FINITE-ORDER AUTOMORPHISMS OF A CERTAIN TORUS BRIAN CONRAD 1. Introduction A classical result of Higman [H], [S, Exer. 6.3], asserts that the roots of unity in the group ring Z[Γ] of a finite commutative group Γ are th

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Date: 2004-08-10 16:47:17 Cyclic group Sheaf Filter Abelian group Abstract algebra Algebra Algebraic topology		FINITE-ORDER AUTOMORPHISMS OF A CERTAIN TORUS BRIAN CONRAD 1. Introduction A classical result of Higman [H], [S, Exer. 6.3], asserts that the roots of unity in the group ring Z[Γ] of a finite commutative group Γ are th Add to Reading List Source URL: math.stanford.edu Download Document from Source Website File Size: 214,14 KB Share Document on Facebook