Morera's theorem
Sign in to savetheorem that a continuous complex‐valued function on an open set in the complex plane whose contour integral on any closed piecewise‐𝒞¹ curve vanishes must be holomorphic
theorem that a continuous complex‐valued function on an open set in the complex plane whose contour integral on any closed piecewise‐𝒞¹ curve vanishes must be holomorphic