Zero Section
The zero section of a vector bundle is the submanifold of the bundle that consists of all the zero vectors.
See also
Bundle, Bundle Section, Manifold, Vector Bundle, Zero VectorThis entry contributed by Ryan Budney
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Budney, Ryan. "Zero Section." From MathWorld--A Wolfram Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/ZeroSection.html