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Jul 13, 2018 at 4:22 answer added Taras Banakh timeline score: 3
Jul 13, 2018 at 4:10 comment added Taras Banakh @Qfwfq You are right: a multi-valued map is just a relation (i.e., a subset of $X\times\mathbb R$).
Jul 13, 2018 at 4:09 comment added Taras Banakh @მამუკაჯიბლაძე Yes, we can also define a multiplication by a number and make $\mathsf{musco}(X)$ a vector space.
Jul 12, 2018 at 17:08 answer added Arno timeline score: 1
Jul 12, 2018 at 16:35 comment added Qfwfq What's a "multivalued map"? Is it just a relation?
Jul 12, 2018 at 12:02 comment added მამუკა ჯიბლაძე Cannot you similarly define $\lambda f$ as the closure of $\lambda f|_{\mathsf{single}(f)}$? It would then presumably give a vector space...
Jul 12, 2018 at 11:19 history asked Taras Banakh CC BY-SA 4.0