What are some common ways to determine if a grammar is ambiguous or not? What are some common attributes that ambiguous grammars have? For example, consider the following Grammar G: $S \rightarrow ...
I have a simple, 1-directional tree representing the veins in a human body. It looks somewhat like this (red dots are nodes, blood flow is always downwards, sorry for my drawing): What I need is a ...
I have a homework problem I think I know the answer to, but want to double check Consider the graph with three nodes, $a$, $b$, and $c$, and the two arcs $a \rightarrow b$ and $b \rightarrow c$. ...
I just started (independent) learning on metric embeddings from the Fall 2003 offering of the course at CMU. I have a limited mathematical background and alas, it made me stumble at the first exercise ...
I have stumbled upon a problem, unfortunately I do not know the proper terminology to be used which hinders me in thinking about the problem and explaining the problem. I am not even sure this is the ...