Abstract
Let $X \subset \R^n$ be a coherent analytic surface. We show that the connected components of global analytic subsets of $X$ are global and we compute the stability index and Bröcker's $t$-invariant of $X$. We also state a real Nullstellensatz for normal surfaces.
Citation
C. Andradas. A. Díaz-Cano. "Some properties of global semianalytic subsets of coherent surfaces." Illinois J. Math. 48 (2) 519 - 537, Summer 2004. https://doi.org/10.1215/ijm/1258138396
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