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Let be a closed set of transfinite diameter which is not contained in any closed disc of radius .
If with all then can
have connected components?
If the transfinite diameter of is then must this set only have at most connected components, where depends only on (or just the transfinite diameter of )?
Source: erdosproblems.com/1042
An accepted solution exists. The statement is true.
Proved. The site credits Ghosh and Ramachandran [GhRa24]; the standing derives from their claim page (Ghosh Ramachandran, 2023).