theorem, is used to prove such fundamental results of Additive Number Theory as the Cauchy-Davenport theorem, and was used by Olivier Ramaré in his work on the Goldbach conjecture that proved that every even integer is the sum of at most 6 primes. The term Dyson's transform for this technique is used by Ramaré. Halberstam and Roth call it the τ-transformation. This formulation of the transform is from Ramaré. Let A be a sequence of natural numbers, and x be any real number. Write A(x) for the number of elements of A which lie in [1, x]. Suppose and are two sequences of natural numbers. We write A + B for the sumset, that is, the set of all elements a + b where a is in A and b is in B; and similarly A − B for the set of differences a − b. For any element e in A, Dyson's transform consists in forming the sequences and . The transformed sequences have the properties: * * * * (en) |
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| rdfs:comment | Die Dyson-Transformation ist ein Verfahren aus der additiven Zahlentheorie, welches von Freeman Dyson erdacht wurde, um Probleme wie den Satz von Mann oder das zu lösen. Es wurde von Olivier Ramaré verwendet, um zu beweisen, dass jede gerade Zahl die Summe von höchstens sechs Primzahlen ist. (de) Dyson's transform is a fundamental technique in additive number theory. It was developed by Freeman Dyson as part of his proof of Mann's theorem, is used to prove such fundamental results of Additive Number Theory as the Cauchy-Davenport theorem, and was used by Olivier Ramaré in his work on the Goldbach conjecture that proved that every even integer is the sum of at most 6 primes. The term Dyson's transform for this technique is used by Ramaré. Halberstam and Roth call it the τ-transformation. * * * * (en) |
| rdfs:label | Dyson-Transformation (de) Dyson's transform (en) |
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| foaf:depiction | wiki-commons:Special:FilePath/Freeman_Dyson.jpg |
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