Discrete Mathematics Letters

Research Published in Pakistan

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Pakistan Science Abstract

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ISSN 2664-2557 · 246 indexed records

2022 articles

  1. Combinations as bargraphs
  2. Some explicit expressions for twisted q-analogues of Catalan numbers and polynomials
  3. Some new families of compositions based on big part restrictions
  4. An improved lower bound for the degree Kirchhoff index of bipartite graphs
  5. General Randi c´ index of unicyclic graphs with given number of pendant vertices
  6. A result on the strength of graphs by factorizations of complete graphs
  7. Unrefinable partitions into distinct parts in a normalizer chain
  8. When the Cartesian product of directed cycles is hyper-Hamiltonian
  9. A polynomial-time reduction from the multi-graph isomorphism problem to additive code equivalence
  10. A note on rainbow mean indexes of paths
  11. Periodical burst error correcting codes with decoding error probability
  12. Some combinatorial identities concerning harmonic numbers and binomial coefficients
  13. Non-semiregular bipartite graphs with integer Sombor index
  14. Binomial tribonacci sums
  15. Plethystic exponential calculus and characteristic polynomials of permutations
  16. Upper domatic number of regular graphs
  17. A note on the identification numbers of caterpillars
  18. Relating graph energy and Sombor index
  19. Two explicit formulas for degenerate Peters numbers and polynomials
  20. A curious family of convex benzenoids and their altans
  21. On a conjecture regarding the exponential reduced Sombor index of chemical trees
  22. Trinajstic index
  23. Padmakar-Ivan index of some types of perfect graphs
  24. Steiner Wiener index and line graphs of trees
  25. Multiplicative Sombor index of graphs
  26. Entropy measures of distance matrix
  27. Sombor energy and Huckel rule
  28. Extremal problems for graphical function-indices and f -weighted adjacency matrix
  29. Szeged-like topological indices and the efficacy of the cut method: The case of melem structures
  30. On the Wiener index of two families generated by joining a graph to a tree
  31. Extremal trees for the geometric-arithmetic index with the maximum degree
  32. The harmonic index for trees with given domination number
  33. Minimum distance-unbalancedness of graphs with diameter 2 and given number of edges
  34. Mean Sombor index
  35. Stolarsky-Puebla index
  36. On the vertex-degree based invariants of digraphs
  37. New recurrence relation for partitions into distinct parts
  38. Bounds on the general eccentric distance sum of graphs
  39. Optimal radio labelings of graphs
  40. A relation between Wiener index and Mostar index for daisy cubes
  41. On chromatic vertex stability of 3-chromatic graphs with maximum degree 4
  42. Families of specialized Euler sums
  43. Involutions containing exactly r pairs of intersecting arcs
  44. The automorphism group of the Andrasfai graph
  45. Odd facial total-coloring of unicyclic plane graphs
  46. A binomial formula for evaluating integrals
  47. Gallai-Ramsey number for rainbow S3
  48. Signed total strong Roman domination in graphs
  49. Product of conjugacy classes of complete cycles in the alternating group
  50. Anote on the numberof triangles in graphs without the suspension of a pathon four vertices
  51. Distance signless Laplacian eigenvalues, diameter, and clique number
  52. A Wilf-Zeilberger-based solution to the Basel problem with applications
  53. On the permanental polynomial and permanental sum of signed graphs
  54. Skew dyck paths with catastrophes
  55. On the total chromatic edge stability number and the total chromatic subdivision number of graphs