Timeline for Examples of toposes for analysts
Current License: CC BY-SA 3.0
5 events
when toggle format | what | by | license | comment | |
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Dec 19, 2013 at 14:01 | comment | added | Simon Henry | Maybe, but after some research, It seems that the paper "Orbifolds, Sheaves and Groupoids" Of Moerdjik sugests that orbifolds can also be defined as separated toposes with a structural sheaf which are locally manifolds (in the sense that they admit a slice which is a manifolds) | |
Dec 19, 2013 at 12:25 | comment | added | Dan Petersen | I think he just means that orbifolds are most naturally thought of as stacks, i.e. sheaves of groupoids on a category with a Grothendieck topology, and sheaves on a category with a Grothendieck topology is an (or the) example of a topos. | |
Dec 19, 2013 at 11:02 | comment | added | Simon Henry | Could you develop or give a reference on the fact that "the right definition of orbifold is build on topos" ? Because apparently I've never seen this definition... Does it mean that an orbifold can be defined as some kind of structure on an underlying separated topos ? thank you ! | |
S Dec 19, 2013 at 1:25 | history | answered | Anton Petrunin | CC BY-SA 3.0 | |
S Dec 19, 2013 at 1:25 | history | made wiki | Post Made Community Wiki by Anton Petrunin |