منو
سجاد محمودرباطی

دانشیار

تاریخ به‌روزرسانی: 1403/10/05

سجاد محمودرباطی (عضو هیات‌علمی)

علوم پایه / ریاضی محض

مقالات علمی چاپ شده در مجلات

  1. "Classification of groups whose vanishing elements are contained in exactly two conjugacy classes"
    Sajjad Mahmodrobati
    Algebraic Structures and their Applications, 2024
  2. "A solvability criterion for finite groups related to vanishing conjugacy classes"
    Sajjad Mahmodrobati
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, 2024
  3. "Prime graphs on the set of vanishing class sizes"
    Sajjad Mahmodrobati, Roghayeh Hafezieh
    Ricerche di Matematica, 2024
  4. "Groups whose vanishing class sizes are p-powers"
    Sajjad Mahmodrobati, Hafezieh Roghayeh
    COMMUNICATIONS IN ALGEBRA, Vol. 51, pp.2978-2982, 2023
  5. "The Isaacs-Navarro-Wolf Conjecture for Groups with One Vanishing Class Size"
    Ahanjideh Neda, Sajjad Mahmodrobati
    Mediterranean Journal of Mathematics, Vol. 20, pp.101-101, 2023
  6. "Groups whose vanishing class sizes are prime powers"
    Sajjad Mahmodrobati, Roghayeh Hafezieh Balaman
    JOURNAL OF GROUP THEORY, Vol. 25, pp.151-162, 2022
  7. "Finite groups with at most six vanishing conjugacy classes"
    Sajjad Mahmodrobati, Mohammad Reza Darafsheh
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, Vol. 21, pp.1-12, 2022
  8. "Non-solvable groups all of whose indices are odd-square-free"
    Sajjad Mahmodrobati, HAFEZIEH BALAMAN Roghayeh
    Turkish Journal of Mathematics, Vol. 46, pp.746-752, 2022
  9. "Non-solvable groups each of whose character degrees has at most two prime divisors"
    Babak Mir aali, Sajjad Mahmodrobati
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, Vol. 20, pp.1-13, 2021
  10. "Nearly Rational Frobenius Groups"
    Sajjad Mahmodrobati
    Iranian Journal of Mathematical Sciences and Informatics, Vol. 16, pp.191-194, 2021
  11. "Erratum to: Real-Imaginary Conjugacy Classes and Real-Imaginary Irreducible Characters in Finite Groups (vol 103, pg 251, 2018)"
    Antonio Beltran Felip, Sajjad Mahmodrobati
    MATHEMATICAL NOTES, Vol. 110, pp.638-639, 2021
  12. "Non-solvable groups each of whose vanishing class sizes has at most two prime divisors"
    Sajjad Mahmodrobati
    COMMUNICATIONS IN ALGEBRA, Vol. 49, pp.1280-1285, 2021
  13. "Taketa's inequality and finite groups with a normal Hall subgroup"
    Sajjad Mahmodrobati
    COMMUNICATIONS IN ALGEBRA, Vol. 48, pp.1650-1652, 2020
  14. "A solvability criterion for finite groups related to character degrees"
    Babak Mir aali, Sajjad Mahmodrobati
    CZECHOSLOVAK MATHEMATICAL JOURNAL, Vol. 70, pp.1205-1209, 2020
  15. "On a graph related to subgroups generated by a conjugacy class in finite groups"
    Sajjad Mahmodrobati
    ALGEBRA COLLOQUIUM, Vol. 27, pp.193-198, 2020
  16. "A solvability criterion for finite groups related to the number of Sylow subgroups"
    Sajjad Mahmodrobati
    COMMUNICATIONS IN ALGEBRA, Vol. 48, pp.5176-5180, 2020
  17. "GROUPS WHOSE SET OF VANISHING ELEMENTS IS EXACTLY A CONJUGACY CLASS"
    Sajjad Mahmodrobati
    Algebraic Structures and their Applications, Vol. 6, pp.9-12, 2019
  18. "ON FINITE GROUPS HAVING A CERTAIN NUMBER OF CYCLIC SUBGROUPS"
    Sajjad Mahmodrobati
    International Journal of Group Theory, Vol. 8, pp.1-8, 2019
  19. "Isaacs-Seitz conjecture for certain groups"
    Sajjad Mahmodrobati
    COMMUNICATIONS IN ALGEBRA, Vol. 47, pp.3712-3715, 2019
  20. "NON-REAL GROUPS WITH EXACTLY TWO CONJUGACY CLASSES OF THE SAME SIZE"
    Sajjad Mahmodrobati
    Communications of the Korean Mathematical Society, Vol. 34, pp.137-143, 2019
  21. "Groups whose set of vanishing elements is the union of at most three conjugacy classe"
    Sajjad Mahmodrobati
    BULLETIN OF THE BELGIAN MATHEMATICAL SOCIETY-SIMON STEVIN, Vol. 26, pp.85-89, 2019
  22. "On the Regular Power Graph on the Conjugacy Classes of Finite Groups"
    Sajjad Mahmodrobati
    Mathematics Interdisciplinary Research, Vol. 3, pp.135-138, 2018
  23. "Frobenius groups with almost distinct conjugacy class sizes"
    Sajjad Mahmodrobati
    Bulletin of the Malaysian Mathematical Sciences Society, Vol. 41, pp.1711-1715, 2018
  24. "Real-Imaginary Conjugacy Classes and Real-Imaginary Irreducible Characters in Finite Groups"
    Sajjad Mahmodrobati
    MATHEMATICAL NOTES, Vol. 103, pp.251-258, 2018
  25. "Groups whose vanishing elements are of odd order"
    Sajjad Mahmodrobati
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, Vol. 17, pp.1-5, 2018
  26. "Some Connections between powers of conjugacy classes and degrees of irreducible characters in solvable groups"
    Sajjad Mahmodrobati
    Bulletin of the Iranian Mathematical Society, Vol. 42, pp.19-25, 2016
  27. "The power graph on the conjugacy classes of a finite group"
    Sajjad Mahmodrobati
    ACTA MATHEMATICA HUNGARICA, Vol. 20, pp.20-45, 2015
  28. "Powers of irreducible characters and conjugacy classes in finite groups"
    Mohammad Reza Darafsheh, Sajjad Mahmodrobati
    JOURNAL OF ALGEBRA AND ITS APPLICATIONS, Vol. 13, 2014
  29. "On Products of Irreducible Characters and Products of Conjugacy Classes in Finite Groups"
    , Sajjad Mahmodrobati
    COMMUNICATIONS IN ALGEBRA, Vol. 41, pp.2879-2883, 2013
  30. "Products of conjugacy classes and products of irreducible characters in finite groups"
    Sajjad Mahmodrobati, Mohammad Reza Darafsheh
    Turkish Journal of Mathematics, Vol. 37, pp.607-616, 2013
  31. "گروه هایی که مجموعه ی اعضای صفرشوی آنها اجتماع دقیقا سه کلاس تزویج است"
    سجاد محمودرباطی
    پژوهش های ریاضی، نسخه 9، صفحات:70-79، 1402
  32. "Solvable groups with four conjugacy classes outside a normal subgroup"
    سجاد محمودرباطی، Zeinab Foruzanfar
    Georgian Mathematical Journal، نسخه 30، صفحات:589-592، 1401
  33. "تاملی فلسفی درباره جبرمجرد"
    سعید یوسفی، سجاد محمودرباطی
    فلسفه، نسخه 20، صفحات:189-204، 1400
  34. "بررسی تعداد کلاس های تزویج صفرشوی گروه های فروبنیوس"
    سجاد محمودرباطی
    ریاضی و جامعه، نسخه 6، صفحات:39-48، 1399
  35. "گراف توانی روی کلاس های تزویج با محیط 3"
    وحید بازوبندی، سجاد محمودرباطی
    Iranian Journal of Mathematical Sciences and Informatics، نسخه 15، صفحات:7-11، 1399
  36. "مصور کردن گروه ها با نمودار کیلی"
    سجاد محمودرباطی
    ریاضی و جامعه، نسخه 4، صفحات:19-28، 1397

مقالات علمی ارائه شده در همایش‌ها

  1. "On the Connectivity of Power Graph on the Conjugacy Classes of a Finite Group"
    Sajjad Mahmodrobati
    8th INTERNATIONAL CONFERENCE ON MATHEMATICS "An Istanbul Meeting for World Mathematicians", pp.1-3, 2024
  2. "Vanishing elements and the ascending fitting series of finite groups"
    Sajjad Mahmodrobati
    8th INTERNATIONAL CONFERENCE ON MATHEMATICS "An Istanbul Meeting for World Mathematicians", pp.1-2, 2024
  3. "Darafsheh conjecture for finite simple groups related to conjugacy class sizes"
    Sajjad Mahmodrobati
    12th Iranian group Theory Conference, 2020
  4. "On the regular power graph on th e conjugacy classes of finite groups"
    Sajjad Mahmodrobati
    9th Iranian group theory conference, 2017
  5. "Real-Imaginary Group"
    Sajjad Mahmodrobati
    9th Iranian group theory conference, 2017
  6. "the power graph and conjugacy classes of groups"
    Sajjad Mahmodrobati
    8th Iranian group theory conference, 2016
  7. "some example of Frobenius groups"
    Sajjad Mahmodrobati
    Third Biennial International Group Theory Conference, 2015
  8. "Irreducible character and conjugacy classes in finite group"
    Sajjad Mahmodrobati
    sixth national group theory conference, 2014
  9. "A note on the Isaacs-Knutson conjecture"
    سجاد محمودرباطی
    چهاردهمین کنفرانس نظریه گروههای ایران، 1400
  10. "گروه های ساده ای اندازه هیچ یک از کلاس های تزویجش بر مربع یک عدد فرد بخش پذیر نیست"
    سجاد محمودرباطی
    دوازدهمین همایش ملی نظریه گروه های ایران - کد اختصاصی:34627-98190، 1398
  11. "گراف توانی روی کلاس های تزویج با محیط 3"
    وحید بازوبندی، سجاد محمودرباطی
    دوازدهمین همایش ملی نظریه گروه های ایران کد اختصاصی:34627-98190، 1398
  12. "On the character graphs of nonsolvable finite groups"
    بابک میرعالی، سجاد محمودرباطی
    یازدهمین کنفرانس ملی نظریه گروههای ایران-کد اختصاصی همایش: 21502-97181، صفحات:66-67، 1397
  13. "Groups whose set of vanishing elements is exactly a conjugacy class"
    سجاد محمودرباطی
    یازدهمین کنفرانس ملی نظریه گروههای ایران-کد اختصاصی همایش: 21502-97181، صفحات:90-91، 1397
  14. "بررسی عناصر صفرنشو در گروه های متناهی"
    سجاد محمودرباطی
    دهمین کنفرانس نظریه گروه های ایران، 1396