Examples Of Pre-Sheaves
-
- Community Team
- Posts: 314
- Joined: Tue Nov 10, 2015 8:25 pm
Examples Of Pre-Sheaves
Describe examples of pre-sheaves \( \mathcal{F} \) for which the sheafification \( \mathcal{F} \longrightarrow \mathcal{F}^{+} \) is not
(i) injective
(ii) surjective
Also, find an example such that \( \mathcal{F} \neq 0 \), but \( \mathcal{F}^{+} = 0 \).
(i) injective
(ii) surjective
Also, find an example such that \( \mathcal{F} \neq 0 \), but \( \mathcal{F}^{+} = 0 \).
Create an account or sign in to join the discussion
You need to be a member in order to post a reply
Create an account
Not a member? register to join our community
Members can start their own topics & subscribe to topics
It’s free and only takes a minute
Sign in
Who is online
Users browsing this forum: No registered users and 12 guests