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Determine whether $T_c$ scales linearly with $U$ in a moire flat-band superconductor where the interaction is tuned, for example by gate-screening distance or dielectric environment. An answer is the measured exponent of T_c versus U.","problem_ref":null,"references":"","settled_by":"$T_{c}$ measured versus screening-layer distance or dielectric environment in moire devices with independently estimated $U$ and fixed band structure.","status_note":"","title":"Linear scaling of $T_c$ with attraction in isolated flat 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