Vol. 15 No. 3 (2020)

Articles

• A complete solution to the spectrum problem for graphs with six vertices and up to nine edges

  Emre Kolotoglu

  1-24

  • PDF

• On the uniformity of the approximation for $r$-associated Stirling numbers of the second Kind

  Harold Connamacher, Julia Dobrosotskaya

  25-42

  • PDF

• A classification of isomorphism-invariant random digraphs

  Selim Bahadir, Elvan Ceyhan

  43-74

  • PDF

• Normality of one-matching semi-Cayley graphs over finite abelian groups with maximum degree 3

  Majid Arezoomand, Mohsen Ghasemi

  75-87

  • PDF

• Degree sequence of the generalized Sierpiński ‎graph

  Ali Behtoei, Mahsa Khatibi, Fatemeh Attarzadeh

  88-97

  • PDF

• Bounds of characteristic polynomials of regular matroids

  Martin Kochol

  98-107

  • PDF

• Alternating series of Apéry-type for the Riemann zeta function

  Wenchang Chu

  108-116

  • PDF

• Decomposition of complete tripartite graphs into cycles and paths of length three

  Shanmugasundaram Priyadarsini, Appu Muthusamy

  117-129

  • PDF

• Two properties of maximal antichains in strict chain product posets

  Shen-Fu Tsai

  130-132

  • PDF

• Binomial transforms of the balancing and Lucas-balancing polynomials

  Nazmiye Yilmaz

  133-144

  • PDF