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 Apr 18 awarded Popular Question Jan 14 awarded Popular Question Dec 19 comment Difference between a stalk of a sheaf and a fiber of a vector bundle Thank you very much. :-) Dec 19 comment Difference between a stalk of a sheaf and a fiber of a vector bundle Thanks ! Can you tell me how the fibre of a bundle is a limit in the general sense of category theory ? Idon"t understand this sentence : it is just the pullback of the bundle along the inclusion of a point. Thanks a lot. Dec 19 awarded Scholar Dec 19 comment Difference between a stalk of a sheaf and a fiber of a vector bundle Ok, i did it. Thank you. :) Dec 19 accepted Difference between a stalk of a sheaf and a fiber of a vector bundle Dec 19 comment Difference between a stalk of a sheaf and a fiber of a vector bundle Thank you very much @Zhen Lin. Can you tell me please, if it's true that the fiber $E_x = \pi^{-1} ( x )$ of a vector bundle $\pi : E \to X$ can be defined as the direct limit of maps $U \to E_{U} = \pi^{-1} ( U )$ like the stalk of a sheaf $\mathcal{F}_x$ ? In this case, what is the direct system which define this direct limit ? Thanks a lot. Dec 19 awarded Commentator Dec 19 comment Difference between a stalk of a sheaf and a fiber of a vector bundle I don't know how to do it, can you tell me how to do it please ?. Il don't speak and i don't undertand well english, i'm a moroccan men, sorry. Dec 19 asked Difference between a stalk of a sheaf and a fiber of a vector bundle Dec 15 revised An example of groups that $G / H_1 \cong G / H_2$ and $| G / H_1 | = | G / H_2 | = 2$ and $H_1 \neq H_2$ edited title Dec 15 comment An example of groups that $G / H_1 \cong G / H_2$ and $| G / H_1 | = | G / H_2 | = 2$ and $H_1 \neq H_2$ Thank you very much. :) Dec 15 comment An example of groups that $G / H_1 \cong G / H_2$ and $| G / H_1 | = | G / H_2 | = 2$ and $H_1 \neq H_2$ Thank you very much :) Dec 15 comment An example of groups that $G / H_1 \cong G / H_2$ and $| G / H_1 | = | G / H_2 | = 2$ and $H_1 \neq H_2$ Thank you very much. :) Dec 15 asked An example of groups that $G / H_1 \cong G / H_2$ and $| G / H_1 | = | G / H_2 | = 2$ and $H_1 \neq H_2$ Dec 14 comment Basis of the space of linear maps between vector spaces Yes, $E$ and $F$ are finie dimensional. Thanks :) Dec 14 comment Basis of the space of linear maps between vector spaces Thank you very much Dec 13 awarded Editor Dec 13 revised Basis of the space of linear maps between vector spaces added 111 characters in body