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Jan 5, 2015 at 21:51 vote accept Qiao
Jul 20, 2010 at 21:24 comment added Donu Arapura To paraphrase Pete, it might help focus the answers if you told us your motivation for trying to learning stacks. The subject arose out of the needs of algebraic geometers, and that's the traditional path to it, but in principle there could be others. Perhaps for what you want, it might be sufficient to look up the definition of an orbifold, which arose independently in geometry/topology. On the other hand, elliptic curve theory is beautiful subject, and learning it would be time well spent. However, it's going to be a long road to stacks, be patient.
Jul 20, 2010 at 20:04 history edited Charles Matthews CC BY-SA 2.5
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Jul 20, 2010 at 18:06 answer added The Mathemagician timeline score: 0
Jul 20, 2010 at 17:23 answer added Peter Arndt timeline score: 5
Jul 20, 2010 at 17:22 answer added Francesco Polizzi timeline score: 6
Jul 20, 2010 at 16:28 answer added Anweshi timeline score: 6
Jul 20, 2010 at 16:27 comment added Pete L. Clark The answers of zeb and Ryan Reich may seem a little harsh, but I think they are also realistic -- it is unlikely that you will be able to acquire a good working knowledge of algebraic stacks without a rather strong background in algebraic geometry. On the other hand, is it possible that you don't actually need a good working knowledge but just have some specific question or issue which is phrased in the language of stacks and you need to be "decoded"? If so, try asking that here.
Jul 20, 2010 at 16:23 answer added Ryan Reich timeline score: 8
Jul 20, 2010 at 16:12 comment added zeb Learn algebraic geometry first...
Jul 20, 2010 at 16:01 history asked Qiao CC BY-SA 2.5