Švarc–Milnor lemma
= Švarc–Milnor lemma
{wiki=Švarc–Milnor_lemma}
The Švarc–Milnor lemma is a result in differential geometry and algebraic topology, particularly concerning the relationship between the topology of a space and the geometry of its covering spaces. It is named after mathematicians David Švarc and John Milnor.