Dr. Sakander Hayat

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Dr. Sakander Hayat

Assistant Professor

Qualifications: PhD in Applied Mathematics (2018), University of Science and Technology of China. MPhil in Applied Mathematics (2014), National University of Sciences and Technology (NUST), Islamabad. BS (Hons.) in Mathematics (2012), GC University Faisalabad.
Research Interests: Algebraic Combinatorics, Applied Combinatorics, Mathematical Chemistry, Discrete Mathematics, Discrete Applied Mathematics

Distinctions/Achievements/Awards
  • Recipient of Outstanding International Student Award 2017 awarded by China Scholarship Council (CSC).
  • Awardee of CAS-TWAS President’s Fellowship for PhD (2014–2018) by the Chinese Academy of Sciences, China and The World Academy of Sciences, Italy.
  • Recipient of Presidential Gold Medal (2014) awarded by NUST on securing the first position in MPhil batch 2012–2014.
  • Recipient of Gold Medal (2012) awarded by GCUF on securing the top position in both morning and evening sessions of BS (H) batch 2008–2012.
  • Recipient of Shield of Performance (2011) by GCUF on securing the first position in BS during years 2008–2011.
Research Projects

1. Awarded a research grant under University Programme for Advance Research (UPAR) by United Arab Emirates University (UAEU)

  • Role: Co–PI
  • Project Title: Distance based graph invariants and their applications
  • Funding Organization: UAE University
  • Grant Type: UPAR grant
  • Grant Code:  G00003271
  • Amount: 0.2 Million AED (8.53 Million PKR)
  • Duration: 02 years (October 2019 ~ October 2021)  
  • Status: In progress

2. Awardee of a reaearch grant under SRGP by HEC

  • Role: Principle Investigator (PI)
  • Project No.: 2285
  • Grant No.:  21- 2285/SRGP/R&D/HEC/2018
  • Amount: 0.355 Million PKR
  • Duration: 09 months (December 2018 ~ September 2019)  
  • Status: Completed
Travel Awards & Grants
  • Travel Grant, $500, Finite Geometry and Extremal Combinatorics, University of Delaware, USA, August 2019.
  • Travel Grant, $700, 5th Algorithmic and Enumerative Combinatorics Summer School 2019, Johannes Kepler University Linz, Austria, July 2019.
  • Travel Grant, $300, CIMPA School on Graphs, Algorithms and Randomness, University of Tabriz, Iran, May 2019.
  • Travel Grant, $700, London Mathematical Society, The 27th British Combinatorial Conference, University of Birmingham, UK, April 2019.
  • Travel Grant, $900, The 18th AHU-USTC Joint Seminar on Algebraic Combinatorics, Anhui University, China, March 2019.
  • Travel Grant, $500, Mathematical Seminar, United Arab Emirates University, UAE, December 2018.
Journal Publications

Year 2019

  • S. Hayat, M, Imran, J.-B. Liu, Correlation between the Estrada index and π-electronic energies for benzenoid hydrocarbons with applications to boron nanotubes, International Journal of Quantum Chemistry, vol. 116(23) (2019), e26016, (SCI, IF 2.263) .
  • S. Hayat, H.M.A. Siddiqui,  A. Khan, M. Imran, A. Razzaq, J.-B. Liu, Resolvability and fault-tolerant resolvability structures of convex polytopes, Theoretical Computer Sciences, 796C (2019)  114–128, (SCI, IF: 0.718)
  • S. Hayat, J. Koolen, M. Riaz, A spectral characterization of the s-clique extension of the square grid graphs, European Journal of Combinatorics, 76 (2019) 104–116, (SCI, IF 0.911).
  • S. Hayat, M. Imran, J.-B. Liu, , An efficient computational technique for degree and distance based topological descriptors with applications, IEEE Access, 7 (2019) 32276–32296, (SCI, IF 4.098).
  • H. Raza, S. Hayat, M. Imran, X.-F. Pan, Fault-tolerant resolvability and extremal structures of graphs, Mathematics, 7 (2019) 78, (SCI, IF 1.105).
  • H. Raza, S. Hayat, X.-F. Pan, On the fault-tolerant metric dimension of certain interconnection networks, Journal of Applied Mathematics and Computing, 60 (2019) 517–535, (ISI, Clarivate Analysis–Master Journal List).
Year 2018
  • S. Hayat, S. Wang, J. Liu, Valency-based topological descriptors of chemical networks and their applications, Applied Mathematical Modelling, 60 (2018) 164–178, (SCI, IF 2.841).
  • H. Raza, S. Hayat, X.-F. Pan, On the fault-tolerant metric dimension of convex polytopes, Applied Mathematics and Computation, 339 (2018) 172–185, (SCI, IF 3.092).
  • S. Hayat, S.A. Maitla, H.M. Umair, S. Wang, Distance property of chemical graphs, Hacettepe Journal of Mathematics and Statistics, 47(5) (2018) 1071–1093, (SCI, IF 0.605).
  • H. Raza, S. Hayat, X.-F. Pan, Binary locating-dominating sets in rotationally-symmetric convex polytopes, Symmetry, 10 (2018) 727, (SCI, IF 2.143).
Year 2017
  • S. Hayat, M. Javaid, J. Koolen, Graphs with two main and two plain eigenvalues, Applicable Analysis and Discrete Mathematics, 11 (2017) 244–257, (SCI, 0.967).
  • S. Hayat, Computing distance-based topological descriptors of complex chemical networks: New theoretical techniques, Chemical Physics Letters, 688 (2017) 51–58, (SCI, 1.901).
  • J. Liu, S. Wang, C. Wang, S. Hayat, Further results on computation of topological indices of certain networks, IET Control Theory & Applications, 11 (2017) 2065–2071, (SCI, 3.526).
Year 2016
  • S. Hayat, J. Koolen, F. Liu, Z. Qiao, A note on graphs with exactly two main eigenvalues, Linear Algebra and its Applications, 511 (2016) 318–327, (SCI, IF 0.977).
  • J. Koolen, S. Hayat, Q. Iqbal, Hypercubes are determined by their distance spectra, Linear Algebra and its Applications, 505 (2016) 97–108, (SCI, IF 0.977).
  • J. Koolen, S. Hayat, Q. Iqbal, Corrigendum to “Hypercubes are determined by their distance spectra”, Linear Algebra and its Applications, 506 (2016) 628-629, (SCI, IF 0.977).
  • S. Hayat, H.M.A. Siddiqui, On bipartite edge frustration of carbon and boron nanotubes, Studia UBB Chemia, LIX, 1 (2016) 283–290, (SCI, IF 0.275).
  • M. Imran, S. Hayat, On counting polynomials of certain polyomino chains, Bulgarian Chemical Communications, 48 (2016) 332–337, (SCI, IF 0.242).
  • S. Hayat, M.K. Shafiq, A. Khan, H. Raza, H.M.A. Siddiqui, N. Iqbal, J.-Ul. Rehman, On topological properties of 2D lattices of carbon nanosheets, Journal of Computational and Theoretical Nanoscience*, 13(10) (2016) 6606–6615, (SCI, IF 1.666).
  • L. Yan, Y. Li, S. Hayat, H.M.A. Siddiqui, M. Imran, S. Ahmad, M.R. Farahani, On degree-based and frustration related topological indices of single-walled titania nanotubes, Journal of Computational and Theoretical Nanoscience, 13 (11) (2016) 9027-9032, (SCI, IF 1.666).
Year 2015
  • S. Hayat, M.A. Malik, M. Imran, Computing topological indices of honeycomb derived networks, Romanian Journal of Information Science and Technology, 18 (2015) 144–165, (SCI, 0.661).
  • S. Hayat, A. Khan, F. Yousafzai, M. Imran, Bipartite edge frustration of cactus chains, Optoelectronics and Advanced Materials-Rapid Communications, 9 (2015) 869–872, (SCI, IF 0.452).
  • S. Hayat, A. Khan, F. Yousafzai, M. Imran, Computational results on inertia indices, signature and nullity of C4C8 nanotube, Optoelectronics and Advanced  Materials-Rapid Communications, 9 (2015) 478–481, (SCI, IF 0.452).
  • S. Hayat, A. Khan, F. Yousafzai, M. Imran, M.U. Rehman, On spectrum related topological descriptors of carbon nanocones, Optoelectronics and Advanced Materials-Rapid Communications, 9 (2015) 798–802, (SCI, IF 0.452).
  • M. Imran, S. Hayat, M.K. Shafiq, Valency based topological indices of organosilicon dendrimers and cactus chains, Optoelectronics and Advanced Materials-Rapid Communications, 9 (2015) 821–830, (SCI, IF 0.452).
  • S. Hayat, M. Imran, Computation of certain topological indices of nanotubes covered by C5 and C7, Journal of Computational and Theoretical Nanoscience, 12(4) (2015) 533–541, (SCI, IF 1.666).
  • S. Hayat, M. Imran, On degree based topological indices of certain nanotubes, Journal of Computational and Theoretical Nanoscience, 12(8) (2015) 1599–1605, (SCI, IF 1.666)
  • S. Hayat, A. Khan, F. Yousafzai, Q. Iqbal, Some physic-chemical characteristics of carbon nanotubes: A computational aspect, Journal of Computational and Theoretical Nanoscience, 12(12) (2015) 5095–5102, (SCI, IF 1.666).
  • M.A. Malik, S. Hayat, M. Imran, On the anti-Kekule number of nanotubes and nanocones, Journal of Computational and Theoretical Nanoscience, 12(10) (2015) 3125–3129, (SCI, IF 1.666).
Year 2014
  • S. Hayat, M. Imran, Computation of topological indices of certain networks, Applied Mathematics and Computation, 240 (2014) 213–228, (SCI, IF 3.092).
  • M. Imran, S. Hayat, M.Y.H. Malik, On topological indices of certain interconnection networks, Applied Mathematics and Computation, 244 (2014) 936–951, (SCI, IF 3.092).
  • S. Hayat, M. Imran, On topological properties of nanocones CNCk[n], Studia UBB Chemia, LIX, 4 (2014) 113–128, (SCI, IF 0.275).
  • M. Imran, S. Hayat, M.K. Shafiq, On topological indices of nanostar dendrimers and polyomino chains, Optoelectronics and Advanced Materials-Rapid Communications, 8 (2014) 948–954, (SCI, IF 0.452).
  • M. Imran, S. Hayat, M.K. Shafiq, Computing omega and Sadhana polynomials of carbon nanotubes, Optoelectronics and Advanced Materials-Rapid Communications, 8 (2014) 1218–1224, (SCI, IF 0.452).

* Impact factor of this journal is mentioned of the year in which the correspnding paper was publised.

 

Editorial/Review Activities

Editor of the following journals:

  • Mathematical Aspects of Topological Indices (MATI), published by DergiPark, http://dergipark.gov.tr/mati/board

Referee of the following  journals:

  • Mathematical Reviews-American Mathematical Society (2018-present)
  • Discrete Mathematics (Elsevier–SCI)
  • Graphs and Combinatorics (Springer–SCI)
  • Journal of Combinatrial Optimization (Springer-SCI)
  • Linear and Multilinear Algebra (Taylor & Francis–SCI)
  • Theoretical Computer Science (Elsevier-SCI)
  • Journal of Inequalities and Applications (Springer–SCI)
  • Applied Mathematics and Computation (Elsevier–SCI)
  • IEEE Access (IEEE–SCI)
  • Zeitschrift für Naturforschung A (De Gruyter–SCI)
  • Taiwanese Journal of Mathematics (Mathematical Society of China–SCI)
  • Journal of Molecular Structure (Elsevier-SCI)
  • Journal of Cluster Science (Springer–SCI)
  • Journal of Physical Organic Chemistry (Willey–SCI)
  • Polycyclic Aromatic Compounds (Taylor & Francis–SCI)
  • Canadian Journal of Chemistry (NRC Research Press–SCI)
  • Fullerenes, Nanotubes and Carbon Nanostructures (Taylor & Francis–SCI)
  • Ars Combinatoria (Winnipeg: Utilitas Mathematica Publishing Inc.–SCI)
  • Utilitas Mathematica (Winnipeg: Utilitas Mathematica Publishing Inc.–SCI)
  • Optoelectronics & Advanced Materials-Rapid Communications (INOE–SCI)
  • Journal of Chemistry (Hindawi–SCI)
  • Kuwait Journal of Science (Academic Publication Council–SCI)
  • Applied Sciences (MDPI-SCI)
  • Journal of Applied Mathematics and Computing (Springer–ISI)
  • AKCE International Journal of Graphs and Combinatorics (Elsevier–ESCI)
  • Afrika Matematika (Springer–ESCI)
  • Iranian Journal of Mathematical Chemistry (University of Kashan–ESCI)

 

Research Presentations

Presented papers in the following conferences/workshops:

  • A spectral characterizaton of the s-clique extension of the square grid graphs, The 27th British Combinatrial Conference, University of Birmingham, UK, 29 July to 02 August, 2019
  • Graphs with two main eigenvalues and generalized adjacencny matrices, The 18th AHU-USTC Joint Workshop on Algebraic Combinatorics, Anhui University, China, June 22, 2019.
  • Co-edge-regular graphs which are cospectral with the s-clique extension of the square grid graphs, The 12th AHU-USTC Joint Workshop on Algebraic Combinatorics, Anhui University, China, Dec. 2, 2017.
  • Graphs with exactly two main eigenvalues, Ninth Shanghai Conference on Combinatorics, Shanghai Jiao-Tong University, China, May 24–28, 2017.
  • Hypercubes are determined by their distance spectra, International Workshop on Algebraic Combinatorics, Anhui University, China, Oct. 28-31, 2016.
  • Some results in spectral graph theory, 7th Anhui-USTC Joint Seminar on Algebraic Combinatorics, University of Science and Technology of China, China, Sept. 24, 2016.
  • Hypercubes are determined by their distance spectra, International Workshop on Network Topologies, Tsinghua-Sanya International Mathematical Forum, China, Jul. 11-15, 2016.
  • On topological indices of certain chemical graphs, International Workshop on Discrete Structures, National University of Sciences and Technology, Mar. 5–7, 2014.