Topological index

Known as: Chemical topological descriptor, Topological descriptor, Topological indices 
In the fields of chemical graph theory, molecular topology, and mathematical chemistry, a topological index also known as a connectivity index is a… (More)
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2009
2009
A nanostructure is an object of intermediate size between molecular and microscopic structures. It is a product derived through… (More)
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2009
2009
The disk complex of a surface in a 3–manifold is used to define its topological index. Surfaces with well-defined topological… (More)
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2006
2006
We study the topological index of some irregular surfaces that we call generalized Lagrangian. We show that under certain… (More)
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Highly Cited
2005
Highly Cited
2005
Hierarchical image structures are abundant in computer vision and have been used to encode part structure, scale spaces, and a… (More)
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Highly Cited
2001
Highly Cited
2001
A new topological index J (based on distance sums s i as graph invariants) is proposed. For unsaturated or aromatic compounds… (More)
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Highly Cited
1997
Highly Cited
1997
A novel, distance-cum-adjacency topological descriptor, termed as eccentric connecti V ty index, has been conceptualized, and its… (More)
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1997
1997
Electric circuits are present in a number of applications, e.g. in home computers, television, credit cards, electric power… (More)
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Highly Cited
1994
Highly Cited
1994
  • Ivan Gutman
  • Journal of Chemical Information and Computer…
  • 1994
where r is the molecular graph13 considered, possessing N = N ( r ) vertices. Further, A is the ( N X N dimensional) adjacency… (More)
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1992
1992
Schultz' has recently introduced an index for characterization of alkanes by an integer, which he named the molecular topological… (More)
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Highly Cited
1984
Highly Cited
1984
In this paper , we use the bivariant K theory of Kasparov ([19]) as a basic tool to prove the K-theoretical version of the index… (More)
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