publications

2024

  1. Preprint
    On the Terwilliger algebra of the group association scheme of the symmetric group Sym(7)
    Allen Herman, Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    Submitted, 2024
  2. Preprint
    On the size of cocliques of some Cayley graphs of GL_2(q)
    Andriaherimanana Sarobidy Razafimahatratra
    Submitted, 2024
  3. Preprint
    On the maximum intersecting sets of the general semilinear group of degree 2
    Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    arXiv preprint arXiv:2402.17687, 2024
  4. Hamiltonicity of certain vertex-transitive graphs revisited
    Klavdija Kutnar, Dragan Marušič, and Andriaherimanana Sarobidy Razafimahatratra
    Discrete Math. (to appear), 2024
  5. The intersection density of non-quasiprimitive groups of degree 3p
    Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    Discrete Math. (accepted), 2024
  6. Infinite families of vertex-transitive graphs with prescribed Hamilton compression
    Klavdija Kutnar, Dragan Marušič, and Andriaherimanana Sarobidy Razafimahatratra
    Annals Combin., 2024
  7. On the intersection spectrum of PSL_2(q)
    Angelot Behajaina, Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    J. Algebraic Combin., 2024
  8. On cocliques in commutative Schurian association schemes of the symmetric group
    Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    Australasian J. Combin., 2024
  9. Intersection density of imprimitive groups of degree pq
    Angelot Behajaina, Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    J. Combin. Theory Ser. A, 2024
  10. A short note on non-diagonalizable vertex-primitive digraphs
    Andriaherimanana Sarobidy Razafimahatratra
    Australas. J. Combin., 2024
  11. The q-Analogue of Zero Forcing for Certain Families of Graphs
    Shaun Fallat, Neha Joshi, Roghayeh Maleki, Karen Meagher, Seyed Ahmad Mojallal, Shahla Nasserasr, Mahsa N. Shirazi, Andriaherimanana Sarobidy Razafimahatratra, and Brett Stevens
    Discrete Appl. Math., 2024
  12. On the intersection density of the Kneser Graph K(n,3)
    Karen Meagher, and Andriaherimanana Sarobidy Razafimahatratra
    European J. Combin., 2024

2023

  1. Preprint
    On cospectral Cayley graphs on the symmetric group
    Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    submitted, 2023
  2. On the second eigenvalue of certain Cayley graphs on the symmetric group
    Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    Bull. Malays. Math. Sci. Soc., 2023
  3. On closed distance magic circulants of valency up to 5
    Blas Fernández, Roghayeh Maleki, Štefko Miklavič, and Andriaherimanana Sarobidy Razafimahatratra
    Discrete Math., 2023
  4. On the intersection density of the symmetric group acting on uniform subsets of small size
    Angelot Behajaina, Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    Linear Algebra Appl., 2023
  5. On the intersection density of primitive groups of degree a product of two odd primes
    Andriaherimanana Sarobidy Razafimahatratra
    J. Combin. Theory Ser. A, 2023

2022

  1. Some Erdos-Ko-Rado results for linear and affine groups of degree two
    Karen Meagher, and A. Sarobidy Razafimahatratra
    The Art of Discrete and Applied Mathematics, 2022

2021

  1. The Erdős-Ko-Rado theorem for 2-pointwise and 2-setwise intersecting permutations
    Karen Meagher, and A. Sarobidy Razafimahatratra
    Electron. J. Combin., 2021
  2. Weakly Hadamard diagonalizable graphs
    Mohammad Adm, Khawla Almuhtaseb, Shaun Fallat, Karen Meagher, Shahla Nasserasr, Mahsa N. Shirazi, and A. S. Razafimahatratra
    Linear Algebra Appl., 2021
  3. 3-setwise intersecting families of the symmetric group
    Angelot Behajaina, Roghayeh Maleki, Aina Toky Rasoamanana, and A. Sarobidy Razafimahatratra
    Discrete Math., 2021
  4. On triangles in derangement graphs
    Karen Meagher, Andriaherimanana Sarobidy Razafimahatratra, and Pablo Spiga
    J. Combin. Theory Ser. A, 2021
  5. On non-normal subgroup perfect codes
    Behajaina, Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    Australas. J. Combin., 2021
  6. On complete multipartite derangement graphs
    Andriaherimanana Sarobidy Razafimahatratra
    Ars Math. Contemp., 2021
  7. Preprint
    No Hilton-Milner type results for linear groups of degree two
    Roghayeh Maleki, and Andriaherimanana Sarobidy Razafimahatratra
    arXiv preprint arXiv:2111.03829, 2021

2020

  1. Zero-one laws for k-variable first-order logic of sparse random graphs
    A. S. Razafimahatratra, and M. Zhukovskii
    Discrete Appl. Math., 2020