Topics in Galois Theory (Research Notes in Mathematics)
Edition: 2 edition
Publisher: A K Peters, Ltd.
Published: November 15, 2007
Language: eng
Format: Hardcover
Number of pages: 120
ISBN-13: 9781568814124
Subjects: Fields & rings; Groups & group theory; Mathematics; Science/Mathematics; Science / Mathematics; Advanced
First sentence: G = Z/2Z: all quadratic extensions can be obtained by taking square roots: the map P1 P1 given by X X2 is generic (in characteristics different from 2 - for a characteristics-free equation, one should use X3 - TX + 1 = 0 instead).