This book develops the central aspect of fixed point theory - the topological fixed point index - to maximal generality, emphasizing correspondences and other aspects of the theory that are of special interest to economics. Numerous topological consequences are presented, along with important...

Collects papers from Hugo Sonnenschein's students with the aim of demonstrating his impact as an advisor. Each paper in this work is accompanied with a preface by the student that provides background on the paper and indicates Hugo's influence on its genesis. All papers herin, lie in...