Staff
Dr Hajar Roshan |
Assistant Professor |
![]() |
Dr. Hajar Roshan Assistant Professor at Arak University of Technology Ph.D in Commutative algebra Phone: +988633400713 |
Dr Hajar Roshan |
Assistant Professor |
![]() |
Dr. Hajar Roshan Assistant Professor at Arak University of Technology Ph.D in Commutative algebra Phone: +988633400713 |
Research Interests
Commutative algebra
Selected Publications
- Hartshorne's questions and weakly cofiniteness, Submitted (with M. Hatamkhani)
- On The Cofiniteness Of Local Cohomology Modules, Submitted.
- On the local-global principle for the local cohomology modules, Accepted
- Topological Dimension Of Pseudo-Prime Spectrum Of Modules, Commun. Korean Math. Soc. 32 (2017), No. 3, pp. 553–563 (with D. Hassanzadeh-Lelekaami).
- Associated primes of local cohomology modules of generalized laskerian modules, Czechoslovak Mathematical Journal, Accepted (with D. Hassanzadeh-Lelekaami).
- Torsion functors of cominimax modules, Accepted (with D. Hassanzadeh-Lelekaami).
- A graph over the commutative rings, Bol. Soc. Mat. Mex. DOI 10.1007/s40590-016-0132-8 (with D. Hassanzadeh-Lelekaami and L. Hamedi).
- Cominimaxness of local cohomology modules with respect to ideals of dimension one, Honam Mathematical J. Vol 40 (2018), No 2, pp.211-218.
- Some Results On The Total Graph With Respect To An Ideal, TWMS Journal of Pure and Applied Mathematics, accepted (with D. Hassanzadeh-Lelekaami and L. Hamedi)
- On regular modules over commutative rings, Bull. Malays. Math. Sci. Soc. (2017) (with D. Hassanzadeh-Lelekaami)
- On a graph of homogenous submodules of graded modules, Mathematical Reports,VOL.19(69),No.1,2017 (with D. Hassanzadeh-Lelekaami)
- Extension functors of cominimax modules, Communications in Algebra, 2017, VOL. 45, NO. 2, 621–629. (with D. Hassanzadeh-Lelekaami)
- On the generalized local cohomology of minimax modules, Journal of Algebra and Its Applications, Vol. 15, No. 8 (2016). (with D. Hassanzadeh-Lelekaami)
- Pseudo-Prime Submodules of Modules, Math. Rep. (to appear). (with D. Hassanzadeh-Lelekaami)
- Associated Graphs of Modules Over Commutative Rings, Iranian Journal of Mathematical Sciences and Informatics, Vol. 10, No. 1 (2015), pp 45-58. (with A. Abbasi and D. Hassanzadeh-Lelekaami)
- Prime submodules and a sheaf on the prime spectra of modules, Comm. Algebra, Vol. 42, Iss. 7, (2014), 3063-3077. (with D. Hassanzadeh-Lelekaami)
- A generalization of the finitenessproblem of the local cohomology modules, Czechoslovak Mathematical Journal, 64 (139) (2014), 69–78 (with A. Abbasi).
- Some results on the local cohomology of minimax modules, Czechoslovak Mathematical Journal, 64 (139) (2014), 327–333. (with A. Abbasi and D. Hassanzadeh-Lelekaami)
- Some results on the finiteness of generalized local cohomology modules using Serre classes, Proc. Natl. Acad. Sci. India Sect. A Phys. Sci.,(2013) 83: 265-269. (with A. Abbasi)
- Minimaxness of local cohomology modules defined by a pair of ideals, Honam Math. J. 34 (2012), no.2, 161-169. (with A. Abbasi)
- N. Tanha, A. Abbasi and H. Roshan-Shekalgourabi, The Combinatorial dimension of spectrum of top modules, Korean Ann. Math., 29 (2012), no. 1, 17-29. (with N. Tanha and A. Abbasi)
- A.Abbasi and H.Roshan-Shekalgourabi,Serre subcategory properties of generalized local cohomology modules, Korean Ann. Math., 28 (2011), no.1, 25-37. (with A. Abbasi)
Announcements | See More |