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S Apr 13, 2016 at 13:01 history suggested Sigur CC BY-SA 3.0
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Nov 23, 2010 at 19:44 vote accept trew
Sep 26, 2010 at 11:14 comment added Todd Trimble I'm still having trouble understanding the question. I don't suppose you want the same conditions to apply to all three spaces X, Y, Z? If not, why do you expect a unique answer (you say the minimal conditions)? For example, by slightly strengthening a condition on X one could slightly weaken a condition on Y, so that the two sets of conditions are incomparable. (Finally, may I ask what is the motivation for demanding the compact-open topology, if some other conceptually similar but slightly different topology works?)
Sep 26, 2010 at 1:26 answer added Todd Trimble timeline score: 13
Sep 25, 2010 at 21:53 history edited trew CC BY-SA 2.5
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Sep 25, 2010 at 21:41 comment added Ryan Budney trew, I believe your question either in the more restricted sense that I wrote up and in the more general sense where you allow any map is an open problem. I might be wrong -- but I posed this question to Stephen Willard when I was an undergraduate and he thought back then it was an open problem.
Sep 25, 2010 at 21:33 comment added trew thank you very much ryan!but other maps are welcome too!its also interesting to find counterexamples!I would be thankful to see some interesting ones.
Sep 25, 2010 at 21:32 comment added Mariano Suárez-Álvarez @Ryan and others, can the two spaces be homeomorphic but not through the usual map?
Sep 25, 2010 at 21:28 comment added Ryan Budney I modified your question to be what I'm assuming you meant to ask -- in particular you did not specify the nature of the homeomorphism. I took liberty to specify the map that people generally like to be a homeomorphism.
Sep 25, 2010 at 21:27 history edited Ryan Budney CC BY-SA 2.5
finish the question; added 1 characters in body
Sep 25, 2010 at 20:43 comment added trew Sorry,but it wasnt important anyway.
Sep 25, 2010 at 20:42 history edited trew CC BY-SA 2.5
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Sep 25, 2010 at 20:41 comment added André Henriques I do not understand the last ten words of your paragraph. Please reformulate, so as to make this readable.
Sep 25, 2010 at 20:40 comment added trew hi,of course. but in nearly every topology book i only can find the "=>",which is enough for most cases but im interested in a <=>.
Sep 25, 2010 at 19:10 comment added Ryan Budney Have you looked at the compact-open topology section in a textbook like Munkres? Your question is basically about the fundamental property of the compact-open topology which essentially every textbook treats.
Sep 25, 2010 at 18:37 history asked trew CC BY-SA 2.5