Strong reinforcement conjecture for simultaneous drawing urns
Strong reinforcement conjecture for simultaneous drawing urns
Let and consider the simultaneous drawing urn process with reinforcement weights . Let be the event that there is a time after which all balls drawn from the urn have the same colour, and let
Strong reinforcement conjecture. If , then
For the ordinary urn process (), Davis's result establishes the analogous zero-one law: almost-sure eventual fixation occurs exactly when the strong reinforcement hypothesis holds. The conjecture asks whether the almost-sure fixation conclusion remains valid for simultaneous drawing with every ; the supplied source gives no resolution.
Sources & referencesView supporting material
Primary source
Mickaël Launay, “Urns with simultaneous drawing”, arXiv:1201.3495 (2012).
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