Representation Theory

The Unifying Theme Of This Collection Of Papers By The Very Creative Russian Mathematician I. M. Gelfand And His Co-Workers Is The Representation Theory Of Groups And Lattices. Two Of The Papers Were Inspired By Application To Theoretical Physics; The Others Are Pure Mathematics Though All The Papers Will Interest Mathematicians At Quite Opposite Ends Of The Subject. Dr. G. Segal And Professor C-M. Ringel Have Written Introductions To The Papers Which Explain The Background Put Them In Perspective And Make Them Accessible To Those With No Specialist Knowledge In The Area.