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math.PR2022
Revisiting the name variant of the two-children problem
Davy Paindaveine, Philippe Spindel
Initially proposed by Martin Gardner in the 1950s, the famous two-children problem is often presented as a paradox in probability theory. A relatively recent variant of this parado…
hep-th2022
Hidden Kac-Moody Structures in the Fermionic Sector of Five-Dimensional Supergravity
Thibault Damour, Philippe Spindel
We study the supersymmetric quantum dynamics of the cosmological models obtained by reducing supergravity to one timelike dimension. This consistent truncation has fourteen b…