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Mar 8, 2010 at 18:26 comment added Mariano Suárez-Álvarez Shizhuo, I know you know Rosenberg has written more than one paper...
Mar 8, 2010 at 16:37 answer added Zoran Skoda timeline score: 1
Feb 4, 2010 at 23:51 comment added Shizhuo Zhang Keller did not introduce cosuspend category but suspend category. Cosuspend category is due to Rosenberg who considered the right exact structure instead of left exact structure..
Feb 4, 2010 at 21:21 comment added Shizhuo Zhang These are just analogue of axioms of Grothendieck pretopology which is explained in Rosenberg's paper..
Jan 21, 2010 at 5:37 comment added Mariano Suárez-Álvarez I imagine that Keller has an article in his webpage on this subject, but I imagine you already looked for it! Can you provide a link? Or maybe a reference?
Jan 21, 2010 at 4:51 history asked B. Bischof CC BY-SA 2.5