How do I check if a directed graph is acyclic? - Stack Overflow
2009年2月24日 · You can try to sort topologically, which is O(V + E) where V is the number of vertices, and E is the number of edges. A directed graph is acyclic if and only if this can be …
Acyclic vs Exact - Mathematics Stack Exchange
2012年1月7日 · Mariano, you seem to be confusing a few things here. A complex is acyclic if and only if it is exact. (see for instance Exercise 1.1.5 in Weibel's Homological Algebra book, or …
What is cyclic and acyclic communication? - Stack Overflow
2013年8月3日 · Acyclic data is still reliable for machine control, it is just delivered in a less deterministic way (on the order of milliseconds, sometimes up to several seconds). When …
Minimum path cover in directed acyclic graph - Stack Overflow
2012年5月30日 · Minimum path cover in directed acyclic graph. Ask Question Asked 12 years, 8 months ago.
Directed Acyclical Graph Traversal... help? - Stack Overflow
a little out of my depth here and need to phone a friend. I've got a directed acyclical graph I need to traverse and I'm stumbling into to graph theory for the first time. I've been reading a lot a...
Maximal acyclic edge set vs maximum acyclic edge set [closed]
2024年1月27日 · As the title indicates, I have a hard time visualizing cases where the maximum ac. edge set has an exceeding cardinality over a maximal ac. edge set. If someone can …
Can someone explain in simple terms to me what a directed …
2019年9月29日 · The acyclic nature means you can safely write contextual processing code that can follow pointers down the edges from a vertex without ever reencountering the same …
How to efficiently query a directed acyclic graph
Therefore, the answer you may be looking for is to use Common Table Expressions and recursive queries. Somes reasons why that is considered a better solution compared to "A Model to …
Question about proof that Flabby sheaves are acyclic
Flabby sheaves $\mathcal{L}$ are acyclic (Page 381), in the proof it says Let $\mathcal{L}$ be flabby. Since there are enough injectives, there is an exact sequence $0 \rightarrow …
The acyclic carrier theorem - Mathematics Stack Exchange
2021年9月19日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …