
CBMS Regional Conference Series in Mathematics 1974; 87 pp Number: 22 Reprint/Revision History: reprinted with corrections 1977; third printing 1988 ISBN10: 082189840X ISBN13: 9780821898406 List Price: US$27 Member Price: US$21.60 All Individuals: US$21.60 Order Code: CBMS/22.D Suggest to a Colleague Please note that AMS On Demand titles are not returnable.  The notes in this volume evolved from lectures at the California Institute of Technology during the spring of 1968, from ten survey lectures on classical and Chevalley groups at an NSF Regional Conference at Arizona State University in March 1973, and from lectures on linear groups at the University of Notre Dame in the fall of 1973. The author's goal in these expository lectures was to explain the isomorphism theory of linear groups over integral domains as illustrated by the theorem \[\mathrm{PSL}_n({\mathfrak o})\cong\mathrm{PSL}_{n_1}({\mathfrak o}_1)\Longleftrightarrow n=n_1\quad\mathrm{and}\quad{\mathfrak o}\cong{\mathfrak o}_1\] for dimensions \(\geq 3\). The theory that follows is typical of much of the research of the last decade on the isomorphisms of the classical groups over rings. The author starts from scratch, assuming only basic facts from a first course in algebra. The classical theorem on the simplicity of \(\mathrm{PSL}_n(F)\) is proved, and whatever is needed from projective geometry is developed. Since the primary interest is in integral domains, the treatment is commutative throughout. In reorganizing the literature for these lectures the author extends the known theory from groups of linear transformations to groups of collinear transformations, and also improves the isomorphism theory from dimensions \(\geq 3\). Readership Reviews "Fine expository work, in a conciselywritten volume, of questions relevant to `general' linear groupsthat is, essentially the group \(\mathrm{GL}_n({\mathfrak o})\) of invertible matrices of the order \(n\) over the ring \({\mathfrak o}\) of integers, its distinguished subgroups, and its factor groups."  J. Dieudonné, Mathematical Reviews Table of Contents



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