Research papers published/accepted   

  1. S. Pirzada, Tahir Shamsher, Mushtaq A. Bhat, On the eigenvalues of complete bipartite signed graphs, Ars Mathematica Contemporanea, to appear. SCI-Scopus
  2. S. Pirzada, Saleem Khan, F. Belardo, On the distribution of distance signless Laplacian eigenvalues with given independence and chromatic number, Discussiones Mathematicae Graph Theory, to appear, SCI-Scopus
  3. Merajuddin, P. Kumar, S. Pirzada, V. Trevisan, A unified criterion for distinguishing graphs by their spectral radius, Linear Multilinear Algebra, to appear. SCI, Scopus
  4. Aqib Altaf, S. Pirzada, Ahmad Alghamdi, Eman Almotairi, Extended total graph associated to finite commutative rings, Ukranian Mathematical Journal, to appear. SCI,Scopus
  5. Tahir Shamsher, S. Pirzada, Eigenvalues of the generalized subdivision graph with applications to graph energy, Discrete Math. Algorithms Applications, to appear, ESCI, Scopus
  6. Tahir Shamsher, S. Pirzada, Mushtaq A. Bhat, On the Estrada index of signed graphs, Filomat, to appear, SCI, Scopus
  7. V. Ramanathan, C. Selvaraj, A. Altaf, S. Pirzada, Classification of rings associated with the genus of clean graphs, Algebra Colloquium, to appear. SCI-Scopus
  8. S. Pirzada, Aaqib Altaf, Cliques in the extended zero-divisor graph of finite commutative rings,  Communications Combinatorics Optimization, to appear, ESCI, Scopus
  9. H. S. Ramane, B. Parvathalu, K. Ashoka, S. Pirzada, On families of graphs which are both adjacency equienergetic and distance equienergetic, Indian J. Pure Appl. Math. 55 (2024) 198-209. SCI, Scopus
  10. S. Pirzada, Saleem Khan, Distance Laplacian eigenvalues of graphs and chromatic and independence number, Revista de la Union Matematica Argentina,  67,1 (2024) 145-159. SCI, Scopus
  11. Bilal. A. Rather, Mohammad Imran, S. Pirzada, Sombor index and eigenvalues of comaximal graphs of commutative rings, J. Algebra Applications, 23, 6 (2024) 2450115. SCI, Scopus
  12. Hilal A. Ganie, S. Pirzada, On the first outdegree Zagreb index of a digraph, Discrete Mathematics, 347,1 (2024) 113726 SCI-Scopus
  13. S. Pirzada, Rezwan, Hilal A. Ganie, Leonardo de Lima, On the Ky Fan norm of the signless Laplacian matrix of a graph, Computational Applied Mathematics, 43 (2024) Art 26. SCI, Scopus
  14. T. A. Naikoo, Bilal A. Rather, U. Samee, S. Pirzada, On Zagreb index of tournaments, Kragujevac J. Mathematics, 48, 2 (2024) 241-253. ESCI, Scopus
  15. Bilal A. Rather, Hilal A. Ganie, S. Pirzada, On A-alpha spectrum of joined union of graphs and its applications to power graphs of finite groups, J. Algebra Applications, 22,12 (2023) 2350257. SCI, Scopus
  16. S. Pirzada, Saleem Khan, On the distribution of eigenvalues of the reciprocal distance Laplacian matrix of graphs, Filomat, 37, 23 (2023) 79737980. SCI, Scopus
  17. Saleem Khan, S. Pirzada, A. Somasundaram,  On graphs with distance Laplacian eigenvalues of multiplicity $n-4$, AKCE International J. Graphs Combinatorics, 20, 3 (2023) 282-286. SCI, Scopus
  18. Milica Andelic, Saleem Khan, S. Pirzada, On graphs with a few distinct reciprocal distance Laplacian eigenvalues, AIMS Mathematics, 8,12 (2023) 29008-29016. SCI, Scopus

  19. Bilal A. Rather, S. Pirzada, Zhou Guofei, On distance Laplacian spectra of power graphs of finite groups, Acta Math. Sinica, 39 (2023) 603-617. SCI, Scopus

  20. Tahir Shamsher, Mushtaq A. Bhat, S. Pirzada, Yilun Shang, Ordering of minimal energies in unicyclic signed graphs, Revista de la Union Matematica, Argentina, 65,1 (2023) 119-133. SCI, Scopus

  21.  H. A. Ganie, Rezwan, B. A. Rather, S. Pirzada, On distance Laplacian energy in terms of graph invaraints, Czech Math. Journal, 73 (2023) 335-353. SCI, Scopus
  22. S. Pirzada, Bilal A. Rather, Rezwan Ul Shaban, T. A. Chishti, Signless Laplacian eigenvalues of the zero divisor graph associated to  finite commutative ring $Z_{p^{M_1}q^{M_2}}$, Communications Combinatorics Optimization, 8,3 (2023) 561-574. ESCI, Scopus
  23. S. Pirzada, On the conjecture for the sum of the largest signless Laplacian eigenvalues of a graph-a survey, J. Discrete Math. Applications, 8(3) (2023) 153-163.
  24. M. Aijaz, S. Pirzada, K. Rani, On compressed zero divisor graphs associated to the ring of integers modulo n, Carpathian Mathematical Publications, 15(2) (2023) 552-558. Scopus, ESCI
  25. M. Baghipur,  M. Ghorbani, Hilal A. Ganie, S. Pirzada, On the spread of the generalized adjacency matrix of a graph, Acta Mathematica Universitatis Comenianae, 92, 3 (2023) 197-211. Scopus,ESCI
  26. S. Pirzada, Tahir Shamsher, M. A. Bhat, A note on the class of weighted graphs with strong anti-reciprocal eigenvalue property, Linear Multilinear Algebra, 71, 1 (2023) 1-4. SCI, Scopus
  27. S. Pirzada, Saleem Khan, On Zagreb index, signless Laplacian eigenvalues and signless Laplacian energy of a graph, Computational and Applied Mathematics, 42 (2023) Article No.152, SCI Scopus
  28. S. Bhatnagar, Merajuddin, S. Pirzada, On Laplacian resolvent energy of graphs, Transactions on Combinatorics, 12, 4 (2023) 217-225. ESCI-Scopus
  29. Bilal A. Chat, U. Samee, S. Pirzada, More on the bounds for the skew Laplacian energy of weighted digraphs, Communications Comb. Optimization, 8, 2 (2023) 379-390. Scopus

  30. Bilal A. Rather, S. Pirzada, T. A. Chishti, Ahmad M. Alghamdi, On normalized Laplacian eigenvalues of power graphs associated to finite cyclic groups, Discrete Math. Algorithms Appl. 15,2 (2023) 2250070. Scopus-ESCI

  31. Bilal A. Rather, S. Pirzada, M. Imran Bhat, T. A. Chishti, On Randic spectrum of zero divisor graphs of commutative ring $Z_{n}$, Communications in Combinatorics and Optimization, 8, 1 (2023) 103-113.  Scopus

  32. S. Pirzada, Saleem Khan, On the sum of distance Laplacian eigenvalues of graphs, Tamkang J. Mathematics, 54, 1 (2023) 83-91. ESCI, Scopus

  33. M. Baghipur, M. Ghorbani, S. Pirzada, N. Amraei, On the generalized adjacency spread of a graph, Mathematics, 11, 6 (2023)  1416. SCI, Scopus
  34. Tahir Shamsher, S. Pirzada, Mushtaq A. Bhat, On adjacency and Laplacian cospectral switching non-isomorphic signed graphs, Ars Mathematica Contemporanea, 23,3 (2023) P3.09. SCI, Scopus
  35. S. Pirzada, Shahnawaz Ahmad, On the linear strand of edge ideals of some zero divisor graphs, Communications Algebra,  51 (2023)  620-632. SCI, Scopus
  36. P. Kumar, Merajuddin, S. Pirzada, Computing the sum of k largest Laplacian eigenvalues of tricyclic graphs, Discrete Math. Letters,  11 (2023) 14-18. Scopus
  37. S. Pirzada, A. Altaf, S. Khan, Structure of the zero-divisor graphs associated to the ring of integers modulo n, J. Algebraic Systems, 11,1 (2023) 1-14. Scopus
  38. S. Pirzada, Abrar ul Haq, On the spread of the distance signless Laplacian matrix of a graph, Acta Universitatis Sapientiae Informatica, 15, 1 (2023) 38-45, ESCI
  39. A. Alhevaz, M. Baghipur, S. Pirzada, On the smallest eigenvalue of $D_{\alpha}$ matrix of connected graphs, Linear Multilinear Algebra, 70, 21 (2022) 6478-6499.  SCI, Scopus
  40. Rezwan Ul Shaban, Bilal A. Rather, S. Pirzada, A. Somasundaram, On distance signless Laplacian spectral radius of power graphs of cyclic and dihedral groups, Annales Mathematicae et Informaticae, 55 (2022) 172-183. ESCI-Scopus
  41. S. Pirzada, Bilal A. Rather, M. Aijaz, T. A. Chishti, On distance signless Laplacian spectrum of graphs and spectrum of zero divisor graphs of Z_{n}, Linear Multilinear Algebra, 70 (2022)  3354-3369. SCI, Scopus
  42. S. Pirzada, Hial A. Ganie, A. Alhevaz, M. Baghipur, On spectral spread of generalized distance matrix of a graph, Linear Multilinear Algebra, 70, 15 (2022)  2819-2835.  SCI, Scopus
  43. Hilal A. Ganie, Bilal A. Rather, S. Pirzada, On a conjecture of Laplacian energy of trees, Discrete Math. Algorithms Appl. 14, 6 (2022) 2250009 (18 pages), ESCI, Scopus
  44. S. Pirzada, Bilal A. Wani, Saba Al-Kaseasbeh, Subspace based nonzero component graph of a finite dimensional vector space, Asian European J. Mathematics, 15, 12 (2022)  2250214. Scopus-ESCI
  45. S. Bhatnagar, Merajuddin, S. Pirzada, Computing Laplacian energy, Laplacian-energy-like invariant and Kirchoff index of graphs, Acta Univ. Sapientiae, Informatica, 14, 2 (2022) 185-198. ESCI
  46. S. Pirzada, Aaqib Altaf, Co-unit graphs associated to ring of integers modulo n, Acta Univ. Sapientiae Mathematica, 14, 2 (2022) 98-106. ESCI, Scopus
  47. Bilal A. Rather, S. Pirzada, T. A. Naikoo, On distance signless Laplacian spectra of power graphs of the integer modulo group, Art Discrete Appl. Math. 5 (2022) P2.09. Scopus
  48. Saleem Khan, S. Pirzada, Yilun Shang, On the sum and spread of reciprocal distance Laplacian eigenvalues of graphs in terms of Harary index, Symmetry, 14, 9 (2022)  1937. SCI-Scopus
  49. Bilal  A. Rather, M. Aouchiche, M. Imran, S. Pirzada, On arithmetic-geometric eigenvalues of graphs, Main Group Metal Chemistry,  45 (2022) 111-123, SCI, Scopus

  50. Bilal A. Rather, S. Pirzada, M. Aouchiche, On the spread of the geometric-arithmetic matrix of graphs, AKCE International J. Graphs Combinatorics, 19,2 (2022)  146-153. SCI, Scopus

  51. Merajuddin, S. Bhatnagar, S. Pirzada, On spectral radius and Nordhaus-Gaddum type inequalities of the generalized distance matrix of graphs, Carpathian Mathematical Publications, 14, 1 (2022) 185-193.

  52. S. Pirzada, Bilal A. Rather, Rezwan Ul Shaban and M. Imran Bhat, On distance Laplacian (signless) eigenvalues of commuting graphs of dihedral and dicyclic groups, Springer Proceedings on Algebra and Related Topics with Applications, ICARTA 2019 (2022) 413-425.

  53. M. Baghipur, M. Ghorbani, Hilal A. Ganie, S. Pirzada, On the eigenvalues and spread of the generalized distance matrix of a graph, Computational and Applied Mathematics, 41 (2022) Art. 215. SCI, Scopus 

  54. Saleem Khan, S. Pirzada, Distance signless Laplacian eigenvalues diameter and clique number, Discrete Math. Letters, 10 (2022) 28-31. Scopus

  55. S. Pirzada, Bilal A. Rather, Rezwan Ul Shaban, T. A. Chishti, On the sum of the powers of $A_{\alpha}$ eignvalues of graphs and $A_{\alpha}$-energy like invariant, Boletim da Sociedade Paranaense de Matematica, 40 (2022) .  ESCI, Scopus

  56. S. Pirzada, Bilal A. Rather, M. Aouchiche, On eigenvalues and energy of geometric-arithmetic matrix of graphs, Mediterranean J. Mathematics, 19 (2022) Art. 115. SCI, Scopus
  57. M. Aijaz, S. Pirzada, A. Somasundaram, Zero divisor graphs of unitary R-modules over commutative rings, AKCE International J. Graphs Combinatorics, 19,1 (2022) 69-73. SCI, Scopus
  58. Rameez Raja, S. Pirzada, Essential ideals represented by mod-annihilators of modules, Afrika Mathematica, 33(2022) Art. 52. ESCI, Scopus
  59. S. Pirzada, M. A. Shah, Edy Tri Baskoro, On 2-power unicyclic cubic graphs, Electronic J. Graph Theory Applications, 10, 1 (2022) 343-350. ESCI, Scopus
  60. Rameez Raja, S. Pirzada, On annihilating graphs associated with modules over commutative rings, Algebra Colloquium, 29, 2 (2022) 281-296. SCI, Scopus

  61. S. Pirzada, M. Imran Bhat, On graphs associated to ring of Guassian integers and ring of integers modulo n, Acta Univ. Sapientiae Informatica, 14, 1 (2022) 75-83. ESCI

  62. S. Pirzada, Two upper bounds on the A_\alpha spectral radius of a connected graph, Communication in Combinatorics and Optimization, 7, 1 (2022) 53-57. Scopus

  63. S. Pirzada, A. Altaf, Line graphs of unit graphs associated with the direct product of rings, The Korean J. Mathematics, 30, 1 (2022) 65-72. ESCI

  64. S. Pirzada, Bilal A. Rather, Hilal A. Ganie, Rezwan Ul Shaban, On alpha adjacency energy of graphs and Zagreb index, AKCE International J. Graphs Combinatorics,  18,1 (2021) 39-46. SCI, Scopus

  65. S. Pirzada, Bilal A. Rather, Tariq A. Naikoo, Tariq A. Chishti, On first general Zagreb index of tournaments, Creative Math. Informatics, 30, 2 (2021) 189-196. 

  66. S. Pirzada and Saleem Khan, On distance Laplacian spectral radius and chromatic number of graphs, Linear Algebra Applications,  625 (2021) 44-54. SCI-Scopus.

  67. S. Pirzada, Bilal A. Rather and T. A. Chishti, On distance Laplacian spectrum of zero divisor graphs of $\mathbb{Z}_{n}$, Carpathian Mathematical Publications, 13, 1 (2021) 48-57. ESCI, Scopus  

  68. S. Pirzada, Bilal A. Rather, T. A. Chishti, On normalized Laplacian spectrum of zero divisor graphs of commutative ring Z_n, Electronic J. Graph Theory and Applications,  9, 2 (2021) 331-345. ESCI, Scopus

  69. S. Pirzada, Bilal A. Rather, Rezwan, On graphs with minimal distance signless Laplacian energy, Acta Univ. Sap. Mathematica, 13,2 (2021) 450-467.  ESCI, Scopus

  70. S. Pirzada, Bilal A. Wani, A. Somasundaram, On the eigenvalues of zero divisor graph associated to finite commutative ring $Z_{p^{M}q^{N}}$, AKCE International J. Graphs Combinatorics, 18, 1 (2021) 1-6. SCI, Scopus

  71. A. Alhevaz, M. Baghipur, S. Pirzada, Y. Shang, Some inequalities involving the distance signless Laplacian eigenvalues of graphs, Transactions on Combinatorics, 10, 1 (2021) 9-29.  ESCI, Scopus

  72. A. Alhevaz, M. Baghipur, Y. Alizadeh, S. Pirzada, On eigenvalues of the reciprocal distance signless Laplacian matrix of graphs, Asian European J. Mathematics, 14, 10 (2021) 2150176 (19 pages) ESCI, Scopus

  73. Bilal A. Chat, Hilal A. Ganie, S. Pirzada, Bounds for the skew Laplacian energy of weighted digraphs, Afrika Matematika, 32 (2021) 745-756. ESCI, Scopus

  74. S. Pirzada, Z. Barati and M. Afkhami, On Laplacian spectrum of unitary Cayley graphs, Acta Univ. Sapientiae, Informatica, 13, 2 (2021) 251-264. ESCI

  75. S. P. S. Kainth, Ramanjit, S. Pirzada, Induced star-triangle factors of graphs, Acta Univ. Sap. Mathematica, 13, 1 (2021) 209-216.  ESCI, Scopus

  76. S. Pirzada, On spectral radius of the generalized distance matrix of a graph, Discrete Math. Lett. 7 (2021) 21-23.

  77. S. Pirzada, Aijaz Ahmad, On graphs with same metric and upper dimension, Discrete Math. Algorithms Applications, 13, 2 (2021) 2150015.  ESCI, Scopus

  78. S. Pirzada, Bilal A. Rather, Rezwan, Merajuddin, On signless Laplacian spectrum of the zero divisor graph of the ring $Z_{n}$, The Korean J. Mathematics, 29, 1 (2021) 13-24. ESCI

  79. K. Selvakumar, M. Subajini, S. Pirzada, Domination in generalized Cayley graph of commutative rings, J. Mathematical Study, 54, 4 (2021) 427-434.  ESCI, Scopus

  80. Bilal A. Rather, S. Pirzada, T. A. Naikoo, Y. Shang, On Laplacian eigenvalues of the zero-divisor graph associated to the ring of integers modulo n, Mathematics, 9, 5 (2021) 482. SCI, Scopus

  81. S. Pirzada, Tahir Shamsher and Mushtaq A. Bhat, On ordering of minimal energies in bicyclic signed graphs, Acta Univ. Sap. Informatica, 13, 1 (2021)  86-121. ESCI

  82. Hilal A. Ganie, S. Pirzada and Vilmar Trevisan, On the sum of k largest Laplacian eigenvalues of a graph and clique number, Mediterranean J. Mathematics, 18 (2021) Article No. 15.  SCI, Scopus

  83. A. Alhevaz, M. Baghipur, Hilal A. Ganie and S. Pirzada, Brouwer type conjecture for the eigenvalues of distance signless Laplacian matrix of a graph, Linear Multilinear Algebra, 69, 13 (2021) 2423-2440.  SCI, Scopus

  84. Hilal A. Ganie, S. Pirzada, Bilal A. Chat and X. Li, On skew Laplacian spectrum and energy of digraphs, Asian European J. Mathematics, 14, 4 (2021) 2150051.  ESCI, Scopus

  85. Hilal A. Ganie, S. Pirzada, Bilal A. Rather, Rezwan Ul Shaban, On Laplacian eigenvalues of graphs and Brouwer's conjecture, J. Ramanujan Math. Soc. 36,1 (2021) 13-21. SCI, Scopus

  86. A. Alhevaz, M. Baghipur and S. Pirzada, On distance signless Laplacian Estrada index and energy of graphs, Kragujevac J. Mathematics, 45, 6 (2021) 837-858. ESCI, Scopus

  87. S. Pirzada, Hilal A. Ganie, Bilal A. Chat, On real or integral skew Laplacian spectrum of digraphs, Operators and Matrices, 14, 4 (2020) 795-813.  SCI, Scopus

  88. S. Pirzada, Hilal A. Ganie, A. Alhevaz and M. Baghipur, On sum of the powers of distance signless Laplacian eigenvalues of graphs, Indian J. Pure and Applied Mathematics, 51,3 (2020) 1143-1163.  SCI, Scopus

  89. S. Pirzada, Hilal A. Ganie, Bilal A. Rather, Rezwan Ul Shaban, On generalized distance energy of graphs, Linear Algebra Applications, 603, (2020) 1-19.  SCI, Scopus

  90. Mushtaq A. Bhat and S. Pirzada, On unicyclic graphs with given number of pendent vertices and minimal energy, Linear Algebra Applications, 597 (2020) 86-93.  SCI, Scopus

  91. T. A. Naikoo, S. Pirzada, U. Samee, Bilal A. Rather, On degree sets in k-partite graphs, Acta Univ. Sapientiae, Informatica, 12, 2 (2020) 251-259. ESCI

  92. Hilal A. Ganie, S. Pirzada, Bilal A. Rather and Vilmar Trevisan, Further developments on Brouwer's conjecture for the sum of Laplacian eigenvalues of graphs, Linear Algebra Applications, 588 (2020) 1-18.  SCI, Scopus

  93. Mushtaq A. Bhat, S. Pirzada and Juan Rada, On spectra and real energy of complex weighted digraphs, Linear Multilinear Algebra, 68, 5 (2020) 1064-1076.  SCI, Scopus

  94. S. Pirzada, Bilal A. Rather, Hilal A. Ganie and Rezwan Ul Shaban, On the generalized distance spectral radius of a bipartite graph, Matematicki Vesnik, 72, 4 (2020) 327-336.  ESCI, Scopus

  95. S. Pirzada, M. Aijaz and Shane Redmond, Upper dimension and bases of zero divisor graphs of commutative rings, AKCE International J. Graphs and Combinatorics, 17, 1 (2020) 168-173.  SCI, Scopus

  96. S. Pirzada, M. Aijaz and M. Imran Bhat, On zero divisor graphs of the rings Z_{n}, Afrika Matematica, 31 (2020) 727-737.  ESCI, Scopus

  97. S. Pirzada and M. Aijaz, Metric and upper dimension of zero divisor graphs associated to commutative rings, Acta Univ. Sapientiae, Informatica, 12, 1 (2020) 84-101. ESCI

  98. S. Pirzada, M. Aijaz and S. P. Redmond, On upper dimension of graphs and their bases sets, Discrete Math. Letters, 3 (2020) 37-43.

  99. M. Aijaz Ahmad and S. Pirzada, On annihilating-Ideal graphs of commutative rings, Asian-European J. Mathematics,  13, 7 (2020) 2050121 (12 pages).  ESCI, Scopus

  100. M. Imran, S. Pirzada, Ahmad Al Ghamdi, On planarity of compressed zero divisor graphs associated to commutative rings, Creative Mathematics Informatics, 29, 2 (2020) 131-136. 

  101. S. Pirzada and Mushtaq A. Shah, Construction of Barnette graphs whose large subgraphs are non Hamiltonian, Acta Univ. Sapientiae, Mathematica, 11, 2 (2019) 363-370.  ESCI, Scopus

  102. Mushtaq A. Bhat, T. A. Naikoo and S. Pirzada, On cospectral signed graphs, Algebra and Discrete Mathematics, 27, 2 (2019) 191-201.  ESCI, Scopus

  103. Hilal A. Ganie, S. Pirzada and Ahmad M. Alghamdi, Bounds for graph energy in terms of vertex covering and clique numbers, Electronic J. Graph Theory Appl. 7, 2 (2019) 315-328.  ESCI, Scopus

  104. S. Pirzada, Hilal A. Ganie and Ahmad Alghamdi, On the sum of signless Laplacian spectra of graphs, Carpathian Math. Publications, 11, 2 (2019) 407-417. ESCI-Scopus

  105. M. Imran Bhat and S. Pirzada, On strong metric dimension of zero divisor graphs of rings, The Korean J. Mathematics, 27, 3 (2019) 563-580.  ESCI

  106. K. K. Kayibi, U. Samee, S. Pirzada and Merajuddin, Generalized dominoes tilings Markov chain mixes fast, J. Applied Math. Informatics, 37, 5-6 (2019) 469-480. ESCI

  107. Hilal A. Ganie, U. Samee and S. Pirzada, On graph energy, maximum degree and vertex cover number, Le Matematiche, 74, 1 (2019) 163-172. ESCI-Scopus

  108. Hilal A. Ganie, S. Pirzada, Rezwan and X. Li, Upper bounds for the sum of Laplacian eigenvalues of a graph and Brouwer's conjecture, Discrete Math. Algorithms Applications, 11, 2 (2019) 195008 (15 pages). ESCI-Scopus

  109. Y. Gaidhani, C. Deshpande and S. Pirzada, Energy of a semigraph, AKCE International J. Graphs and Combinatorics, 16, 1 (2019) 41-49. SCI-Scopus

  110. Bilal A. Chat, Hilal A. Ganie and S. Pirzada, Bounds for the skew Laplacian spectral radius of an oriented graph, Carpathian J. Mathematics, 35, 1 (2019) 31-40. SCI-Scopus

  111. Bilal A. Chat, S. Pirzada, A sufficient condition for r-graphic sequences to be potentially $K^{(r)}_{l,m}$, J. Disc. Math. Sc. Cryp. 22, 1 (2019) 1-8. ESCI-Scopus

  112. Hilal A. Ganie, Bilal A. Chat and S. Pirzada, On skew Laplacian spectra and skew Laplacian energy of digraphs, Kragujevec J. Mathematics, 43, 1 (2019) 87-98. ESCI-Scopus

  113. K. K. Kayibi, S. Pirzada and M. A. Khan, Sampling k-partite graphs with a given degree sequence, Acta Univ. Sap. Informatica, 10, 2 (2018) 183-217. ESCI

  114. S. Pirzada and M. Imran, Computing metric dimension of compressed zero divisor graphs associated to rings, Acta Univ. Sap. Mathematica, 10, 2 (2018) 298-318. ESCI-Scopus

  115. K. K. Kayibi, S. Pirzada and M. A. Khan, Rejection sampling of bipartite graphs with given degree sequence, Acta Univ. Sap. Mathematica, 10, 2 (2018) 249-275. ESCI-Scopus

  116. Mushtaq A. Bhat, U. Samee and S. Pirzada, Bicyclic signed graphs with minimal and second minimal energy, Linear Algebra Applications, 551, 8 (2018) 18-35. SCI-Scopus

  117. Koko K. Kayibi and S. Pirzada, T-tetrominoes tiling's Markov chain mixes fast, Theoretical Computer Science, 714 (2018) 1-14. SCI-Scopus

  118. Koko K. Kayibi, S. Pirzada and T. A. Chishti, Sampling contingency tables, AKCE International J. Graphs and Combinatorics, 15, 3 (2018) 298-306. SCI-Scopus

  119. Hilal A. Ganie, Bilal A. Chat and S. Pirzada, Signless Laplacian energy of a graph and energy of a line graph, Linear Algebra Applications, 544 (2018) 306-324. SCI-Scopus

  120. Bilal A. Chat and S. Pirzada, On potentially graphic sequences of G-E(H), Analysis in Theory and Applications, 34, 2 (2018) 187-198. 

  121. Shehnaz Akhter, Rashid Farooq, S. Pirzada, Exact formulae of general sum-connectivity index for some graph operations, Math. Vesnik, 70, 3 (2018) 267-282. ESCI-Scopus

  122. Koko K. Kayibi and S. Pirzada, Cyclic flats and corners of the linking polynomial, Acta Univ. Sap. Math. 10, 1 (2018) 189-197. ESCI-Scopus

  123. S. Pirzada and U. Samee, On imbalances in multipartite multi digraphs, Electronic J. Graph Theory Appl. 6, 1 (2018) 84-94. ESCI-Scopus

  124. Hilal A. Ganie, S. Pirzada, Corrigendum to "On the sum of the Laplacian eigenvalues of a graph and Brouwer's conjecture” [Linear Algebra Applications, 501 (2016) 376-389], Linear Algebra Applications, 538, 1 (2018) 228-230. SCI-Scopus

  125. Mushtaq A. Bhat and S. Pirzada, Unicyclic signed graphs with minimal energy, Discrete Appl. Math., 226 (2017) 32-39. SCI-Scopus

  126. S. Pirzada and Hilal A. Ganie, On the bounds of signless Laplacian energy of a graph, Discrete Appl. Math., 228 (2017) 3-13. SCI-Scopus

  127. S. Pirzada and Tariq A. Naikoo, Tournaments, oriented graphs and football sequences, Acta. Univ. Sap. Math., 9 (1) (2017) 213-223. ESCI-Scopus

  128. S. Pirzada, Semicomplete directed k-hypergraphs and their scores, Indian J. Discrete Math., 3, 2 (2017) 1-6.

  129. S. Pirzada and Hilal A. Ganie, Brouwer’s conjecture on the sum of Laplacian eigenvalues of a graph, 15th Cologne-Twente Workshop on Graphs and Combinatorial Optimization (CTW 2017), University of Cologne, Cologne, Germany, from June 6-8, 2017, 121-125.

  130. S. Pirzada and Bilal A. Chat, On multigraphic and potentially multigraphic sequences, Acta. Univ. Sap. Informatica, 9 (1) (2017) 35-48. ESCI

  131. S. Pirzada, Bilal A. Chat, The condition for a sequence to be potentially $A_{L,M}$-graphic, Transactions on Combinatorics,  6, 1 (2017) 21-27. ESCI-Scopus

  132. H. Belbachir, H. Harek and S. Pirzada, Determining Lucas identities by using Hosoya index, Creative Mathematics and Informatics, 26, 2 (2017) 147-153.

  133. S. Pirzada and Rameez Raja, On the metric dimension of a zero divisor graph, Communications Algebra, 45, 4 (2017) 1399-1408. SCI-Scopus

  134. S. Pirzada and Rameez Raja, On graphs associated with modules over commutative rings, J. Korean Math. Soc., 53, 5 (2016) 1167-1182. SCI-Scopus

  135. Hilal A. Ganie, Ahmad M. Alghamdi and S. Pirzada, On the sum of the Laplacian eigenvalues of a graph and Brouwer’s conjecture, Linear Algebra Applications, 501 (2016) 376-389. SCI-Scopus

  136. Mushtaq A. Bhat and S. Pirzada, Spectra and energy of bipartite signed digraphs, Linear MultiLinear Algebra, 64, 9 (2016) 1863-1877. SCI-Scopus

  137. Koko K. Kayibi and S. Pirzada, On the activities of p-basis of matroid perspectives, Discrete Mathematics, 339, 6 (2016) 1629-1639. SCI-Scopus

  138. Rameez Raja, S. Pirzada and S. Redmond, On locating numbers and codes of zero divisor graphs associated with commutative rings, J. Algebra Applications, 15, 1 (2016) 1650014 (22 pages). SCI-Scopus

  139. S. Pirzada, Hilal A. Ganie and Ivan Gutman, Comparison between Laplacian-energy-like invariant and Kirchhoff index, Electronic J. Linear Algebra, 31 (2016) 27-41. SCI-Scopus

  140. S. Pirzada, Hilal A. Ganie and Merajuddin, On some covering graphs of a graph, Electronic J. Graph Theory and Applications, 4, 2 (2016) 132-147. ESCI-Scopus

  141. Koko K. Kayibi, S. Pirzada and Ahmad M. Alghamdi, Linear relations on the coefficients of the linking polynomial, Creative Mathematics and Informatics, 25, 2 (2016) 177-182.

  142. Rashid Farooq, Mehar Ali Malik, Qudsia Naureen and S. Pirzada, On the nullity of a family of tripartite graphs, Acta Universitatis Sapientiae, Informatica, 8, 1 (2016) 96−107. ESCI

  143. S. Pirzada and Hilal A. Ganie, On the Laplacian eigenvalues of a graph and Laplacian energy, Linear Algebra Applications, 486 (2015) 454-468. SCI-Scopus

  144. S. Pirzada and Hilal A. Ganie, On the construction of L-equienergetic graphs, AKCE International J. Graphs and Comb., 12, 2 (2015) 141-154. SCI-Scopus

  145. Mushtaq A. Bhat and S. Pirzada, On equienergetic signed graphs, Discrete Applied Mathematics, 189 (2015) 1-7. SCI-Scopus

  146. S. Pirzada and T. A. Naikoo, Signed degree sequences in signed multipartite graphs, Hacettepe J. Math. and Stat., 44, 5 (2015) 1099-1108. SCI-Scopus

  147. S. Pirzada and Hilal A. Ganie, Spectra, energy and Laplacian energy of strong double graphs, Springer Proceedings of Mathematics and Statistics, Mathematical Technology of Networks, D. Mugnolo (ed.) 128, DOI 10.1007/978-3-319-16619-3_12. Springer International Publishing, Switzerland, 175-189. SCI

  148. S. Pirzada, Rameez Raja and Ivanyi Antal, On the scores and degrees in hypertournaments, Acta Univ. Sap. Informatica, 7, 2 (2015) 200-215. ESCI

  149. S. Pirzada, F. A. Dar and Ivanyi Antal, Existence of bipartite and tripartite graphs with given degree set, Applied Discrete Mathematics and Heuristic Algorithms, 1, 1 (2015) 62-72.

  150. S. Pirzada and Hilal A. Ganie, On Laplacian-Energy-Like invariant and incidence energy, Transactions on Combinatorics, 4, 3 (2015) 41-51. ESCI-Scopus

  151. S. Pirzada, Bilal A. Chat and Farooq A. Dar, Graphical sequences of some of induced subgraphs, J. Algebra Comb. Disc. Appl., 2, 2 (2015) 21-35. ESCI-Scopus

  152. S. Pirzada, Hilal A. Ganie and I. Gutman, On Laplacian–Energy–Like Invariant and Kirchhoff Index, MATCH Commun. Math. Comp. Chem., 73, 1 (2015) 41-59. SCI-Scopus

  153. Ivanyi Antal, S. Pirzada and F. A. Dar, Tripartite graphs with given degree set, Acta Univ. Sap. Informatica, 7, 1 (2015) 72-106. ESCI

  154. T. A. Chishti and S. Pirzada, Marks sequences in multipartite multidigraphs, International J. Math. and Stat., 16, 1 (2015), 106-115.

  155. S. Pirzada, M. A. Khan, Zhou Guofei and Koko K. Kayibi, On losing scores, scores and total scores in k-hypertournaments, Electronic J. Graph Theory Applications, 3, 1 (2015) 8-21. ESCI-Scopus

  156. S. Pirzada, Hilal A. Ganie and Edy T. Baskoro, On energy, Laplacian energy and p-fold graphs, Electronic J. Graph Theory Applications, 3, 1 (2015) 94-107. ESCI-Scopus

  157. T. A. Chishti, Hilal A. Ganie and S. Pirzada, Properties of Strong Double Graphs, Journal of Discrete Mathematical Sciences & Cryptography, 17, 4 (2014) 311-319. ESCI-Scopus

  158. S. Pirzada, Rameez Raja, S. Redmond, Locating sets and numbers of some graphs associated to commutative rings, J. Algebra and Applications, 13, 7 (2014) 1450047. SCI-Scopus

  159. S. Pirzada and Mushtaq A. Bhat, Energy of signed digraphs, Discrete Applied Math., 169 (2014) 195-205. SCI-Scopus

  160. Bilal A. Chat, S. Pirzada and Ivanyi Antal, Recognition of split-graphic sequences, Acta Univ. Sap. Informatica, 6, 2 (2014) 199-233. ESCI

  161. Hilal A. Ganie S. Pirzada, Ivanyi Antal, Energy and Laplacian energy of double graphs and new families of equienergetic graphs, Acta Univ. Sap. Informatica, 6, 1 (2014) 89-116. ESCI

  162. S. Pirzada and Zhou Guofei, Degree lists in k-bipartite hypertournaments, TWMS J. Pure and Applied Mathematics, 5, 2 (2014) 89-116. ESCI

  163. Tariq A. Chishti, Zhou Guofei, S. Pirzada and Ivanyi Antal, On vertex and edge independence numbers of regular hypergraphs, Acta Univ. Sap. Informatica, 6, 1 (2014) 132-158. ESCI

  164. S. Pirzada and Bilal A. Chat, Potentially graphic sequences of split graphs, Kragujevac J. Mathematics, 38, 1 (2014) 73-81. ESCI-Scopus

  165. S. Pirzada, Mushtaq A. Bhat, I. Gutman and J. Rada, On the energy of digraphs, J. International Mathematical Virtual Institute, 3 (2013) 69-76.

  166. K. K. Kayibi and M. A. Khan and S. Pirzada, Uniform sampling of k-hypertournaments, Linear and Multilinear Algebra, 61, 1 (2013) 123-138. SCI-Scopus

  167. S. Pirzada, Hypertournaments-Scores, losing scores, total scores and degrees, J. Comp. Math. Comb. Comp., 84 (2013) 95-108.

  168. S. Pirzada, M. A. Khan and Sapathkumar, Coloring of signed graphs, 12th Cologne-Twente Workshop on Graphs and Combinatorial Optimization (CTW 2013), University of Twente, Enschede, Netherlands, from May 21-23, 2013, 191-195.

  169. Ivanyi Antal, Tamas Matuszka, Lorand Lucz and S. Pirzada, Parallel Erdos-Gallai algorithm, Acta Univ. Sap. Informatica, 4, 2 (2012) 260-288. ESCI

  170. Zhou Guofei, C. Yaojun, M. Zhengke and S. Pirzada, A note on planar Ramsey numbers for a triangle versus wheels, Disc. Math. Theor. Comp. Sc., 14, 2, (2012) 255-260. SCI-Scopus

  171. S. Pirzada and Ivanyi Antal, Minimal digraphs with given imbalance sequence, Acta. Univ. Sap. Math., 4, 1 (2012) 61-76. ESCI-Scopus

  172. S. Pirzada, Signed degree sequences in signed graphs, J. Combinatorics Information System Science, 37, 2-4 (2012) 333-358.

  173. S. Pirzada, Score lists in bipartite multi hypertournaments, Math. Vesnik, 64, 4 (2012) 286-296. ESCI-Scopus

  174. K. K. Kayibi and S. Pirzada, Planarity, Symmetry and counting tilings, Graphs and Comb. 28, 4 (2012) 483-497. SCI-Scopus

  175. S. Pirzada, K. Kayibi and Nasir Shah, Tripartite multi digraphs and imbalances, Kragujevic J. Math., 36, 1 (2012) 85-94. ESCI-Scopus

  176. M. A. Khan, S. Pirzada and K. K. Kayibi, Scores, inequalities and regular hypertournaments, J. Math. Inequal. Appl. 15, 2 (2012) 343-351. SCI-Scopus

  177. S. Pirzada, Ivanyi Antal and N. A. Shah, Imbalances of bipartite multitournaments, Annales Univ. Sci. Budapest., Sect. Comp. 37 (2012) 215- 228.

  178. S. Pirzada and T. A. Naikoo, Mark sets in 2-digraphs, Applied and Comp. Math. 10, 2 (2011) 283- 288. SCI

  179. S. Pirzada, Optimum allocation in multivariate two stage sampling: A geometric programming approach, Proc. Annual Inter. Conference on Operations Research and Statistics(ORS2011), Penang, Malaysia, 164-167.

  180. S. Pirzada, Abdulaziz alAssaf and K. K. Kayibi, Imbalances in oriented multipartite graphs, Acta Univ. Sapientiae, Mathematica, 3 , 1 (2011) 34-42. ESCI-Scopus

  181. S. Pirzada, On scores in multipartite hypertournaments, Eurasian Mathematical Journal, 2, 1 (2011) 112-119. ESCI-Scopus

  182. S. Pirzada, U. Samee, T. A. Naikoo and Merajuddin, Inequalities on marks in multidigraphs, Italian J. Pure and Applied Mathematics, 28 (2011) 83-92. ESCI

  183. S. Pirzada, T. A. Naikoo, N. A. Shah, Imbalances in oriented tripartite graphs, Acta Mathematica Sinica, 27, 5 (2011) 927-932. SCI-Scopus

  184. S. Pirzada, U. Samee, T. A. Naikoo and A. Ivanyi, Imbalances in directed multigraphs, Acta Univ. Sapientiae, Mathematica, 2, 2 (2010) 133-145. ESCI-Scopus

  185. S. Pirzada, Zhou Guofei and A. Ivanyi, Score lists in multipartite hypertournaments, Acta Univ. Sapientiae, Informatica, 2, 2 (2010) 184-193. ESCI

  186. S. Pirzada and Zhou Guofei, On k-hypertournament losing scores, Acta Univ. Sapientiae, Informatica, 2, 1 (2010) 5-9. ESCI

  187. Merajuddin, P. Ali, Ajaz Kermani and S. Pirzada, On self complementary weakly chordal graphs, J. Zhejiang University, 37, 2 (2010) 131-136.

  188. S. Pirzada and T. A. Chishti, Almost A-Statistical Convergence in normed linear spaces, Italian J. Pure and Applied Mathematics, 25 (2009) 219-226. ESCI

  189. S. Pirzada, T. A. Chishti and T. A. Naikoo, Score lists in [h,k] bipartite hypertournaments, Discrete Mathematics and Applications, 19, 3 (2009) 321- 328. ESCI-Scopus

  190. S. Pirzada and U. Samee, Mark sequences in tripartite multidigraphs, J. Applied Mathematics and Informatics, 27, 5-6 (2009) 1405-1410. ESCI

  191. S. Pirzada, Frucht graph is not hyperenergetic, Intelligent Infor. Management, 1, 2(2009) 121- 122.

  192. S. Pirzada, Degree sequences in multi hypertournaments, Applied Mathematics: J. Chinese Universities, 24, 3 (2009) 350-354. SCI-Scopus

  193. S. Pirzada, Imbalances in digraphs, Kragujevic J. Mathematics, 31 (2008) 143-146. ESCI-Scopus

  194. S. Pirzada, Merajuddin and U. Samee, Inequalities in oriented graph scores, Bull. Allahabad Mathematical Society, 23, 2, (2008) 389-395.

  195. S. Pirzada and Zhou Guofei, Score sequences in oriented k-hypergraphs, European J. Pure and Applied Mathematics, 1, 3 (2008) 10-20. ESCI-Scopus

  196. S. Pirzada, Merajuddin and U. Samee, On oriented graph scores, Matematicki Vesnik, 60 , 3 (2008) 187-191. ESCI-Scopus

  197. S. Pirzada, Energy of planar graphs, J. Korean Society of Indus. and Appl. Math. 12, 1 (2008) 7-11. ESCI

  198. Zhou Guofei and S. Pirzada, Degree sequences in oriented k-hypergraphs, J. Applied Mathematics and Computing, 27 (2008) 149-158. SCI-Scopus

  199. S. Pirzada, Merajuddin and U. Samee, Mark sequences in 2-digraphs, J. Applied Mathematics and Computing, 27 (2008) 379-391. SCI-Scopus

  200. S. Pirzada N. A. Shah, Kings and serfs in oriented graphs, Math. Slovaca, 58, 3 (2008) 277-288. SCI-Scopus

  201.  S. Pirzada and I. Gutman, Energy of a graph is never the square root of an odd integer, Applicable Analysis and Discrete Mathematics, 2 ,1 (2008) 118-121. SCI-Scopus

  202. S. Pirzada, T. A. Naikoo and F. A. Dar, A Note on signed degree sets in signed bipartite graphs, Applicable Analysis and Discrete Mathematics, 2, 1 (2008) 114-117. SCI-Scopus

  203. S. Pirzada and T. A. Naikoo, Score sets for oriented graphs, Applicable Analysis and Discrete Mathematics, 2, 1 (2008) 107-113. SCI-Scopus

  204. S. Maqbool and S. Pirzada, Use of separable programming in multivariate allocation problem, J. Contemporary Mathematics, 1, 1 (2008) 79-93.

  205. S. Pirzada, Applications of Graph Theory, Proceedings in Applied Mathematics and Mechanics, 7, 1 (2007) 2070013-2070014.

  206. S. Pirzada, T. A. Naikoo and F. A. Dar, Signed degree sequences in signed bipartite graphs, AKCE International J. Graphs and Combinatorics, 4, 3 (2007) 301-312. SCI

  207. S. Pirzada, Merajuddin and T. A. Naikoo, Score sets in oriented tripartite graphs, Analysis in Theory and Applications, 23, 4 (2007) 363-374.

  208. S. Pirzada and F. A. Dar, Signed degree sets in signed tripartite graphs, Math. Vesnik, 59, 3 (2007) 121-124. ESCI-Scopus

  209. S. Pirzada and A. Dharwadker, Applications of Graph Theory, J. Korean Society of Industrial and Applied Math. 11, 4 (2007) 19-38. ESCI

  210. Merajuddin, S. A. K. Kermani, Parvez Ali and S. Pirzada, Cospectral and hyperenergetic self complementary comparability graphs, J. Korean Society of Industrial and Applied Mathematics, 11, 3 (2007) 65-75. ESCI

  211. S. Pirzada, T. A. Naikoo and F. A. Dar, Signed degree sets in signed graphs, Czech. Mathematical Journal, 57, 3 (2007) 843-848. SCI-Scopus

  212. S. Pirzada, U. Samee, Merajuddin and T. A. Naikoo, Mark sequences in bipartite 2-digraphs, International J. Mathematical Sciences, 6, 1 (2007) 97-105.

  213. S. Pirzada, T. A. Naikoo and Zhou Guofei, Score lists in tripartite hypertournaments, Graphs and Combinatorics, 23, 4 (2007) 445-454. SCI-Scopus

  214. S. Pirzada, U. Samee and Merajuddin, Mark sequences in 3-partite 2-digraphs, J. Korean Soc. of Industrial and Applied Mathematics, 11, 1 (2007) 41-56. ESCI

  215. S. Pirzada, Mark sequences in multidigraphs, Discrete Mathematics and Applications, 17, 1 (2007) 71-76. ESCI-Scopus

  216. S. Pirzada and F. A. Dar, Signed degree sequences in signed tripartite graphs, J. Korean Society of Industrial and Applied Mathematics, 11, 2 (2007) 9-14. ESCI

  217. S. Pirzada, T. A. Naikoo and N. A. Shah, Score sequences in oriented graphs, J. Applied Mathematics and Computing, 23, 1-2 (2007) 257-268. SCI-Scopus

  218. S. Pirzada and Zhou Guofei, Score lists in (h,k)-bipartite hypertournaments, Applied Mathematics, J. Chinese Universities, Series B, 22, 4 (2007) 485-489. SCI-Scopus

  219. S. Maqbool and S. Pirzada, Optimum allocation in multivariate two stage sampling: An analytical approach, J. Analysis and Computation, 3, 1 (2007) 87- 92.

  220. S. Pirzada and Bilal A. Bhat, Some more results in coding theory, J. Korean Society of Industrial and Applied Mathematics, 10, 2 (2006) 123-131. ESCI

  221. S. Pirzada and S. Maqbool, Integer solution to the allocation problem in stratified sampling, East West J. Mathematics, 8, 1 (2006) 77-82. ESCI

  222. S. Pirzada and U. Samee, Mark sequences in digraphs, Seminare Lotharingien de Combinatoire, 55(2006) Art.B55c. ESCI-Scopus

  223. S. Maqbool and S. Pirzada, Compromise allocation in multivariate surveys: an integer solution, International J. of Computing and Applications, 1, 2 (2006) 103- 110.

  224. S. Pirzada and Yin Jianhua, Degree sequences in graphs, J. Math. Study, 39, 1 (2006) 25-31. ESCI

  225. S. Pirzada and T. A. Naikoo, Inequalities on marks in digraphs, J. Mathematical Inequalities and Applications, 9, 2 (2006) 189-198. SCI-Scopus

  226. S. Pirzada and T. A. Naikoo, Score sets in tournaments, Vietnam J. Math., 34, 2 (2006) 157-161. ESCI-Scopus

  227. S. Pirzada and T. A. Naikoo, Score sets in k-partite tournaments, J. Applied Mathematics and Computing, 22, 1-2 (2006) 237-245. SCI-Scopus

  228. S. Pirzada, T. A. Naikoo and T. A. Chishti, Score sets in oriented bipartite graphs, Novi Sad J. Mathematics, 36, 1 (2006) 35-45.

  229. S. Pirzada and Bilal A. Bhat, On personal probability codes in useful information, J. Korean Society of Industrial and Applied Mathematics, 10, 1 (2006) 91-98. ESCI

  230. S. Pirzada and T. A. Naikoo, Score sets in oriented k-partite graphs, AKCE International J. Graphs and Combinatorics, 3, 2 (2006) 135-145. ESCI-Scopus

  231. S. Maqbool and S. Pirzada, Allocation to response and non-response groups in two variants stratified sampling, Nihonkai Mathematical Journal, 16, 2 (2005)135-143.

  232. Abul Basar Khan, Bilal Ahmad and S. Pirzada, Some results on generalized useful information measure, J. Inequalities in Pure and Applied Mathematics, 6, 4, Art.117 (2005). ESCI-Scopus

  233. S. Pirzada and T. A. Naikoo, Degree frequencies in oriented graphs, Thai. J. Math., 2 (2004) 87- 98. ESCI-Scopus

  234. S. Pirzada, Construction of oriented graphs, Proc. Graph Theory and its Applications, (Balakrishnan, Wilson and Sethuraman, Eds ) Narosa (2004) 146-149.

  235. S. Pirzada and S. Maqbool, Optimal allocation in multivariate sampling through Chebyshev approximation, Bull. Malaysian Math. Sc. Soc., 26, 2 (2003) 1- 10. SCI-Scopus

  236. S. Pirzada, Simple score sequences in oriented graphs, Novi Sad J. Mathematics, 33, 1 (2003) 25-29.

  237. S. Pirzada, Merajuddin and Yin Jianhua, On the scores of oriented bipartite graphs, J. Math. Study, 33, 4 (2000) 354-359. ESCI-Scopus

  238. S. Pirzada and Merajuddin, Score lists in oriented tripartite graphs, Novi Sad J. Mathematics, 26, 2 (1996) 1-9.

  239. S. Pirzada, Self converse score lists in oriented graphs, J. China Univ. of Science and Tech. 26, 3 (1996) 392-394. Scopus