MathOverflow will be down for maintenance for approximately 3 hours, starting Monday evening (06/24/2013) at approximately 9:00 PM Eastern time (UTC-4).
show/hide this revision's text 2 typo in the title

Nohomeomorphic Nonhomeomorphic CW-complexes that are "stably" homeomorphic

show/hide this revision's text 1

Nohomeomorphic CW-complexes that are "stably" homeomorphic

Do there exist CW-complexes $X$ and $Y$ that are not homeomorphic, but $X \times I$ and $Y \times I$ are homeomorphic? Here $I$ denotes the unit interval $[0, 1]$.