Named for a 20th century French mathematician, FTP, names this conjecture which states that any simply connected 3-dimensional manifold must be deformable to a 3-dimensional sphere in a noninvasive manner.
In 1986 two mathematicians, Colin Rourke and Eduardo Rego, published an erroneous proof of this problem, following in the steps of Henry Whitehead. For five or more dimensions, it can be proved by manipulating handles on an n-dimensional manifold. Named for a 20th century French mathematician, FTP, names this conjecture which states that any simply connected 3-dimensional manifold must be deformable to a 3-dimensional sphere in a noninvasive manner.
In 1986 two mathematicians, Colin Rourke and Eduardo Rego, published an erroneous proof of this problem, following in the steps of Henry Whitehead.
{Poincaré} Conjecture