Timeline for Is anything known about the "closure" of an additive category by adding all the images and kernels?

11 events

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Feb 4, 2011 at 23:54	comment	added	Theo Buehler		@Matthias: Hello, good to hear from you! Of course I haven't forgotten about Adelman's construction. The question wasn't primarily about the free abelian category and I also tried to answer David Speyers question and I actually don't think I've answered Lev's question.
Feb 4, 2011 at 17:28	comment	added	Matthias Künzer		Adelman's amazing construction (J. Pure Appl. Algebra 3, 1973, 103–117, MR0318265) actually is more elegant: it's a factor category of the diagram category {A -> B -> C} over $\mathcal{A}$. (You've taught me that...)
Jan 23, 2011 at 8:45	comment	added	Lev Soukhanov		@Theo It's much the same I thought about it. Thank you!
Jan 23, 2011 at 8:42	vote	accept	Lev Soukhanov
Jan 23, 2011 at 3:23	history	edited	Theo Buehler	CC BY-SA 2.5	added 6 characters in body
Jan 23, 2011 at 3:22	history	rollback	Theo Buehler		Rollback to Revision 4
Jan 23, 2011 at 3:20	history	edited	Theo Buehler	CC BY-SA 2.5	added 2 characters in body
Jan 23, 2011 at 3:05	history	edited	Theo Buehler	CC BY-SA 2.5	added 448 characters in body
Jan 23, 2011 at 2:23	history	edited	Theo Buehler	CC BY-SA 2.5	added 59 characters in body
Jan 23, 2011 at 1:21	history	edited	Theo Buehler	CC BY-SA 2.5	added 28 characters in body
Jan 23, 2011 at 1:12	history	answered	Theo Buehler	CC BY-SA 2.5