Timeline for Why a random variable is better described by its cumulants than by its characteristic function?
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| Oct 29, 2017 at 23:52 | comment | added | Iliyo | If one drops the positvity property to the variables which are operators in the non-commutative case, by the classial umbral calculus, it is preferable to work with cumulants than the characteristic function. The later is optimised by definition for anatycal tasks rather than combinatorial ones. | |
| Jul 28, 2017 at 16:21 | history | answered | Roland Speicher | CC BY-SA 3.0 |