By Leonard Dickson
Algebraic Theories reviews the entire vital theories; its large choices diversity from the principles of upper algebra and the Galois conception of algebraic equations to finite linear teams (including Klein's "icosahedron" and the speculation of equations of the 5th measure) and algebraic invariants. the whole therapy comprises matrices, linear ameliorations, user-friendly divisors and invariant elements, and quadratic, bilinear, and Hermitian kinds, either singly and in pairs. the consequences are classical, with due consciousness to problems with rationality. trouble-free divisors and invariant components obtain uncomplicated, ordinary introductions in reference to the classical shape and a rational, canonical type of linear ameliorations. All subject matters are built with a impressive lucidity and mentioned in shut reference to their such a lot widespread mathematical purposes.
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Algebraic Theories (Dover Books on Mathematics) by Leonard Dickson