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:

    “For often at Church I’ve seen the stained high glass
    Pour out the Virgin and Saints, twist and untwist
    The mortal youth of Christ astride an ass.”
    —Allen Tate (1899–1979)