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Equivalence of analytic and rational functions. (English) Zbl 0879.32006
The authors give a criterion for a real-analytic function defined on a compact nonsingular real algebraic set to be analytically equivalent to a rational function.
MSC:
32B15 Analytic subsets of affine space
14P05 Real algebraic sets
32S20 Global theory of complex singularities; cohomological properties
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