The story
From Hopf + link. From being an interlinkage named after Heinz Hopf.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The simplest interlinkage of two loops; two interlinked rings. Full definition →
From Hopf + link. From being an interlinkage named after Heinz Hopf.
Etymology from Wiktionary, CC BY-SA 4.0.