Nagata rings and directed unions of Artinian subrings.
Zero-Dimensionality and Serre Rings
2000 Mathematics Subject Classification: Primary 13A99; Secondary 13A15, 13B02, 13E05. This paper deals with zero-dimensionality. We investigate the problem of whether a Serre ring R <X> is expressible as a directed union of Artinian subrings.
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