00739nam a22001697a 4500040003600000082001300036100002800049245008000077260003200157300003700189500010300226500004100329500004400370502005500414546001200469650008800481  cRiphah International University  bTAYa515  aMuhammad Tayyib Rasheed  aOn second and third distances in graphs and related topological invariants   aLahoreb(unpublished)c2021  axii, 60 p.bill.,c; 30 cm.e+CD  aSubmitted in fulfillment of the requirements for the degree of Master of Philosophy in Mathematics  aIncludes bibliographical references.  aThesis supervisor: Dr. Mehar Ali Malik   aThesis (MS)--Riphah International University, 2021  aEnglish  aMathematicsvGraph theory vBinary treevTree graph vSzeged index vGraphs vRICAS