8 research outputs found
Beyond the Zagreb indices
© 2018 Kalasalingam University. Published with license by Taylor & Francis Group, LLC. The two Zagreb indices (Formula presented.) and (Formula presented.) are vertex-degree-based graph invariants that have been introduced in the 1970s and extensively studied ever since. In the last few years, a variety of modifications of (Formula presented.) and (Formula presented.) were put forward. The present survey of these modified Zagreb indices outlines their main mathematical properties, and provides an exhaustive bibliography