How do I check if a directed graph is acyclic? - Stack Overflow
Feb 24, 2009 · How do I check if a directed graph is acyclic? And how is the algorithm called? I would appreciate a reference.
Confusion about the definition of an acyclic graph
Dec 23, 2019 · A graph is acyclic if it does not contain a cycle. With that said, a directed graph is one where the edges are all endowed with a direction. Associated with every digraph is its …
Can someone explain in simple terms to me what a directed …
Feb 17, 2010 · Can someone explain in simple terms to me what a directed acyclic graph is? I have looked on Wikipedia but it doesn't really make me see its use in programming.
What's the difference between the data structure Tree and Graph?
Sep 14, 2011 · A Tree is just a restricted form of a Graph. Trees have direction (parent / child relationships) and don't contain cycles. They fit with in the category of Directed Acyclic Graphs …
What is cyclic and acyclic communication? - Stack Overflow
Aug 3, 2013 · This is what I would consider cyclic communication, something that is always updating a certain type of information that can be sent as data. So I might be completely …
Show that a connected graph on $n$ vertices is a tree if and only …
An interesting corollary of this statement is that for a connected graph $G = (V,E)$ on $n$ vertices, a forest $E’ \subseteq E$ is a spanning tree of $G$ if and ...
How DAG works under the covers in RDD? - Stack Overflow
However, the material to uncover the internal mechanics on Resilient Distributed Datasets with Directed Acyclic Graph seems lacking in this paper. Should it be better learned by …
Acyclic vs Exact - Mathematics Stack Exchange
Jan 7, 2012 · 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 probably anyplace where this is defined). An object is …
If $G$ is an acyclic graph, How can we prove that $G$ is connected?
Feb 5, 2017 · How to Prove $G$ is connected, if $G$ is an acyclic graph on $n \\ge 1$ vertices containing exactly $n − 1$ edges?
What is the equivalent of a tree for directed graphs?
May 14, 2019 · A tree is defined as a connected acyclic undirected graph at page 171 of this online book. What is the equivalent of a tree for directed graphs? A connected acyclic directed …