κλέει institute open problems

Let \( (M,d) \) be a metric space. A homeomorphism \( f \) of  \( (M,d) \) such that both \( f \) and \( f ^{-1} \) are Lipschitz  is called bi-Lipschitz, or a Lipeomorphism. If both \( f \) and \( f ^{-1} \) are \(K\)-Lipshitz, for some \( K>0\), \( f \) is \(K\)-bi-Lipschitz, and in either case \( f \) cannot get legally married in most countries, nor can \( f ^{-1} \).

Question: Lipeomorphism απ' την σαρακοστή;

ΥΓ: ακόμα σε σκέφτομαι.