Let a patch be given by the map , where is an open subset of , or more generally by , where is any subset of . Then (or more generally, ) is called the trace of .

# Map Trace

## See also

Patch## Explore with Wolfram|Alpha

## References

Gray, A.*Modern Differential Geometry of Curves and Surfaces with Mathematica, 2nd ed.*Boca Raton, FL: CRC Press, pp. 269-270, 1997.

## Referenced on Wolfram|Alpha

Map Trace## Cite this as:

Weisstein, Eric W. "Map Trace." From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/MapTrace.html