About: Free convolution

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Free convolution is the free probability analog of the classical notion of convolution of probability measures. Due to the non-commutative nature of free probability theory, one has to talk separately about additive and multiplicative free convolution, which arise from addition and multiplication of free random variables (see below; in the classical case, what would be the analog of free multiplicative convolution can be reduced to additive convolution by passing to logarithms of random variables). These operations have some interpretations in terms of empirical spectral measures of random matrices.

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  • Die freie Faltung ist eine binäre Operation auf Wahrscheinlichkeitsmaßen auf , welche der Addition von freien Zufallsvariablen entspricht. (de)
  • Free convolution is the free probability analog of the classical notion of convolution of probability measures. Due to the non-commutative nature of free probability theory, one has to talk separately about additive and multiplicative free convolution, which arise from addition and multiplication of free random variables (see below; in the classical case, what would be the analog of free multiplicative convolution can be reduced to additive convolution by passing to logarithms of random variables). These operations have some interpretations in terms of empirical spectral measures of random matrices. The notion of free convolution was introduced by Voiculescu. (en)
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  • Die freie Faltung ist eine binäre Operation auf Wahrscheinlichkeitsmaßen auf , welche der Addition von freien Zufallsvariablen entspricht. (de)
  • Free convolution is the free probability analog of the classical notion of convolution of probability measures. Due to the non-commutative nature of free probability theory, one has to talk separately about additive and multiplicative free convolution, which arise from addition and multiplication of free random variables (see below; in the classical case, what would be the analog of free multiplicative convolution can be reduced to additive convolution by passing to logarithms of random variables). These operations have some interpretations in terms of empirical spectral measures of random matrices. (en)
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  • Freie Faltung (de)
  • Free convolution (en)
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