: Covers complex numbers, their geometric interpretation, square roots, and the topology of the complex plane.
It was 2 a.m., and the only light in Arjun’s dorm room came from the pale blue glow of his laptop. His third attempt at a residue theorem problem had collapsed into a mess of branch cuts and miscalculated poles. The recommended text, Churchill, was too gentle. Ahlfors was too divine. He needed something in between—rigorous yet human. foundation of complex analysis by ponnusamy pdf top