Of the most important indicators such as the h-index ,a method of measuring the productivity and impact of an academic's work, is often used as a component or metric in the ranking of higher education institutions and their staff then proposed the g index as a modification of the h index. So the g-index, have been Trying to develop and improve the disadvantage in h-index. and although the g-index can provide a more comprehensive measure of scientific contribution, but value g-index is integer where two authors or more than may be get the same g-index value although different number of citations and papers, making it difficult to differentiate performance between authors so in paper we suggest improvement index to resolve this problem is called dgh-index that gives new features to g-index and h-index that give us real number not an integer .
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