Jason (jcreed) wrote,

Found some interesting things in some of Marco Grandis's old papers. Directed Homotopy I even mentions the upper and lower limit bitopology that I worked out last week. Then again, it also appears in J. C. Kelley's 1963 paper on the topic. Woo for being scooped by 45 years!
Tags: categories

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    A nice natural example of a bicategory (non-strict 2-category) I didn't know about before: Objects are sets. Morphisms from A to B are "state…

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    Read a bit about alexandrov topologies and chu spaces and stuff. Is there a good completion of the analogy preorder (i.e. alexandrov topology) :…

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    Interesting paper from Noam and Paul-André. The technical condition about cartesian morphisms in the definition of a fibration of categories…

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