The USS Erdös was an Archimedes-class Federation starship serving in the late 24th century.

In early 2378, after the Erdös had suffered a warp-system failure during an encounter with a cosmic string, the vessel was later installed with a new warp core, meant to replace the one ejected by the USS Defiant to close an opening in subspace above Bajor, by the engineering staff aboard Deep Space 9. (DS9 novel: Ascendance)

The ship was likely named for Paul Erdős.
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