Low-dimensional topology, hyperbolic geometry and 3-manifolds, knot theory ... Birman, Joan S and Menasco, William W: "The curve complex has dead ends", Geometriae Dedicata, Volume 169 (1 issue-April ...

The presenter used a straight rod to illustrate how it could ingeniously pass through a narrow hyperbolic slit, showcasing the wonders of geometry. As the rod rotated, it traced a three ...