noun which may take the genitive case particle 'no'
simply-connected
Topological term: a space is simply-connected if it is path-connected and every loop can be continuously shrunk to a point. Used in mathematics, especially in algebraic topology.
球面は単連結だが、トーラスは単連結ではない。
A sphere is simply-connected, but a torus is not.
単連結な空間では、任意の閉曲線が連続的に一点に縮められる。
In a simply-connected space, any closed curve can be continuously shrunk to a point.