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Rings of continuous functions and the branch set of a covering |
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| Authors: | M. A. Mulero |
| Affiliation: | Departamento de Matemáticas, Universidad de Extremadura 06071 Badajoz, Spain |
| Abstract: | This paper gives a characterization of the branch set of a finite covering  of a topological space  , by means of finite  -subalgebras  of  that separate points in  and the module  of its Kähler differentials. |
| Keywords: | Rings of continuous functions, branched covering, K" ahler differentials |
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