Algebra

Group Theory

Noncommutative rings

Representation Theory

Matrix Rings.

n- sum property of rings and modules

unit sum number of rings and modules

۱-N. Ashrafi, N. Pouyan, The unit sum number of Baer Rings. Bulletin of the Iranian Mathematical

Society. 42 no. 2 (2016), 427-434.

۲-N. Ashrafi, N. Pouyan, On Twin-good Rings , Iranian Journal Of Mathematical Sciences And Information. Vol. 12, No. 1 (2017), pp 119-129.

۳- N. Ashrafi, N. Pouyan, The unit sum number of discrete modules. Bulletin of the Iranian Mathematical Society. 37 no. 4 (2011), 243-249. rings, Quart. J. Math. Oxford Ser. (2) 56 (2005) 1-12.

۲٫

۱- N. Ashrafi, N. Pouyan, The Unit Sum Number Of Clean Rings And Modules. Accepted for presentation. 40^th Annual Iranian Mathematics conference sharif university of technology. (17-20 August 2009).

۲- N. Ashrafi, N. Pouyan, Two Classes Of Rings Generated By Their Units. Accepted for presentation. 43th Annual Iranian Mathematics conference tabriz university of technology. (August 30, 2012).

۳- N. Ashrafi, N. Pouyan, Decomposing Elements Of a Regular Baer Rings. Accepted for presentation. 45^th Annual Iranian Mathematics conference . Semnan University Of Techniligy. (26 – 29, August, 2014).

۱- N. Pouyan, The Unit Sum Number Of Potent Rings. Accepted for presentation. First Local Conference of Mathematical Science and Applications, Shahid Chamran University of Ahvaz, 29 Azar, 1396 (December 20, 2017)

۲- N. Pouyan, Some class of 2-good rings. First Local Conference of Mathematical Science and Applications, Shahid Chamran University of Ahvaz, 29 Azar, 1396 (December 20, 2017)

۲٫

1. بررسی خاصیت عدد جمعی یکالی حلقه های پوتنت
2. دسته بندی برخی از حلقه های دارای خاصیت ۲-گود

۲٫

۲٫

۲٫