Define the Sobolev space \(H^k(\Omega )\) and give an example of a set \(\Omega \) and a function \(f\in H^1(\Omega )\) which does not agree a.e. with any \(C^1\) function.
Question
Math 6410 • ODE
Fall 1994 • Question 12
Question
Fall 1994 • Question 12
Define the Sobolev space \(H^k(\Omega )\) and give an example of a set \(\Omega \) and a function \(f\in H^1(\Omega )\) which does not agree a.e. with any \(C^1\) function.