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Dr Hajar Roshan

Assistant Professor

{Arakut} {Gallery} 

Dr. Hajar Roshan

Assistant Professor at Arak University of Technology

Ph.D in Commutative algebra  

Phone:         +988633400713
Email:        This email address is being protected from spambots. You need JavaScript enabled to view it.
Address:      Arak University of Technology, Daneshgah St., Arak, Iran. Post Code: 38181-41167

Dr Hajar Roshan

Assistant Professor

{Arakut} {Gallery} 

Dr. Hajar Roshan

Assistant Professor at Arak University of Technology

Ph.D in Commutative algebra  

Phone:         +988633400713
Email:        This email address is being protected from spambots. You need JavaScript enabled to view it.
Address:      Arak University of Technology, Daneshgah St., Arak, Iran. Post Code: 38181-41167

Research Interests

Commutative algebra  

 

Selected Publications

  1. Hartshorne's questions and weakly cofiniteness,  Submitted (with M. Hatamkhani)
  2. On The Cofiniteness Of Local Cohomology Modules, Submitted.
  3.  On the local-global principle for the local cohomology modules, Accepted
  4. Topological Dimension Of Pseudo-Prime Spectrum Of Modules, Commun. Korean Math. Soc. 32 (2017), No. 3, pp. 553–563 (with D. Hassanzadeh-Lelekaami).
  5.  Associated primes of local cohomology modules of generalized laskerian modules, Czechoslovak Mathematical Journal, Accepted (with D. Hassanzadeh-Lelekaami).
  6.  Torsion functors of cominimax modules, Accepted (with D. Hassanzadeh-Lelekaami).
  7. A graph over the commutative rings, Bol. Soc. Mat. Mex. DOI 10.1007/s40590-016-0132-8 (with D. Hassanzadeh-Lelekaami and L. Hamedi).
  8.  Cominimaxness of local cohomology modules with respect to ideals of dimension one, Honam Mathematical J. Vol 40 (2018),  No 2, pp.211-218.
  9. 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)
  10.  On regular modules over commutative rings, Bull. Malays. Math. Sci. Soc. (2017) (with D. Hassanzadeh-Lelekaami)
  11. On a graph of homogenous submodules of graded modules, Mathematical Reports,VOL.19(69),No.1,2017 (with D. Hassanzadeh-Lelekaami)
  12. Extension functors of cominimax modules, Communications in Algebra, 2017, VOL. 45, NO. 2, 621–629. (with D. Hassanzadeh-Lelekaami)
  13. On the generalized local cohomology of minimax modules, Journal of Algebra and Its Applications, Vol. 15, No. 8 (2016). (with D. Hassanzadeh-Lelekaami)
  14.  Pseudo-Prime Submodules of Modules, Math. Rep. (to appear). (with D. Hassanzadeh-Lelekaami)
  15.  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)
  16.  Prime submodules and a sheaf on the prime spectra of modules, Comm. Algebra, Vol. 42, Iss. 7, (2014), 3063-3077.  (with D. Hassanzadeh-Lelekaami)
  17.  A generalization of the finitenessproblem of the local cohomology modules, Czechoslovak Mathematical Journal, 64 (139) (2014), 69–78 (with A. Abbasi).
  18.  Some results on the local cohomology of minimax modules, Czechoslovak Mathematical Journal, 64 (139) (2014), 327–333. (with A. Abbasi and D. Hassanzadeh-Lelekaami)
  19.  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)
  20.  Minimaxness of local cohomology modules defined by a pair of ideals, Honam Math. J. 34 (2012), no.2, 161-169. (with A. Abbasi)
  21.  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)
  22.  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)

 

Teaching

 

 

Graduate courses

Undergraduate courses

Advanced Algebra

Calculus
Differential equations
Linear Algebra
Engineering mathematics
Numerical computation

 

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