Let a cotree of a spanning tree in a connected graph be denoted . Then the edges of which are not in are called its twigs (Harary 1994, p. 39).
Twig
See also
CotreeExplore with Wolfram|Alpha
References
Harary, F. Graph Theory. Reading, MA: Addison-Wesley, 1994.Referenced on Wolfram|Alpha
TwigCite this as:
Weisstein, Eric W. "Twig." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Twig.html