A bundle or fiber bundle is trivial if it is isomorphic to the cross product of the base space and a fiber.
Trivial Bundle
See also
Bundle, Fiber BundleThis entry contributed by Robert Liu
Explore with Wolfram|Alpha
Cite this as:
Liu, Robert. "Trivial Bundle." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/TrivialBundle.html