All Questions
1 question
2
votes
1
answer
113
views
Completing a tree to a 2-connected outerplanar graph
Let $T$ be a given (finite) tree.
Question 1: Is it always possible to add edges to $T$ to obtain a $2$-connected outerplanar supergraph $G$?
Question 2: If the answer to Question #1 is negative, can ...