A deleted product criterion for approximability of maps by embeddings

Decompositions of Manifolds.

J. W. Cannon, Robert J. Daverman · American Mathematical Monthly · 1988 · 228 citations

Natural Sciences, Mathematics, Topology +6

Unknotting Combinatorial Balls

E. C. Zeeman · Annals of Mathematics · 1963 · 115 citations

Obstructions to the Imbedding of a Complex in a Euclidean Space.: I. The First Obstruction

ARNOLD SHAPIRO · Annals of Mathematics · 1957 · 91 citations

Natural Sciences, Mathematics, Geometry +10

A general theory of relative regular neighborhoods

Marshall M. Cohen · Transactions of the American Mathematical Society · 1969 · 62 citations

Natural Sciences, Mathematics, Computational Geometry +11

Van Kampen’s embedding Obstruction is incomplete for $2$-Complexes in $\rz^{4}$

Michael Freedman, Vyacheslav Krushkal, Peter Teichner · Mathematical Research Letters · 1994 · 59 citations · Full text

Natural Sciences, Mathematics, Topology +5