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Sajjad Mahmood Robati

Associate Professor

Update: 2025-09-21

Sajjad Mahmood Robati (Faculty Member)

Faculty of Sciences / Pure Mathematics

Journal Paper

  1. "The undirected power graph on the conjugacy classes of a finite group"
    Sajjad Mahmood Robati
    AUT Journal of Mathematics and Computing, 2025
  2. "A solvability criterion for finite groups related to vanishing conjugacy classes"
    Sajjad Mahmood Robati
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, 2024
  3. "Prime graphs on the set of vanishing class sizes"
    Sajjad Mahmood Robati, Roghayeh Hafezieh
    Ricerche di Matematica, 2024
  4. "Classification of groups whose vanishing elements are contained in exactly two conjugacy classes"
    Sajjad Mahmood Robati
    Algebraic Structures and their Applications, 2024
  5. "Groups whose vanishing class sizes are p-powers"
    Sajjad Mahmood Robati, Hafezieh Roghayeh
    COMMUNICATIONS IN ALGEBRA, Vol. 51, pp.2978-2982, 2023
  6. "The Isaacs-Navarro-Wolf Conjecture for Groups with One Vanishing Class Size"
    Ahanjideh Neda, Sajjad Mahmood Robati
    Mediterranean Journal of Mathematics, Vol. 20, pp.101-101, 2023
  7. "Finite groups with at most six vanishing conjugacy classes"
    Sajjad Mahmood Robati, Mohammad Reza Darafsheh
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, Vol. 21, pp.1-12, 2022
  8. "Groups whose vanishing class sizes are prime powers"
    Sajjad Mahmood Robati, Roghayeh Hafezieh Balaman
    JOURNAL OF GROUP THEORY, Vol. 25, pp.151-162, 2022
  9. "Non-solvable groups all of whose indices are odd-square-free"
    Sajjad Mahmood Robati, HAFEZIEH BALAMAN Roghayeh
    Turkish Journal of Mathematics, Vol. 46, pp.746-752, 2022
  10. "Non-solvable groups each of whose character degrees has at most two prime divisors"
    Babak Mir aali, Sajjad Mahmood Robati
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, Vol. 20, pp.1-13, 2021
  11. "Nearly Rational Frobenius Groups"
    Sajjad Mahmood Robati
    Iranian Journal of Mathematical Sciences and Informatics, Vol. 16, pp.191-194, 2021
  12. "Erratum to: Real-Imaginary Conjugacy Classes and Real-Imaginary Irreducible Characters in Finite Groups (vol 103, pg 251, 2018)"
    Antonio Beltran Felip, Sajjad Mahmood Robati
    MATHEMATICAL NOTES, Vol. 110, pp.638-639, 2021
  13. "Non-solvable groups each of whose vanishing class sizes has at most two prime divisors"
    Sajjad Mahmood Robati
    COMMUNICATIONS IN ALGEBRA, Vol. 49, pp.1280-1285, 2021
  14. "On a graph related to subgroups generated by a conjugacy class in finite groups"
    Sajjad Mahmood Robati
    ALGEBRA COLLOQUIUM, Vol. 27, pp.193-198, 2020
  15. "Taketa's inequality and finite groups with a normal Hall subgroup"
    Sajjad Mahmood Robati
    COMMUNICATIONS IN ALGEBRA, Vol. 48, pp.1650-1652, 2020
  16. "A solvability criterion for finite groups related to character degrees"
    Babak Mir aali, Sajjad Mahmood Robati
    CZECHOSLOVAK MATHEMATICAL JOURNAL, Vol. 70, pp.1205-1209, 2020
  17. "A solvability criterion for finite groups related to the number of Sylow subgroups"
    Sajjad Mahmood Robati
    COMMUNICATIONS IN ALGEBRA, Vol. 48, pp.5176-5180, 2020
  18. "ON FINITE GROUPS HAVING A CERTAIN NUMBER OF CYCLIC SUBGROUPS"
    Sajjad Mahmood Robati
    International Journal of Group Theory, Vol. 8, pp.1-8, 2019
  19. "NON-REAL GROUPS WITH EXACTLY TWO CONJUGACY CLASSES OF THE SAME SIZE"
    Sajjad Mahmood Robati
    Communications of the Korean Mathematical Society, Vol. 34, pp.137-143, 2019
  20. "Groups whose set of vanishing elements is the union of at most three conjugacy classe"
    Sajjad Mahmood Robati
    BULLETIN OF THE BELGIAN MATHEMATICAL SOCIETY-SIMON STEVIN, Vol. 26, pp.85-89, 2019
  21. "GROUPS WHOSE SET OF VANISHING ELEMENTS IS EXACTLY A CONJUGACY CLASS"
    Sajjad Mahmood Robati
    Algebraic Structures and their Applications, Vol. 6, pp.9-12, 2019
  22. "Isaacs-Seitz conjecture for certain groups"
    Sajjad Mahmood Robati
    COMMUNICATIONS IN ALGEBRA, Vol. 47, pp.3712-3715, 2019
  23. "Real-Imaginary Conjugacy Classes and Real-Imaginary Irreducible Characters in Finite Groups"
    Sajjad Mahmood Robati
    MATHEMATICAL NOTES, Vol. 103, pp.251-258, 2018
  24. "Frobenius groups with almost distinct conjugacy class sizes"
    Sajjad Mahmood Robati
    Bulletin of the Malaysian Mathematical Sciences Society, Vol. 41, pp.1711-1715, 2018
  25. "On the Regular Power Graph on the Conjugacy Classes of Finite Groups"
    Sajjad Mahmood Robati
    Mathematics Interdisciplinary Research, Vol. 3, pp.135-138, 2018
  26. "Groups whose vanishing elements are of odd order"
    Sajjad Mahmood Robati
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, Vol. 17, pp.1-5, 2018
  27. "Some Connections between powers of conjugacy classes and degrees of irreducible characters in solvable groups"
    Sajjad Mahmood Robati
    Bulletin of the Iranian Mathematical Society, Vol. 42, pp.19-25, 2016
  28. "The power graph on the conjugacy classes of a finite group"
    Sajjad Mahmood Robati
    ACTA MATHEMATICA HUNGARICA, Vol. 20, pp.20-45, 2015
  29. "Powers of irreducible characters and conjugacy classes in finite groups"
    Mohammad Reza Darafsheh, Sajjad Mahmood Robati
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, Vol. 13, 2014
  30. "On Products of Irreducible Characters and Products of Conjugacy Classes in Finite Groups"
    محمد رضا درفشه, Sajjad Mahmood Robati
    COMMUNICATIONS IN ALGEBRA, Vol. 41, pp.2879-2883, 2013
  31. "Products of conjugacy classes and products of irreducible characters in finite groups"
    Sajjad Mahmood Robati, Mohammad Reza Darafsheh
    Turkish Journal of Mathematics, Vol. 37, pp.607-616, 2013
  32. "گروه هایی که مجموعه ی اعضای صفرشوی آنها اجتماع دقیقا سه کلاس تزویج است"
    Sajjad Mahmood Robati
    پژوهش های ریاضی, Vol. 9, pp.70-79, 2024
  33. "Solvable groups with four conjugacy classes outside a normal subgroup"
    Sajjad Mahmood Robati, Zeinab Foruzanfar
    Georgian Mathematical Journal, Vol. 30, pp.589-592, 2023
  34. "Philosophical Thinking about Abstract Algebra"
    Saeid Yousefi, Sajjad Mahmood Robati
    فلسفه, Vol. 20, pp.189-204, 2022
  35. "On the number of vanishing conjugacy classes of Frobenius groups"
    Sajjad Mahmood Robati
    ریاضی و جامعه, Vol. 6, pp.39-48, 2021
  36. "گراف توانی روی کلاس های تزویج با محیط 3"
    Vahid Bazoobandi, Sajjad Mahmood Robati
    Iranian Journal of Mathematical Sciences and Informatics, Vol. 15, pp.7-11, 2021
  37. "مصور کردن گروه ها با نمودار کیلی"
    Sajjad Mahmood Robati
    ریاضی و جامعه, Vol. 4, pp.19-28, 2019

Conference Paper

  1. "Zeros of some irreducible characters in extensions of Suzuki simple groups"
    Sajjad Mahmood Robati
    هفدهمین کنفرانس نظریه گروه های ایران دانشکده علوم ریاضی کد اختصاصی03240-43674, pp.68-69, 2025
  2. "On the Connectivity of Power Graph on the Conjugacy Classes of a Finite Group"
    Sajjad Mahmood Robati
    8th INTERNATIONAL CONFERENCE ON MATHEMATICS "An Istanbul Meeting for World Mathematicians", pp.1-3, 2024
  3. "Vanishing elements and the ascending fitting series of finite groups"
    Sajjad Mahmood Robati
    8th INTERNATIONAL CONFERENCE ON MATHEMATICS "An Istanbul Meeting for World Mathematicians", pp.1-2, 2024
  4. "Darafsheh conjecture for finite simple groups related to conjugacy class sizes"
    Sajjad Mahmood Robati
    12th Iranian group Theory Conference, 2020
  5. "On the regular power graph on th e conjugacy classes of finite groups"
    Sajjad Mahmood Robati
    9th Iranian group theory conference, 2017
  6. "Real-Imaginary Group"
    Sajjad Mahmood Robati
    9th Iranian group theory conference, 2017
  7. "the power graph and conjugacy classes of groups"
    Sajjad Mahmood Robati
    8th Iranian group theory conference, 2016
  8. "some example of Frobenius groups"
    Sajjad Mahmood Robati
    Third Biennial International Group Theory Conference, 2015
  9. "Irreducible character and conjugacy classes in finite group"
    Sajjad Mahmood Robati
    sixth national group theory conference, 2014
  10. "A note on the Isaacs-Knutson conjecture"
    Sajjad Mahmood Robati
    14th Iranian International Group Theory Conference, 2022
  11. "Simple groups all of whose conjugacy classes are odd-square-free"
    Sajjad Mahmood Robati
    دوازدهمین همایش ملی نظریه گروه های ایران - کد اختصاصی:34627-98190, 2020
  12. "گراف توانی روی کلاس های تزویج با محیط 3"
    Vahid Bazoobandi, Sajjad Mahmood Robati
    12th Iranian group Theory Conference, 2020
  13. "On the character graphs of nonsolvable finite groups"
    Babak Mir aali, Sajjad Mahmood Robati
    11th iranian group theory conference, pp.66-67, 2019
  14. "Groups whose set of vanishing elements is exactly a conjugacy class"
    Sajjad Mahmood Robati
    11th iranian group theory conference, pp.90-91, 2019
  15. "On non-vanishing elements in finite groups"
    Sajjad Mahmood Robati
    10th Iranian group Theory Conference, 2018