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Monthly Archives: March 2020
X. Jia’s well-filtered, non-sober dcpo
[Business as usual, despite all viruses!] Peter Johnstone once showed the existence of a dcpo J that is not sober in its Scott topology. That dcpo is not well-filtered either. Is there a dcpo that is not sober but is … Continue reading
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Tagged counterexample, sober space, well-filtered space
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