Mathematics at UBD
Mathematics at UBD
People
News
Publications
Programmes
Discovery Year
Light
Dark
Automatic
Drug Discovery
An efficient computational technique for degree and distance based topological descriptors with applications
Quantitative structure-activity and structure-property associations of natural systems require terminologies for their topological …
S. Hayat
,
M. Imran
,
J.-B. Liu
Cite
DOI
Valency-based topological descriptors of chemical networks and their applications
A topological descriptor/index (or molecular structure descriptor) is a numerical value associated with chemical constitution for …
S. Hayat
,
S. Wang
,
J.-B. Liu
Cite
DOI
Distance property of chemical graphs
We have developed a rigorous computational technique to compute exact analytic expressions for a number of distance-based topological …
S. Hayat
,
S. Ahmad
,
H.M. Umair
,
S. Wang
Cite
DOI
Further results on computation of topological indices of certain networks
There are various topological indices such as degree based topological indices, distance based topological indices and counting related …
J.-B. Liu
,
S. Wang
,
C. Wang
,
S. Hayat
Cite
DOI
Computing distance-based topological descriptors of complex chemical networks: New theoretical techniques
Structure-based topological descriptors/indices of complex chemical networks enable prediction of physico-chemical properties and the …
S. Hayat
Cite
DOI
Graphs with two main and two plain eigenvalues
In this note, we study graphs with two main and two plain eigenvalues. Besides some other characterization results, we characterize the …
S. Hayat
,
M. Javaid
,
J.H. Koolen
Cite
DOI
A note on graphs with exactly two main eigenvalues
In this note, we consider connected graphs with exactly two main eigenvalues. We will give several constructions for them, and as a …
S. Hayat
,
J.H. Koolen
,
F. Liu
,
Z. Qiao
Cite
DOI
Hypercubes are determined by their distance spectra
We show that the d-cube is determined by the spectrum of its distance matrix.
J.H. Koolen
,
S. Hayat
,
Q. Iqbal
Cite
DOI
On bipartite edge frustration of carbon and boron nanotubes
The measure of bipartivity is one of the important topological and structural property which describes the chemical stability of …
S. Hayat
,
H.M.A. Siddiqui
Cite
DOI
On degree-based and frustration related topological indices of single-walled titania nanotubes
In theoretical and computational chemistry, a molecular descriptor is a numerical representation of a chemical structure while a …
L. Yan
,
Y. Li
,
S. Hayat
,
H.M.A. Siddiqui
,
M. Imran
,
S. Ahmad
,
M.R. Farahani
Cite
DOI
«
»
Cite
×