X-Nico

unusual facts about Exterior space


Exterior space

Shape theory: Many shape invariants (Borsuk groups, Quigley inward and approaching groups) of a compact metric space can be obtained as exterior homotopy groups of the exterior space determined by the open neighborhoods of a compact metric space embedded in the Hilbert cube.



see also

Dominic Besner

Besner’s unique style has been credited to his architectural training and, in particular, to urban architect Aldo Rossi’s merger of interior and exterior space.