precedence graph

A precedence graph is a directed acyclic graph (DAG) that represents the dependencies between tasks or activities in a project or system. In a precedence graph, nodes represent tasks or activities, and edges represent the dependencies between them. For example, if task A must be completed before task B can begin, there would be a directed edge from A to B in the precedence graph.

Precedence graphs are commonly used in project management to help plan and schedule tasks. By analyzing the graph, project managers can identify critical paths and potential bottlenecks in the project, and adjust the schedule accordingly to ensure timely completion.

In addition to project management, precedence graphs are also used in other fields such as computer science and engineering to represent dependencies between tasks or processes.