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Wild Point

For any point $P$ on the boundary of an ordinary Ball, find a Neighborhood of $P$ in which the intersection with the Ball's boundary cuts the Neighborhood into two parts, each Homeomorphic to a Ball. A wild point is a point on the boundary that has no such Neighborhood.

See also Ball, Homeomorphic, Neighborhood




© 1996-9 Eric W. Weisstein
1999-05-26