The educational area is a social sector where the COVID-19 pandemic impact involves making many exponential changes. In countries, transition from face-to-face education to on-line implies revolution in hierarchy of job domains/jobs offer. Young people’s career plans may be different under internal and external factors generated by this new context. Theoretical framework revealed that influence...

in this paper, the degree distance and the gutman index of the corona product of two graphs are determined. using the results obtained, the exact degree distance and gutman index of certain classes of graphs are computed.

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let g be a connected simple (molecular) graph. the distance d(u, v) between two vertices u and v of g is equal to the length of a shortest path that connects u and v. in this paper we compute some distance based topological indices of h-phenylenic nanotorus. at first we obtain an exactformula for the wiener index. as application we calculate the schultz index and modified schultz index of this ...