analysis situs
Noun
Meaning
the branch of pure mathematics that deals only with the properties of a figure X that hold for every figure into which X can be transformed with a one-to-one correspondence that is continuous in both directions
Source: WordNetSynonyms
Hypernyms
Examples
At the dawn of the 20th century, the interest in analysis situs did not stay unnoticed.
Poincaré called it analysis situs.