Fiber product in the category of open subsets of a topologicalspace X?
in [Math]
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From: John Silver on 17 Jul 2010 09:03 If U and V are open sets (of some topological space X) with morphisms -> W, then my guess is that the fiber product of f:U-> W and g:V->W is the subset, G, of the intersection of U and V such that f|G = g|G. Is this correct? |