Given an open set and an orthagonal matrix I've got a vector field with defined as . I'm supposed to prove, that given a -surface with the norm with a -boundary that: .
An explanatory help would be greatly appreciated.
Given an open set and an orthagonal matrix I've got a vector field with defined as . I'm supposed to prove, that given a -surface with the norm with a -boundary that: .
An explanatory help would be greatly appreciated.