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improved estimates of sombor index
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نویسنده
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gutman ivan
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منبع
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iranian journal of mathematical chemistry - 2024 - دوره : 15 - شماره : 1 - صفحه:1 -5
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چکیده
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The sombor index (so) is a recently invented vertex-degreebasedmolecular structure-descriptor. letm1 be the first zagrebindex. the fact that so is bounded from below by m1=p2 andfrom above by m1 is well-known and easy to prove. in thispaper, we improve these bounds.
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کلیدواژه
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sombor index ,zagreb index ,topological index ,degree (of vertex)
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آدرس
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university of kragujevac, faculty of science, serbia
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پست الکترونیکی
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gutman@kg.ac.rs
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Authors
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