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Abstract
Let K be a skew field with total subring V and G be a right ordered group with cone P, so that the crossed product algebra K*G has a skew field D of fractions. We consider total subrings R of D with R ∩ K = V, describe the overrings in D, as well as subrings of R. For particular extensions R of V we determine the prime ideals of R in terms of prime ideals of V and prime ideals of overcones of P in G.
2010 Mathematics Subject Classification:
ACKNOWLEDGMENT
This article is supported in part by NSERC.
Notes
Communicated by E. Puczylouski.