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Graded Rings and Krull Orders
Eric Jespers and Paul Wauters
Proceedings of the American Mathematical Society
Vol. 107, No. 2 (Oct., 1989), pp. 309-313
Published by: American Mathematical Society
Stable URL: http://www.jstor.org/stable/2047817
Page Count: 5
You can always find the topics here!Topics: Mathematical rings, Monoids, Normalizing, Semigroups, Algebra, Factorials, Polynomials, Mathematics, Mathematical sets, Automorphisms
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Let R be a faithfully S-graded ring, where S is a submoniod of a torsion-free commutative group and S has no nontrivial units. In case R is a prime Krull order we give necessary and sufficient conditions for R to be a crossed product (respectively a polynomial ring).
Proceedings of the American Mathematical Society © 1989 American Mathematical Society