Hoger Ghahramani

Journal Paper

1. "Norms on Lau product of normed algebras and their comparison"
   Hoger Ghahramani
   Journal of Analysis, 2025
2. "Zero product preserving additive maps on triangular algebras"
   Hoger Ghahramani, Saber Naseri, Neda Goreishi
   Linear Algebra and its Applications, 2025
3. "Additive maps related to Lie structure on factor von Neumann algebras"
   Hoger Ghahramani, Behrooz Fadaee
   The Journal of Analysis, 2024
4. "On Lie triple centralizers of von Neumann algebras"
   Hoger Ghahramani, Behrooz Fadaee
   Operators and Matrices, 2024
5. "Lie superderivations on unital algebras with idempotents"
   Hoger Ghahramani, Layla HaydariZadeh
   Communications in Algebra, 2024
6. "Derivable maps at commutative products on Banach algebras"
   Hoger Ghahramani, Abbas Zivari Kazempour
   Acta Scientiarum Mathematicarum, 2024
7. "POSNER’S FIRST THEOREM FOR PRIME MODULES"
   Mohammad Nader ghosseiri, Hoger Ghahramani, Tahereh Rezaei
   Khayyam Journal of Mathematics, 2024
8. "Lie centralizers and commutant preserving maps on generalized matrix algebras"
   Hoger Ghahramani, Amir Hossein Mokhtari, Feng Wei
   Journal of Algebra and Its Applications, 2024
9. "Linearity of (generalized) $$*$$-Lie derivations and their structures on $$*$$-algebras"
   Hoger Ghahramani, Behrooz Fadaee, Wu Jing
   Advances in Operator Theory, 2024
10. "Centralizer-Like Additive Maps on the Lie Structure of Banach Algebras"
    Hoger Ghahramani
    Bulletin of the Malaysian Mathematical Sciences Society, 2024
11. "LIE CENTRALIZERS AND GENERALIZED LIE DERIVATIONS AT ZERO PRODUCTS"
    Hoger Ghahramani, Ajda Fosner, Feng Wei
    Rocky Mountain Journal of Mathematics, 2023
12. "Anti-derivations on triangular rings"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Tahereh Rezaei
    Khayyam Journal of Mathematics, 2023
13. "Equivalent characterization of right (left) centralizers or centralizers on Banach algebras"
    Hoger Ghahramani, satari saman, Ghazal Moradkhani
    Journal of Linear and Topological Algebra (JLTA), 2023
14. "Some Generalizations of $$*$$-Lie Derivable Mappings and Their Characterization on Standard Operator Algebras"
    Hoger Ghahramani, Haidar Moradi, Behrooz Fadaee
    Bulletin of the Iranian Mathematical Society, 2023
15. "Lie triple centralizers on generalized matrix algebras"
    Hoger Ghahramani, Behrooz Fadaee, Wu Jing
    Quaestiones Mathematicae, 2023
16. "Relative Amenability of Banach Algebras"
    Hoger Ghahramani, Vania Khodakarami, Esmaeil Feizi
    FILOMAT, 2022
17. "Lie centralizers at the zero products on generalized matrix algebras"
    Hoger Ghahramani, Behrooz Fadaee
    Journal of Algebra and Its Applications, 2022
18. "Anti-derivable linear maps at zero on standard operator algebras"
    Hoger Ghahramani, Kamal Fallahi
    ACTA MATHEMATICA HUNGARICA, 2022
19. "Characterizing linear maps of standard operator algebras through orthogonality"
    Hoger Ghahramani, Amir Hossein Mokhtari
    Acta Scientiarum Mathematicarum, 2022
20. "Characterizing Jordan Derivable Maps on Triangular Rings by Local Actions"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Tahereh Rezaei
    Journal of Mathematics, 2022
21. "Centralizers of Lie Structure of Triangular Algebras"
    Hoger Ghahramani, Behrooz Fadaee, Ajda Fosner
    Results in Mathematics, 2022
22. "A note on zero Lie product determined nest algebras as Banach algebras"
    Hoger Ghahramani, Vania Khodakarami, Kamal Fallahi
    Wavelets and Linear Algebra, 2021
23. "Generalized Derivations and Generalized Jordan Derivations of Quaternion Rings"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Layla HaydariZadeh
    Iranian Journal of Science and Technology Transaction A-Science, 2021
24. "The first Cohomology Group of Semidirect Products of Banach Algebras"
    Hoger Ghahramani, Hamid Farhadi
    Iranian Journal of Science and Technology Transaction A-Science, 2021
25. "Lie centralizers at zero products on a class of operator algebras"
    Hoger Ghahramani, Wu Jing
    Annals of Functional Analysis, 2021
26. "Ternary derivations of nest algebras"
    Hoger Ghahramani, Ajda Fosner
    Operators and Matrices, 2021
27. "Automatic Continuity of Derivations on Semidirect Products of Banach Algebras"
    Hoger Ghahramani, Hamid Farhadi
    Bulletin of the Iranian Mathematical Society, 2021
28. "Lie Maps on Triangular Algebras Without Assuming Unity"
    Hoger Ghahramani, Ronak Behfar
    Mediterranean Journal of Mathematics, 2021
29. "On derivations, biderivations and superbiderivations of quaternion rings"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Sabrieh Safari
    Rendiconti del Circolo Matematico di Palermo, 2021
30. "Integral Type Contractions in Partially Ordered Metric Spaces and Best Proximity Point"
    Hoger Ghahramani, Kamal Fallahi, Ghasem Soleimani Rad
    Iranian Journal of Science and Technology Transaction A-Science, 2020
31. "The First and Second Hochschild Cohomology Groups of Banach Algebras with Coefficients in Special Symmetric Bimodules"
    Hoger Ghahramani, Vania Khodakarami, Esmaeil Feizi
    Complex Analysis and Operator Theory, 2020
32. "CHARACTERIZATION OF LINEAR MAPPINGS ON (BANACH) *-ALGEBRAS BY SIMILAR PROPERTIES TO DERIVATIONS"
    Hoger Ghahramani, Behrooz Fadaee, Kamal Fallahi
    Mathematica Slovaca, 2020
33. "The first cohomology group of some operator algebras on Hilbert C*-modules"
    Hoger Ghahramani, satari saman
    STUDIA SCIENTIARUM MATHEMATICARUM HUNGARICA, 2020
34. "THE FIRST COHOMOLOGY GROUP OF BANACH INVERSE SEMIGROUP ALGEBRAS WITH COEFFICIENTS IN -EMBEDDED BANACH BIMODULES"
    Hoger Ghahramani
    Bulletin of the Australian Mathematical Society, 2020
35. "Linear Maps on $$C^\star $$C⋆-Algebras Behaving like (Anti-)derivations at Orthogonal Elements"
    Hoger Ghahramani, Behrooz Fadaee
    Bulletin of the Malaysian Mathematical Sciences Society, 2020
36. "LINEAR MAPS ON BLOCK UPPER TRIANGULAR MATRIX ALGEBRAS BEHAVING LIKE JORDAN DERIVATIONS THROUGH COMMUTATIVE ZERO PRODUCTS"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Layla HaydariZadeh
    Operators and Matrices, 2020
37. "Ideal submodules and topologicallycomplementable submodules of Hilbert C*-modules"
    Hoger Ghahramani, satari saman
    LINEAR & MULTILINEAR ALGEBRA, 2020
38. "Left Ideal Preserving Maps on Triangular Algebras"
    Hoger Ghahramani
    Iranian Journal of Science and Technology Transaction A-Science, 2020
39. "2n-Weak module amenability of semigroup algebras"
    Hoger Ghahramani, Kamal Fallahi
    Linear and Topological Algebra, 2019
40. "On the Lie derivations and generalized Lie derivations of quaternion rings"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Layla HaydariZadeh
    COMMUNICATIONS IN ALGEBRA, 2019
41. "CHARACTERIZATION OF REFLEXIVE CLOSURE OF SOME OPERATOR ALGEBRAS ACTING ON HILBERT C*-MODULES"
    Hoger Ghahramani, satari saman
    ACTA MATHEMATICA HUNGARICA, 2019
42. "Some Notes on Semidirect Products of Banach Algebras"
    Hoger Ghahramani, Hamid Farhadi
    Results in Mathematics, 2019
43. "LEFT DERIVABLE MAPS AT NON-TRIVIAL IDEMPOTENTS ON NEST ALGEBRAS"
    Hoger Ghahramani, satari saman
    Annales Mathematicae Silesianae, 2019
44. "Linear Maps on Standard Operator Algebras Characterized by Action on Zero Products"
    Hoger Ghahramani, Behrooz Fadaee, Amin Barari
    Bulletin of the Iranian Mathematical Society, 2019
45. "Jordan left derivations at the idempotent elements on reflexive algebras"
    Hoger Ghahramani, Behrooz Fadaee
    PUBLICATIONES MATHEMATICAE-DEBRECEN, 2018
46. "Linear Maps on *-Algebras Acting on Orthogonal Elements Like Derivations or Anti-Derivations"
    Hoger Ghahramani, Z. Patrick Pan
    FILOMAT, 2018
47. "Linear Maps on Group Algebras Determined by the Action of the Derivations or Anti-derivations on a Set of Orthogonal Elements"
    Hoger Ghahramani
    Results in Mathematics, 2018
48. "Characterizing Jordan Maps on Triangular Rings Through Commutative Zero Products"
    Hoger Ghahramani
    Mediterranean Journal of Mathematics, 2018
49. "Some questions concerning superderivations on Z2-graded rings"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Sabrieh Safari
    Aequationes mathematicae, 2017
50. "CHARACTERIZING JORDAN DERIVATIONS OF MATRIX RINGS THROUGH ZERO PRODUCTS"
    Hoger Ghahramani
    Mathematica Slovaca, 2015
51. "JORDAN DERIVATIONS ON BLOCK UPPER TRIANGULAR MATRIX ALGEBRAS"
    Hoger Ghahramani
    Operators and Matrices, 2015
52. "On Centralizers of Banach Algebras"
    Hoger Ghahramani
    Bulletin of the Malaysian Mathematical Sciences Society, 2015
53. "Additive maps on some operator algebras behaving like $(\alpha,\beta)$-derivations or generalized $(\alpha,\beta)$-derivations at zero-product elements"
    Hoger Ghahramani
    Acta Mathematica Scientia, 2014
54. "On derivations and Jordan derivations through zero products"
    Hoger Ghahramani
    Operators and Matrices, 2014
55. "ON RINGS DETERMINED BY ZERO PRODUCTS"
    Hoger Ghahramani
    Journal of Algebra and Its Applications, 2013
56. "Zero product determined some nest algebras"
    Hoger Ghahramani
    Linear algebra and its applications, 2013
57. "Zero product determined triangular algebras"
    Hoger Ghahramani
    LINEAR & MULTILINEAR ALGEBRA, 2013
58. "Jordan derivations on trivial extensions"
    Hoger Ghahramani
    Bulletin of the Iranian Mathematical Society, 2013
59. "Skew polynomial rings of formal triangular matrix rings"
    Hoger Ghahramani
    JOURNAL OF ALGEBRA, 2012
60. "EXISTENCE, AUTOMATIC CONTINUITY AND INVARIANT SUBMODULES OF GENERALIZED DERIVATIONS ON MODULES"
    Hoger Ghahramani, Gholam Hossein Esslamzadeh
    Aequationes mathematicae, 2012
61. "Additive mappings derivable at non-trivial idempotents on Banach algebras"
    Hoger Ghahramani
    LINEAR & MULTILINEAR ALGEBRA, 2012
62. "DIFFERENTIAL POLYNOMIAL RINGS OF TRIANGULAR MATRIX RINGS"
    Hoger Ghahramani, Ahmad Moussavi
    Bulletin of the Iranian Mathematical Society, 2008
63. "Jordan Centralizers at Commutative Zero Products on Nest Algebras"
    Hoger Ghahramani, Behrooz Fadaee, Kamal Fallahi
    پژوهش های ریاضی, 2025
64. "رده ای از جبرهای عملگری تولید شده توسط خودتوان ها"
    Hoger Ghahramani, Behrooz Fadaee
    Wavelets and Linear Algebra, 2022
65. "نگاشتهای خطی پیوسته روی جبرهای فون-نویمان با مقادیر مشابه پادمشتقها در عناصر متعامد"
    Hoger Ghahramani, Behrooz Fadaee, Kamal Fallahi
    پژوهش هاي رياضي, 2022
66. "بررسی میزان تأثیر چند عامل (علاقه، وسایل آموزشی، روش تدریس) بر یادگیری هندسه"
    Hoger Ghahramani, Behrooz Fadaee
    پژوهش در آموزش رياضي, 2021

Conference Paper

1. "Jordan derivations of a class of Banach algebras"
   Hoger Ghahramani, zamani dadaneh parvin
   11st Seminar on Harmonic Analysis and Application, 2024
2. "Lie centralizers on nest algebras"
   Hoger Ghahramani, Ronak Behfar
   25 th Seminar on Mathematical Analysis and its Applications, 2023
3. "Derivations through two-sided orthogonality conditions on group algebras"
   Hoger Ghahramani, satari saman
   10th seminar on Harmonic Analysis and Applicat, 2023
4. "On bilinear maps on Banach *-algebra"
   Hoger Ghahramani, Behrooz Fadaee
   4th International Conference on Natural Sciences (ICNS2019)-Mathematics & Computer, 2019
5. "CENTRALIZERS ON ⋆-ALGEBRAS CHARACTERIZED BY LOCAL ACTIONS"
   Hoger Ghahramani, Behrooz Fadaee
   ‎The 26 th Iranian Algebra Seminar, 2019
6. "On automatic continuity of the derivations on module extension of Banach algebras"
   Hoger Ghahramani, Hamid Farhadi
   49th Annual Iranian Mathematics Conference, 2018
7. "Commuting maps on quaternion rings"
   Mohammad Nader ghosseiri, Hoger Ghahramani, Layla HaydariZadeh
   اولين كنفرانس منطقه اي علوم رياضي و كاربردها, 2017
8. "Ideal submodules in Hilbert C*-Modules"
   Hoger Ghahramani, satari saman
   The 9th International conference of Mathematics, 2017
9. "Investigation matrices obtaining integrals involving polynomials and Daubechies scaling functions"
   Amjad Alipanah, Hoger Ghahramani
   Caucasian Mathematics Conference (CMC-II), 2017
10. "A study of some basic properties of Morita Equvalence by Ideal Submodules"
    Hoger Ghahramani, satari saman
    48th annual Iranian mathematics conference, 2017
11. "On algebra homomorphisms of Lau products of Banach algebras"
    Hoger Ghahramani, Hamid Farhadi
    48th annual Iranian mathematics conference, 2017
12. "Inverse semigroup algebras are permanently weakly module amenable"
    Hoger Ghahramani, Vania Khodakarami
    48th annual Iranian mathematics conference, 2017
13. "Automatic continuity of derivations on Lau product of Banach algebras‎"
    Amjad Alipanah, Hoger Ghahramani
    Caucasian Mathematics Conference (CMC-II), 2017
14. "ON JORDAN CENTRALIZERS OF QUATERNION RINGS"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Layla HaydariZadeh
    The 9th Seminar on Linear Algebra and its Applications, 2017
15. "Jordan derivable maps on triangular rings by commutative zero products"
    Hoger Ghahramani
    چهارمين سمينار جبر و كاربردهاي آن, 2016
16. "CHARACTERIZITION OF MAPS BEHAVING LIKE JORDAN LEFT DERIVATIONS AT SEPECIAL PRODUCT ELEMENTS ON SOME OPERATOR ALGEBRAS"
    Hoger Ghahramani, Behrooz Fadaee
    بيست و يكمين سمينار آناليز رياضي و كاربردهاي آن, 2014
17. "ZERO PRODUCT DETERMINED RINGS"
    Hoger Ghahramani, Farinaz Blorian
    بيست و چهارمين سمينار جبر ايران, 2014
18. "CHARACTERIZING JORDAN DERIVATIONS OF SOME ALGEBRAS THROUGH ZERO PRODUCTS"
    Hoger Ghahramani
    The 7th Seminar on Linear Algebra and its Applications, 2014
19. "ADDITIVE MAPS OF SOME OPERATOR ALGEBRAS BEHAVING LIKE DERIVATIONS AT IDEMPOTENT-PRODUCT ELEMENTS"
    Hoger Ghahramani
    The 7th Seminar on Linear Algebra and its Applications, 2014
20. "Derivations of nest algebras characterized by acting on zero products"
    Hoger Ghahramani
    بيستمين سمينار آناليز رياضي و كاربردهاي آن, 2012
21. "Characterizations of generalized derivations and generalized Jordan derivations on Banach algebras"
    Hoger Ghahramani, Jamal Khalili Khezrlak
    چهل و يكمين كنفرانس بين المللي رياضي ايران, 2010
22. "$(\alpha,\beta)$-Jordan derivations of triangular algebras"
    Hoger Ghahramani, Jamal Khalili Khezrlak
    چهل و يكمين كنفرانس بين المللي رياضي ايران, 2010