Borel Summation
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In mathematics, a Borel summation is a generalisation of the usual notion of summation of a series. In particular it gives a definition of a quantity that in many ways behaves formally like the sum, even if the series is in fact divergent.The Borel sum of a series is the Laplace transform of the sum of the term-by-term inverse Laplace transform of the original series. If the Laplace transform of an infinite series were equal to the sum of its term-by-term Laplace transform then the Borel sum would be equal to the usual sum. The Borel sum is defined in many situations where the sum isn't…mehr

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Produktbeschreibung
In mathematics, a Borel summation is a generalisation of the usual notion of summation of a series. In particular it gives a definition of a quantity that in many ways behaves formally like the sum, even if the series is in fact divergent.The Borel sum of a series is the Laplace transform of the sum of the term-by-term inverse Laplace transform of the original series. If the Laplace transform of an infinite series were equal to the sum of its term-by-term Laplace transform then the Borel sum would be equal to the usual sum. The Borel sum is defined in many situations where the sum isn't defined. Speaking nonrigorously, it allows us to attach a meaning to the 'sum' of certain types of divergent series. Borel summation is an example of a moment constant method for summing series.