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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전산응용수학회 Journal of applied mathematics & informatics Journal of applied mathematics & informatics 제36권 제3호
- 발행연도
- 2018.1
- 수록면
- 307 - 315 (9page)
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초록· 키워드
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Let G be a simple connected graph with n vertices and m edges, with a sequence of vertex degrees $d_1{\geq}d_2{\geq}{\cdots}{\geq}d_n$ > 0. A vertex-degree topological index, referred to as harmonic index, is defined as $H={\sum{_{i{\sim}j}}{\frac{2}{d_i+d_j}}$, where i ~ j denotes the adjacency of vertices i and j. Lower and upper bounds of the index H are obtained.
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참고문헌 (26)
참고문헌 신청
B. Borovicanin / 2017 / Bounds in Chemical Graph Theory - Basics / Univ. Kragujevac, Kragujevac :67~153
B. Borovicanin / 2017 / Bounds for Zagreb indices / MATCH Commun. Math. Comput. Chem 78:17~100
K. C. Das / 2004 / Some properties of the second Zagreb index / MATCH Commun. Math. Comput. Chem 52:103~112
T. Doslic / 2011 / On vertex-degree-based molecular structure descriptors / MATCH Commun. Math. Comput. Chem 66:613~626
C. S. Edwards / 1977 / The largest vertex degree sum for a triangle in a graph / Bull. London Math. Soc 9:203~208
B. Borovicanin / 2017 / Bounds for Zagreb indices / MATCH Commun. Math. Comput. Chem 78:17~100
K. C. Das / 2004 / Some properties of the second Zagreb index / MATCH Commun. Math. Comput. Chem 52:103~112
T. Doslic / 2011 / On vertex-degree-based molecular structure descriptors / MATCH Commun. Math. Comput. Chem 66:613~626
C. S. Edwards / 1977 / The largest vertex degree sum for a triangle in a graph / Bull. London Math. Soc 9:203~208
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