Let *X* and *Y* be topological spaces. Let *C* be a path-connected closed set of *X\times Y*. Suppose that *C* is locally direct product, that is, for any *(a,b)\in X\times Y*, there exist an open set *U* of *X*, an open set *V* of *Y*, a subset *I* of *U*... Show more

August 29, 2019

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A remark on locally direct product subsets in a topological Cartesian space

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