21 citations · 21 across the 1 of their papers we have counts for
3 papers
Borromean rays and hyperplanes
Jack S. Calcut, Jules R. Metcalf-Burton, Taylor J. Richard +1
Three disjoint rays in euclidean 3-space form Borromean rays provided their union is knotted, but the union of any two components is unknotted. We construct infinitely many Borrome…
Connected sum at infinity and Cantrell-Stallings hyperplane unknotting
Jack S. Calcut, Henry C. King, Laurent C. Siebenmann
We give a general treatment of the somewhat unfamiliar operation on manifolds called Connected Sum at Infinity, or CSI for short. A driving ambition has been to make the geometry b…
Discreteness and Homogeneity of the Topological Fundamental Group
Jack S. Calcut, John D. McCarthy
For a locally path connected topological space, the topological fundamental group is discrete if and only if the space is semilocally simply-connected. While functoriality of the t…