هوگر قهرمانی

مقالات علمی چاپ شده در مجلات

1. "Derivable maps at commutative products on Banach algebras"
   Hoger Ghahramani, Abbas Zivari Kazempour
   Acta Scientiarum Mathematicarum, 2024
2. "Centralizer-Like Additive Maps on the Lie Structure of Banach Algebras"
   Hoger Ghahramani
   Bulletin of the Malaysian Mathematical Sciences Society, 2024
3. "Lie centralizers and commutant preserving maps on generalized matrix algebras"
   Hoger Ghahramani, Amir Hossein Mokhtari, Feng Wei
   Journal of Algebra and Its Applications, 2024
4. "POSNER’S FIRST THEOREM FOR PRIME MODULES"
   Mohammad Nader ghosseiri, Hoger Ghahramani, Tahereh Rezaei
   Khayyam Journal of Mathematics, 2024
5. "Linearity of (generalized) $$*$$-Lie derivations and their structures on $$*$$-algebras"
   Hoger Ghahramani, Behrooz Fadaee, Wu Jing
   Advances in Operator Theory, 2024
6. "Lie superderivations on unital algebras with idempotents"
   Hoger Ghahramani, Layla HaydariZadeh
   Communications in Algebra, 2024
7. "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
8. "Anti-derivations on triangular rings"
   Mohammad Nader ghosseiri, Hoger Ghahramani, Tahereh Rezaei
   Khayyam Journal of Mathematics, 2023
9. "Lie triple centralizers on generalized matrix algebras"
   Hoger Ghahramani, Behrooz Fadaee, Wu Jing
   Quaestiones Mathematicae, 2023
10. "LIE CENTRALIZERS AND GENERALIZED LIE DERIVATIONS AT ZERO PRODUCTS"
    Hoger Ghahramani, Ajda Fosner, Feng Wei
    Rocky Mountain Journal of Mathematics, 2023
11. "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
12. "Characterizing linear maps of standard operator algebras through orthogonality"
    Hoger Ghahramani, Amir Hossein Mokhtari
    Acta Scientiarum Mathematicarum, 2022
13. "Relative Amenability of Banach Algebras"
    Hoger Ghahramani, Vania Khodakarami, Esmaeil Feizi
    FILOMAT, 2022
14. "Characterizing Jordan Derivable Maps on Triangular Rings by Local Actions"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Tahereh Rezaei
    Journal of Mathematics, 2022
15. "Centralizers of Lie Structure of Triangular Algebras"
    Hoger Ghahramani, Behrooz Fadaee, Ajda Fosner
    Results in Mathematics, 2022
16. "Anti-derivable linear maps at zero on standard operator algebras"
    Hoger Ghahramani, Kamal Fallahi
    ACTA MATHEMATICA HUNGARICA, 2022
17. "Lie centralizers at the zero products on generalized matrix algebras"
    Hoger Ghahramani, Behrooz Fadaee
    Journal of Algebra and Its Applications, 2022
18. "On derivations, biderivations and superbiderivations of quaternion rings"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Sabrieh Safari
    Rendiconti del Circolo Matematico di Palermo, 2021
19. "Lie Maps on Triangular Algebras Without Assuming Unity"
    Hoger Ghahramani, Ronak Behfar
    Mediterranean Journal of Mathematics, 2021
20. "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
21. "Lie centralizers at zero products on a class of operator algebras"
    Hoger Ghahramani, Wu Jing
    Annals of Functional Analysis, 2021
22. "Ternary derivations of nest algebras"
    Hoger Ghahramani, Ajda Fosner
    Operators and Matrices, 2021
23. "A note on zero Lie product determined nest algebras as Banach algebras"
    Hoger Ghahramani, Vania Khodakarami, Kamal Fallahi
    Wavelets and Linear Algebra, 2021
24. "Automatic Continuity of Derivations on Semidirect Products of Banach Algebras"
    Hoger Ghahramani, Hamid Farhadi
    Bulletin of the Iranian Mathematical Society, 2021
25. "The first Cohomology Group of Semidirect Products of Banach Algebras"
    Hoger Ghahramani, Hamid Farhadi
    Iranian Journal of Science and Technology Transaction A-Science, 2021
26. "Ideal submodules and topologicallycomplementable submodules of Hilbert C*-modules"
    Hoger Ghahramani, satari saman
    LINEAR & MULTILINEAR ALGEBRA, 2020
27. "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
28. "The first cohomology group of some operator algebras on Hilbert C*-modules"
    Hoger Ghahramani, satari saman
    STUDIA SCIENTIARUM MATHEMATICARUM HUNGARICA, 2020
29. "THE FIRST COHOMOLOGY GROUP OF BANACH INVERSE SEMIGROUP ALGEBRAS WITH COEFFICIENTS IN -EMBEDDED BANACH BIMODULES"
    Hoger Ghahramani
    Bulletin of the Australian Mathematical Society, 2020
30. "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
31. "CHARACTERIZATION OF LINEAR MAPPINGS ON (BANACH) *-ALGEBRAS BY SIMILAR PROPERTIES TO DERIVATIONS"
    Hoger Ghahramani, Behrooz Fadaee, Kamal Fallahi
    Mathematica Slovaca, 2020
32. "Left Ideal Preserving Maps on Triangular Algebras"
    Hoger Ghahramani
    Iranian Journal of Science and Technology Transaction A-Science, 2020
33. "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
34. "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
35. "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
36. "LEFT DERIVABLE MAPS AT NON-TRIVIAL IDEMPOTENTS ON NEST ALGEBRAS"
    Hoger Ghahramani, satari saman
    Annales Mathematicae Silesianae, 2019
37. "CHARACTERIZATION OF REFLEXIVE CLOSURE OF SOME OPERATOR ALGEBRAS ACTING ON HILBERT C*-MODULES"
    Hoger Ghahramani, satari saman
    ACTA MATHEMATICA HUNGARICA, 2019
38. "On the Lie derivations and generalized Lie derivations of quaternion rings"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Layla HaydariZadeh
    COMMUNICATIONS IN ALGEBRA, 2019
39. "Some Notes on Semidirect Products of Banach Algebras"
    Hoger Ghahramani, Hamid Farhadi
    Results in Mathematics, 2019
40. "2n-Weak module amenability of semigroup algebras"
    Hoger Ghahramani, Kamal Fallahi
    Linear and Topological Algebra, 2019
41. "Characterizing Jordan Maps on Triangular Rings Through Commutative Zero Products"
    Hoger Ghahramani
    Mediterranean Journal of Mathematics, 2018
42. "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
43. "Jordan left derivations at the idempotent elements on reflexive algebras"
    Hoger Ghahramani, Behrooz Fadaee
    PUBLICATIONES MATHEMATICAE-DEBRECEN, 2018
44. "Linear Maps on *-Algebras Acting on Orthogonal Elements Like Derivations or Anti-Derivations"
    Hoger Ghahramani, Z. Patrick Pan
    FILOMAT, 2018
45. "Some questions concerning superderivations on Z2-graded rings"
    Mohammad Nader ghosseiri, Hoger Ghahramani, Sabrieh Safari
    Aequationes mathematicae, 2017
46. "On Centralizers of Banach Algebras"
    Hoger Ghahramani
    Bulletin of the Malaysian Mathematical Sciences Society, 2015
47. "CHARACTERIZING JORDAN DERIVATIONS OF MATRIX RINGS THROUGH ZERO PRODUCTS"
    Hoger Ghahramani
    Mathematica Slovaca, 2015
48. "JORDAN DERIVATIONS ON BLOCK UPPER TRIANGULAR MATRIX ALGEBRAS"
    Hoger Ghahramani
    Operators and Matrices, 2015
49. "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
50. "On derivations and Jordan derivations through zero products"
    Hoger Ghahramani
    Operators and Matrices, 2014
51. "Zero product determined triangular algebras"
    Hoger Ghahramani
    LINEAR & MULTILINEAR ALGEBRA, 2013
52. "Jordan derivations on trivial extensions"
    Hoger Ghahramani
    Bulletin of the Iranian Mathematical Society, 2013
53. "ON RINGS DETERMINED BY ZERO PRODUCTS"
    Hoger Ghahramani
    Journal of Algebra and Its Applications, 2013
54. "Zero product determined some nest algebras"
    Hoger Ghahramani
    Linear algebra and its applications, 2013
55. "EXISTENCE, AUTOMATIC CONTINUITY AND INVARIANT SUBMODULES OF GENERALIZED DERIVATIONS ON MODULES"
    Hoger Ghahramani, Gholam Hossein Esslamzadeh
    Aequationes mathematicae, 2012
56. "Skew polynomial rings of formal triangular matrix rings"
    Hoger Ghahramani
    JOURNAL OF ALGEBRA, 2012
57. "Additive mappings derivable at non-trivial idempotents on Banach algebras"
    Hoger Ghahramani
    LINEAR & MULTILINEAR ALGEBRA, 2012
58. "DIFFERENTIAL POLYNOMIAL RINGS OF TRIANGULAR MATRIX RINGS"
    Hoger Ghahramani, Ahmad Moussavi
    Bulletin of the Iranian Mathematical Society, 2008
59. "نگاشتهای خطی پیوسته روی جبرهای فون-نویمان با مقادیر مشابه پادمشتقها در عناصر متعامد"
    هوگر قهرمانی، بهروز فدایی، کمال فلاحی
    پژوهش های ریاضی، 1400
60. "رده ای از جبرهای عملگری تولید شده توسط خودتوان ها"
    هوگر قهرمانی، بهروز فدایی
    Wavelets and Linear Algebra، 1400
61. "بررسی میزان تاثیر چند عامل (علاقه، وسایل آموزشی، روش تدریس) بر یادگیری هندسه"
    هوگر قهرمانی، بهروز فدایی
    پژوهش در آموزش ریاضی، 1399

مقالات علمی ارائه شده در همایش‌ها

1. "Jordan derivations of a class of Banach algebras"
   هوگر قهرمانی، پروین زمانی دادانه
   یازدهمین سمینار آنالیز هارمونیک و کاربردها، 1403
2. "Lie centralizers on nest algebras"
   هوگر قهرمانی، روناک بهفر
   بیست و پنجمین سمینار آنالیز ریاضی و کاربردهای آن، 1402
3. "Derivations through two-sided orthogonality conditions on group algebras"
   هوگر قهرمانی، سامان ستاری
   دهمین سمینار آنالیز هارمونیک و کاربردها، 1401
4. "On bilinear maps on Banach *-algebra"
   هوگر قهرمانی، بهروز فدایی
   چهارمین کنفرانس بین المللی ریاضی و کامپیوتر، 1398
5. "CENTRALIZERS ON ⋆-ALGEBRAS CHARACTERIZED BY LOCAL ACTIONS"
   هوگر قهرمانی، بهروز فدایی
   بیست و ششمین سمینار جبر ایران، 1397
6. "On automatic continuity of the derivations on module extension of Banach algebras"
   هوگر قهرمانی، حمید فرهادی
   چهل و نهمین کنفرانس سالانه ریاضی ایران، 1397
7. "Commuting maps on quaternion rings"
   محمد نادر قصیری، هوگر قهرمانی، لیلا حیدری زاده
   اولین کنفرانس منطقه ای علوم ریاضی و کاربردها، 1396
8. "Ideal submodules in Hilbert C*-Modules"
   هوگر قهرمانی، سامان ستاری
   نهمین کنفرانس بین المللی ریاضی، 1396
9. "Automatic continuity of derivations on Lau product of Banach algebras‎"
   امجد علی پناه، هوگر قهرمانی
   کنفرانس ریاضی ناحیه قفقاز، 1396
10. "Inverse semigroup algebras are permanently weakly module amenable"
    هوگر قهرمانی، وانیا خداکرمی
    چهل و هشتمین سمینار ریاضی ایران، 1396
11. "On algebra homomorphisms of Lau products of Banach algebras"
    هوگر قهرمانی، حمید فرهادی
    چهل و هشتمین سمینار ریاضی ایران، 1396
12. "A study of some basic properties of Morita Equvalence by Ideal Submodules"
    هوگر قهرمانی، سامان ستاری
    چهل و هشتمین سمینار ریاضی ایران، 1396
13. "Investigation matrices obtaining integrals involving polynomials and Daubechies scaling functions"
    امجد علی پناه، هوگر قهرمانی
    کنفرانس ریاضی ناحیه قفقاز، 1396
14. "ON JORDAN CENTRALIZERS OF QUATERNION RINGS"
    محمد نادر قصیری، هوگر قهرمانی، لیلا حیدری زاده
    نهمین سمینار جبرخطی و کاربردهای آن، 1396
15. "Jordan derivable maps on triangular rings by commutative zero products"
    هوگر قهرمانی
    چهارمین سمینار جبر و کاربردهای آن، 1395
16. "CHARACTERIZITION OF MAPS BEHAVING LIKE JORDAN LEFT DERIVATIONS AT SEPECIAL PRODUCT ELEMENTS ON SOME OPERATOR ALGEBRAS"
    هوگر قهرمانی، بهروز فدایی
    بیست و یکمین سمینار آنالیز ریاضی و کاربردهای آن، 1393
17. "ZERO PRODUCT DETERMINED RINGS"
    هوگر قهرمانی، فریناز بلوریان
    بیست و چهارمین سمینار جبر ایران، 1393
18. "CHARACTERIZING JORDAN DERIVATIONS OF SOME ALGEBRAS THROUGH ZERO PRODUCTS"
    هوگر قهرمانی
    هفتمین سمینار جبرخطی و کاربردهای آن، 1392
19. "ADDITIVE MAPS OF SOME OPERATOR ALGEBRAS BEHAVING LIKE DERIVATIONS AT IDEMPOTENT-PRODUCT ELEMENTS"
    هوگر قهرمانی
    هفتمین سمینار جبرخطی و کاربردهای آن، 1392
20. "Derivations of nest algebras characterized by acting on zero products"
    هوگر قهرمانی
    بیستمین سمینار آنالیز ریاضی و کاربردهای آن، 1391
21. "$(\alpha,\beta)$-Jordan derivations of triangular algebras"
    هوگر قهرمانی، جمال خلیلی خضرلک
    چهل و یکمین کنفرانس بین المللی ریاضی ایران، 1389
22. "Characterizations of generalized derivations and generalized Jordan derivations on Banach algebras"
    هوگر قهرمانی، جمال خلیلی خضرلک
    چهل و یکمین کنفرانس بین المللی ریاضی ایران، 1389