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From the introduction of my thesis:
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Using an olog to summarize ideas in the introduction: I like it!
Related: a dependency graph of sections:
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Nice.
I'm glad it's a DAG. :upside_down:
Usually in practice I find they are not -- I have to read the introduction so I can understand the rest of the chapters, then read the rest of the chapters so I can understand the introduction. :counterclockwise:
Page X of Gabriel and Zisman has a "leitfaden" which is NOT a DAG.
The question is, does it have non-trivial monodromy?
Each time you go around, your understanding gets multiplied by a matrix. Writing your understanding as a linear combination of eigenvectors, the components with eigenvalues with decay each time you reread the book - these are the misunderstandings - while those with grow.