Depending on context, the subscript i may match the subscript on a vertex, so that di is the degree of vi, or the subscript may indicate the position of di in an increasing or decre...Depending on context, the subscript i may match the subscript on a vertex, so that di is the degree of vi, or the subscript may indicate the position of di in an increasing or decreasing list of the degrees; for example, we may state that the degree sequence is d1≤d2≤⋯≤dn.