Dehn Twist

In geometric topology, a branch of mathematics, a Dehn twist is a certain type of self-homeomorphism of a surface (two-dimensional manifold).

Read more about Dehn Twist:  Definition, Mapping Class Group

Famous quotes containing the word twist:

    “He is the bully on the Left Bank, always ready to twist the milksop’s arm.”
    —Cyril Connolly (1903–1974)