A term of endearment used by algebraic topologists when talking about their favorite power tools such as Abelian groups, bundles, homology groups, homotopy groups, K-theory, Morse theory, obstructions, stable homotopy theory, vector spaces, etc. Gadgets are sometimes also called algebraic gadgets.
Gadget
See also
Abelian Group, Algebraic Topology, Bundle, Free, Homology Group, Homotopy Group, K-Theory, Obstruction, Morse Theory, Vector SpaceExplore with Wolfram|Alpha
References
Page, W. Topological Uniform Structures. New York: Dover, 1994.Referenced on Wolfram|Alpha
GadgetCite this as:
Weisstein, Eric W. "Gadget." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Gadget.html