V* is a notation used in computer science and mathematics to represent a specific type of variable or function. It often denotes a variable that can take on multiple values or states, making it useful in various applications, such as programming and algorithm design. The asterisk (*) typically indicates a wildcard or a placeholder for any value within a defined set. In the context of graph theory, V* can refer to a set of vertices in a graph that meet certain criteria. This notation helps simplify complex problems by allowing researchers and developers to focus on specific subsets of data or structures, enhancing clarity and efficiency in analysis.