view:34566 Last Update: 2025-2-3
فارسی
English| علمی-پژوهشی ISI-JCR | 25.
Halime Mahdiloo, Parviz Ahmadi, Masoud Hassani Actions with cohomogeneity zero or one on the de Sitter space dS^{n−1,1} DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS Issue 97 (2024-12-15) PP. 1-16
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| علمی-پژوهشی ISI-JCR | 24.
Fatemeh Ahmadi, Parviz Ahmadi, Hadi Khatibzadeh Khatibzadeh Product of Resolvents on Hadamard Manifolds Mediterranean Journal of Mathematics Issue 21 (2024-03-23) PP. 1-15
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| علمی-پژوهشی ISI-JCR | 23.
Masoud Hassani, Parviz Ahmadi Isometric actions on the four dimensional Minkowski spacetime DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS Issue 88 (2023-06-15) PP. 1-22
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| علمی-پژوهشی ISI-JCR | 22.
Parviz Ahmadi, Salim safari mazjin Actions on the Four-Dimensional Pseudo-Euclidean Space ℝ^{2,2} with a Three-Dimensional Orbit Journal of Mathematical Physics Analysis Geometry Issue 18 (2023-01-10) PP. 303-331
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| علمی-پژوهشی ISI-JCR | 21.
Zeinab Tadrisi, Parviz Ahmadi, Masoud Hassani, Salim safari mazjin Conformal actions on the Einstein universe JOURNAL OF GEOMETRY AND PHYSICS Issue 181 (2022-08-28) PP. 1-10
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| علمی-پژوهشی ISI-JCR | 20.
Parviz Ahmadi, Hadi Khatibzadeh Khatibzadeh, Saeid Mohebbi On the Generation of Nonlinear Semigroups of Contractions and Evolution Equations on Hadamard Manifolds Mediterranean Journal of Mathematics Issue 18 (2021-09-07) PP. 1-23
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| علمی-پژوهشی ISI-JCR | 19.
Parviz Ahmadi, Masoud Hassani Cohomogeneity one conformal actions on the 3-sphere and the three-dimensional Euclidean space PUBLICATIONES MATHEMATICAE-DEBRECEN Issue 99 (2021-07-28) PP. 51-68
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| علمی-پژوهشی لیست وزارتین نمایه شده در ISC | 18.
سجاد رنجبر, هادی خطیب زاده, پرویز احمدی تحدب در فضاهای متریک و ژئودزیک پژوهش های ریاضی (علوم سابق) خوارزمی شماره 7 (1400/04/01) صفحات 67-82
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| 17.
Parviz Ahmadi, Salim safari mazjin, Masoud Hassani A Classification of Cohomogeneity One Actions on the Minkowski Space R^{3,1} Bulletin of the Iranian Mathematical Society Issue 47 (2020-11-09) PP. 1905-1924
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| علمی-پژوهشی ISI-JCR | 16.
Masoud Hassani, Parviz Ahmadi Cohomogeneity one actions on the three-dimensional Einstein universe GEOMETRIAE DEDICATA Issue 206 (2020-04-27) PP. 105-150
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| علمی-پژوهشی ISI-JCR | 15.
Parviz Ahmadi, Salim safari mazjin On cohomogeneity one linear actions on pseudo-Euclidean space $\mathbb{R}^{p,q}$ DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS Issue 68 (2020-02-01) PP. 1-17
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| علمی-ترویجی لیست وزارتین نمایه شده در ISC | 14.
پرویز احمدی, مسعود حسنی, رضا میرزایی مروری بر عمل های با نقص همگنی یک فرهنگ و اندیشه ریاضی شماره 64 (1398/09/24) صفحات 79-98
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| علمی-پژوهشی ISI-JCR | 13.
Parviz Ahmadi Cohomogeneity One Dynamics on Three Dimensional Minkowski Space Journal of Mathematical Physics Analysis Geometry Issue 15 (2019-06-10) PP. 155-169
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| علمی-پژوهشی ISI-JCR | 12.
Parviz Ahmadi, Hadi Khatibzadeh Khatibzadeh Semi-group generated by evolution equations associated with monotone vector fields PUBLICATIONES MATHEMATICAE-DEBRECEN Issue 93 (2018-10-27) PP. 1-17
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| علمی-پژوهشی ISI-JCR | 11.
Parviz Ahmadi, Hadi Khatibzadeh Khatibzadeh Long Time Behavior of Quasi-convex and Pseudo-convex Gradient Systems on Riemannian Manifolds Filomat Issue 31 (2017-12-10) PP. 4571-4578
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| 10.
Parviz Ahmadi, Masoud Hassani A NOTE ON EXTRINSIC FRAME HOMOGENEITY OF HYPERQUADRICS ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS Issue 37 (2017-01-01) PP. 473-476
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| علمی-پژوهشی ISI-JCR | 9.
Parviz Ahmadi, Hadi Khatibzadeh Khatibzadeh On the convergence of solutions to a difference inclusion on Hadamard manifolds Bulletin of the Iranian Mathematical Society Issue 41 (2015-08-23) PP. 1045-1059
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| علمی-پژوهشی ISI-JCR | 8.
Parviz Ahmadi cohomogeneity one three dimensional anti de sitter space, proper and nonproper actions DIFFERENTIAL GEOMETRY AND ITS APPLICATIONS Issue 39 (2015-04-01) PP. 93-112
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| علمی-پژوهشی ISI-JCR | 7.
Parviz Ahmadi Singular Orbits in Cohomogeneity One Pseudo-Euclidean Space R^4_\nu Bulletin of the Malaysian Mathematical Sciences Society Issue 38 (2015-02-14) PP. 73-90
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| علمی-پژوهشی None ISI | 6.
Parviz Ahmadi, Hadi Khatibzadeh Khatibzadeh Convergence and Rate of Convergence of a Non-Autonomous Gradient System on Hadamard Manifolds Lobachevskii Journal of Mathematics Issue 35 (2014-07-01) PP. 165-171
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| علمی-پژوهشی ISI-JCR | 5.
Parviz Ahmadi, Hadi Khatibzadeh Khatibzadeh ON THE CONVERGENCE OF INEXACT PROXIMAL POINT ALGORITHM ON HADAMARD MANIFOLDS TAIWANESE JOURNAL OF MATHEMATICS Issue 18 (2014-04-15) PP. 419-433
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| علمی-پژوهشی ISI-JCR | 4.
Parviz Ahmadi, Seyed Mohammad Bagher kashani Cohomogeneity one Minkowski space Rn 1 PUBLICATIONES MATHEMATICAE-DEBRECEN Issue 78 (2011-02-15) PP. 49-59
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| علمی-پژوهشی ISI-JCR | 3.
Parviz Ahmadi, Seyed Mohammad Bagher kashani, Hossein Abedi Cohomogeneity one de Sitter space S n 1 ACTA MATHEMATICA SINICA-ENGLISH SERIES Issue 26 (2010-09-15) PP. 1915-1926
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| 2.
Parviz Ahmadi On groups acting by cohomogeneity one on the euclidean space Journal of Contemporary Mathematical Analysis-Armenian Academy of Sciences Issue 45 (2010-06-15) PP. 174-177
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| 1.
Parviz Ahmadi, Seyed Mohammad Bagher kashani COHOMOGENEITY ONE ANTI DE SITTER SPACE H^3_1 Bulletin of the Iranian Mathematical Society Issue 35 (2009-04-15) PP. 221-233
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Presentations in Seminars & Conferences | |
| ملی معتبر |
11. Parviz Ahmadi, Halime Mahdiloo De Sitter space and isometric actions = دانشگاه زنجان, زنجان, 2023-08-23 - 2023-08-25 |
| ملی معتبر |
10. Parviz Ahmadi, Zeinab Tadrisi, Masoud Hassani, Salim safari mazjin Cohomogeneity one irreducible actions on the null cone in R^{2,4} = دانشگاه زنجان, زنجان, 2023-08-23 - 2023-08-25 |
| ملی معتبر |
9. پرویز احمدی, سلیم صفری مزجین On isometric actions of SL(2,R) on its Lie algebra سمینار هندسه و توپولوژی دانشگاه مراغه و انجمن ریاضی ایران, مراغه, 1396/05/04 - 1396/05/05 |
| ملی معتبر |
8. Pashaei firooz, Marziyeh gholiozadeh haji mosayeb, Parviz Ahmadi Generalization of the condition $\Delta(x)=\lambda x$ of Takahashi Theorem to space-like hypersurfaces in de Sitter space Annual Iranian Mathematics Conference دانشگاه سمنان, سمنان, 2014-08-26 - 2014-08-29 |
| ملی معتبر |
7. پرویز احمدی On cohomogeneity one actions of a Heisenberg Lie group on some Lorentz manifolds سمینار هندسه و توپولوژی دانشگاه علم و صنعت ایران, تهران, 1392/11/09 - 1392/11/10 |
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6. پرویز احمدی On the causal character of the orbits in cohomogeneity one minkowski space R^3-1 Annual Iranian Mathematics Conference دانشگاه تبریز, تبریز, 2012-08-27 - 2012-08-30 |
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5. پرویز احمدی Some notes on the isometric action of Sl(2;r) on the de sitter Annual Iranian Mathematics Conference دانشگاه تبریز, تبریز, 2012-08-27 - 2012-08-30 |
| ملی معتبر |
4. پرویز احمدی rimannian principal orbits in.... سمینار هندسه و توپولوژی دانشگاه بناب, بناب, 1390/06/27 - 1390/06/29 |
| ملی معتبر |
3. پرویز احمدی On non-proper actions on the de sitter space Annual Iranian Mathematics Conference دانشگاه رفسنجان, رفسنجان, 2011-09-05 - 2011-09-08 |
| ملی معتبر |
2. پرویز احمدی On closed subgroups of the isometry ..... Annual Iranian Mathematics Conference دانشگاه رفسنجان, رفسنجان, 2011-09-05 - 2011-09-08 |
| ملی معتبر |
1. Parviz Ahmadi, Seyed Mohammad Bagher kashani on proper actions on anti de sitter space H 1,2 Annual Iranian Mathematics Conference دانشگاه ارومیه, ارومیه, 2010-09-12 - 2010-09-15 |