From here graph theory got expanded and generalized into relations between objects, finding use ... nodes remained a crucial part of the field, with a wide range of path finding algorithms ...

This is the case with an important problem in computer science called "graph isomorphism testing" whereby scientists use ...

In algorithms, as in life, negativity can be a drag. Consider the problem of finding the shortest path between two points on a graph — a network of ... To decide which unexplored node to visit next, ...

A new algorithm ... these two graphs are isomorphic. Each circle on one graph corresponds to a circle on the second graph and connects to the same other circles. Corresponding nodes are shown ...