I am struggling to get an intuitive grasp of pre-sheaves and sheaves.(adsbygoogle = window.adsbygoogle || []).push({});

It would really help me if I could find some visualisation or pictorial representation of these mathematical ideas.

Of course, in areas of great abstraction these visualisations may fail to capture the full sweep of the ideas involved, but it would be a start at least for me. By merely reading and reading the formalism I am not making much progress.

There are some neat books with good pictorial representations of topological ideas, but with sheaves and cohomology it seems few writers have found pictures they feel might illustrate the concepts.

Can anyone point me to any attempts at depicting these ideas

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# Visualising sheaves and presheaves

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