Volume 28(2020)
1. Luis H. Gallardo

"Mason-Stothers theorem and perfect binary polynomials", 28, 2020, 1-8.
DOI: 10.24330/ieja.768086

2. Konrad Schrempf

"A factorization theory for some free fields", 28, 2020, 9-42.
DOI: 10.24330/ieja.768114

3. Nico Groenewald

"Weakly prime and weakly completely prime ideals of noncommutative rings", 28, 2020, 43-60.
DOI: 10.24330/ieja.768127 

4. Mohammad Abdulla and Ayman Badawi

"On the dot product graph of a commutative ring II", 28, 2020, 61-74.
DOI: 10.24330/ieja.768135

5. Maryam Hamidizadeh, Ebrahim Hashemi and Armando Reyes

"A classification of ring elements in skew PBW extensions over compatible rings",  28, 2020, 75-97.
DOI: 10.24330/ieja.768178

6. Horst Brunotte

"Integer multipliers of real polynomials without nonnegative roots", 28, 2020, 98-109.
DOI: 10.24330/ieja.768184

7. Nuttawoot Nupo and Chollawat Pookpienlert

"On connectedness and completeness of Cayley digraphs of
transformation semigroups with fixed sets"
, 28, 2020, 110-126.
DOI: 10.24330/ieja.768190

8. L. Oukhtite, H. El Mir and B. Nejjar

"Endomorphisms with central values on prime rings with involution", 28, 2020, 127-140.
DOI: 10.24330/ieja.768202

9. Ajim Uddin Ansari, B. K. Sharma and Shiv Datt Kumar

"Different types of G-prime ideals associated to a graded module
and graded primary decomposition in a graded Prüfer domain"
, 28, 2020, 141-155.
DOI: 10.24330/ieja.768206

10. Deepak Naidu

"Modular group images  arising from Drinfeld doubles of dihedral groups", 28, 2020, 156-174.
DOI: 10.24330/ieja.768210

11. Pierre Landrock

"On the radical of the center of small symmetric local algebras", 28, 2020, 175-186.
DOI: 10.24330/ieja.768246

12. Lindsey Bosko-Dunbar, Jonathan D. Dunbar, J. T. Hird and Kristen Stagg Rovira

"Minimal nonnilpotent Leibniz algebras", 28, 2020, 187-192.
DOI: 10.24330/ieja.768254

13. Emil Ilic-Georgijevic

"On graded UJ-rings", 28, 2020, 193-205.
DOI: 10.24330/ieja.768259

14. Virgilio P. Sison

"Bases and automorphism matrix of the Galois ring $GR(p^r,m)$ over $\mathbb{Z}_{p^r}$", 28, 2020, 206-219.
DOI: 10.24330/ieja.768265

15. Marjan Sheibani Abdolyousefi

"Nilpotent and linear combination of idempotent matrices" , 28, 2020, 220-228.
DOI: 10.24330/ieja.768269

16. Gabriel Picavet and Martine Picavet-L'Hermitte

"An addendum to the paper: Modules with finitely many submodules", 28, 2020, p. 229.
DOI: 10.24330/ieja.768272

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