Breaz, Simion; Modoi, George-Ciprian. Ideal cotorsion theories in triangulated categories. 
		Journal of Algebra, 567 (2021), 475--532. 
		link to journal.

		
 Breaz, Simion; Megiesan, Sergiu. Nonderogatory matrices as sums of idempotent and nilpotent matrices. 
		Linear Algebra and its Applications, 605 (2020), 239--248. 
		link to journal.


 Breaz, Simion. The ascent-descent property for 2-term silting complexes. 
		Publicacions Matemàtiques 64 (2020), 543--562. 
		link to journal;  arXiv 1905.02885.
 Breaz, Simion; Modoi, George-Ciprian. Equivalences induced by infinitely generated silting modules. 
		Algebr. Represent. Theory., to appear. 
		link to journal;  arXiv 1705.10981.

 Breaz, Simion;  Călugăreanu, Grigore;  Chekhlov, Andrey. Strictly invariant submodules. 
		Mediterr. J. Math.  16  (2019),  no. 4, Paper No. 103, 14 pp. 
		link to journal;  arXiv 1902.00940. 
	 
 
  Breaz, Simion. Self-pure-generators over Dedekind domains.
		J. Pure Appl. Algebra  223  (2019),  no. 12, 5176--5184.
		link to journal;  arXiv 1804.02116. 
 
  Breaz, Simion. Endomorphisms of free modules as sums of four quadratic endomorphisms.
		Linear Multilinear Algebra  66  (2018),  no. 11, 2215--2217.
		link to journal;  preprint . 
 
  Breaz, Simion;  Cîmpean, Andrada. Weakly tripotent rings.
		 Bull. Korean Math. Soc.  55  (2018),  no. 4, 1179--1187.
		link to journal;  arXiv 1704.01303. 

 
  Breaz, Simion. Matrices over finite fields as sums of periodic and nilpotent elements.
		Linear Algebra Appl.  555  (2018), 92--97. MR3834194
		link to journal;  preprint . 

 
  Breaz, Simion;  Žemlička, Jan. Torsion classes generated by silting modules.
		Ark. Mat.  56  (2018),  no. 1, 15--32. MR3800456
		link to journal;  arXiv 1601.06655. 
 
  Breaz, Simon;  Călugăreanu, Grigore. Strongly inert subgroups of abelian groups.
		Rend. Semin. Mat. Univ. Padova  138  (2017), 101--114. MR3743247 
		link to journal;  preprint . 
 
  Breaz, Simion;  Pop, Flaviu. Cosilting modules.
		Algebr. Represent. Theory  20  (2017),  no. 5, 1305--1321. MR3707917
		link to journal;  arXiv 1510.05098. 
 
  Breaz, Simion;  Călugăreanu, Grigore. Sums of nilpotent matrices.
		Linear Multilinear Algebra  65  (2017),  no. 1, 67--78. MR3575879
		link to journal;  preprint . 
 
  Breaz, Simion;  Danchev, Peter;  Zhou, Yiqiang. Rings in which every element is either a sum or a difference of a nilpotent and an idempotent.
		J. Algebra Appl.  15  (2016),  no. 8, 1650148, 11 pp. MR3528770
	
 
  Breaz, Simion. A Banach contraction principle for abelian groups.
		Fixed Point Theory  17  (2016),  no. 2, 289--293. MR3524114
	
 
  Breaz, Simion;  Žemlička, Jan. The defect functor of a homomorphism and direct unions.
		Algebr. Represent. Theory  19  (2016),  no. 1, 181--208. MR3465897
		link to journal;  arXiv . 
 
  Breaz, Simion;  Modoi, George Ciprian. Nil-clean companion matrices.
		Linear Algebra Appl.  489  (2016), 50--60. MR3421837
		link to journal;  arXiv . 
 
  Breaz, Simion. Finite torsion-free rank endomorphism rings.
		Carpathian J. Math.  31  (2015),  no. 1, 39--43. MR3408593

 
  Breaz, Simion;  Călugăreanu, Grigore;  Schultz, Phill. Subgroups which admit extensions of homomorphisms.
		Forum Math.  27  (2015),  no. 5, 2533--2549. MR3393370
		link to journal;  arXiv . 
 
  Breaz, Simion. Σ-pure injectivity and Brown representability.
		Proc. Amer. Math. Soc.  143  (2015),  no. 7, 2789--2794. MR3336604
		link to journal;  arXiv . 
 
  Breaz, Simion. A Baer-Kaplansky theorem for modules over principal ideal domains.
		J. Commut. Algebra  7  (2015),  no. 1, 1--7. MR3316982
		link to journal;  arXiv . 
 
  Albrecht, Ulrich;  Breaz, Simion;  Schultz, Phill. The Ext functor and self-sums.
		Forum Math.  26  (2014),  no. 3, 851--862. MR3200352
		link to journal;  arXiv . 
 
  Albrecht, U.;  Breaz, S.  A note on self-small modules over RM-domains.
		J. Algebra Appl.  13  (2014),  no. 1, 1350073, 8 pp. MR3096854
		link to journal;  arXiv . 
 
  Breaz, Simion. Modules M such that Ext1R(M,) commutes with direct limits.
		Algebr. Represent. Theory  16  (2013),  no. 6, 1799--1808. MR3127358
		link to journal;  arXiv . 
 
  Breaz, S.;  Călugăreanu, G.;  Danchev, P.;  Micu, T.  Nil-clean matrix rings.
		Linear Algebra Appl.  439  (2013),  no. 10, 3115--3119. MR3116417
		link to journal;  arXiv . 
 
  Breaz, Simion;  Schultz, Phill. When EXT commutes with direct sums.
		J. Algebra Appl.  11  (2012),  no. 5, 1250153, 4 pp. MR2983194
		link to journal;  arXiv . 
 
  Albrecht, Ulrich;  Breaz, Simion;  Schultz, Phill. Functorial properties of Hom and Ext.
		 Groups and model theory, 1--15, Contemp. Math., 576, Amer. Math. Soc., Providence, RI,  2012. MR2962871

 
  Breaz, Simion. Direct products and the contravariant hom-functor.
		Bull. Lond. Math. Soc.  44  (2012),  no. 1, 136--138. MR2881331
		link to journal;  arXiv . 
 
  Breaz, Simion;  Schultz, Phill. Dualities for self-small groups.
		Proc. Amer. Math. Soc.  140  (2012),  no. 1, 69--82. MR2833518
		link to journal;  arXiv . 
 
  Breaz, Simion;  Călugăreanu, Grigore;  Schultz, Phill. Modules with Dedekind finite endomorphism rings.
		Mathematica  53(76)  (2011),  no. 1, 15--28. MR2840625
		link to journal;  arXiv . 
 
  Albrecht, Ulrich;  Breaz, Simion;  Wickless, William. S-groups.
		J. Algebra Appl.  10  (2011),  no. 2, 357--363. MR2795743
		link to journal;  arXiv . 
 
  Breaz, Simion. Warfield dualities induced by self-small mixed groups.
		J. Group Theory  13  (2010),  no. 3, 391--409. MR2653527
		link to journal;  arXiv . 
 
MR2645961  Breaz, Simion;  Pop, Flaviu. Dualities induced by right adjoint contravariant functors.
 Stud. Univ. Babeş-Bolyai Math.  55  (2010),  no. 1, 75--83.
		link to journal;  arXiv . 
 
MR2580462  Breaz, Simion;  Trlifaj, Jan. Modules determined by their annihilator classes.
 J. Lond. Math. Soc. (2)  81  (2010),  no. 1, 225--240.
		link to journal;  arXiv . 
 
MR2564852  Albrecht, Ulrich;  Breaz, Simion. A note on mixed A-reflexive groups.
 J. Algebra  323  (2010),  no. 2, 509--516.
		link to journal;  arXiv . 
 
MR2682252  Breaz, Simion;  Modoi, George Ciprian. A reformulation of Brown representability theorem.
 Mathematica  51(74)  (2009),  no. 2, 129--133.
		link to journal;  arXiv . 
 
MR2603201  Breaz, Simion;  Modoi, George Ciprian;  Pop, Flaviu. Natural equivalences and dualities.
 Proceedings of the International Conference on Modules and Representation Theory, 
 25--40, Presa Univ. Clujeană, Cluj-Napoca,  2009. 
		link to journal;  arXiv . 
 
MR2582835  Breaz, Simion. Commutativity criterions using normal subgroup lattices.
 Rend. Semin. Mat. Univ. Padova  122  (2009), 161--169. ISBN: 978-88-7784-313-5 
		link to journal;  arXiv . 
 
MR2581988  Albrecht, Ulrich;  Breaz, Simion. Quasi-isomorphisms and groups of quasi-homomorphisms.
 J. Algebra Appl.  8  (2009),  no. 5, 617--627.
		link to journal;  arXiv . 
 
MR2554194  Breaz, Simion. Finitistic n-self-cotilting modules.
 Comm. Algebra  37  (2009),  no. 9, 3152--3170.
		link to journal;  arXiv . 
 
MR2540354  Albrecht, Ulrich;  Breaz, Simion;  Wickless, William. Self-small abelian groups.
 Bull. Aust. Math. Soc.  80  (2009),  no. 2, 205--216.
		link to journal;  arXiv . 
 
MR2523036  Breaz, S.;  Pelea, C.;  Purdea, I.  Products of hypergroupoids associated to binary relations.
 Carpathian J. Math.  25  (2009),  no. 1, 23--36.
		link to journal;  arXiv . 
 
MR2493712  Albrecht, Ulrich;  Breaz, Simion;  Wickless, William. A-solvability and mixed abelian groups.
 Comm. Algebra  37  (2009),  no. 2, 439--452.
		link to journal;  arXiv . 
 
MR2543442  Breaz, Simion. The number of Remak decompositions of a finite abelian group.
 Mathematica  50(73)  (2008),  no. 2, 159--168.
		link to journal;  arXiv . 
 
MR2417401  Albrecht, Ulrich;  Breaz, Simion;  Wickless, William. Finitely A-cogenerated abelian groups.
 Houston J. Math.  34  (2008),  no. 2, 409--421.
		link to journal;  arXiv . 
 
MR2401171  Breaz, Simion;  Călugăreanu, Grigore. Every abelian group is determined by a subgroup lattice.
 Studia Sci. Math. Hungar.  45  (2008),  no. 1, 135--137.
		link to journal;  arXiv . 
 
MR2365158  Breaz, Simion;  Pelea, Cosmin. Professor Grigore Călugăreanu at his 60th anniversary.
 Stud. Univ. Babeş-Bolyai Math.  52  (2007),  no. 2, 3--8.
		link to journal;  arXiv . 
 
MR2362684  Albrecht, Ulrich;  Breaz, Simion;  Wickless, William. Purity and self-small groups.
 Comm. Algebra  35  (2007),  no. 11, 3789--3807.
		link to journal;  arXiv . 
 
MR2360157  Albrecht, Ulrich;  Breaz, Simion;  Vinsonhaler, Charles;  Wickless, William. Cancellation properties for quotient divisible groups.
 J. Algebra  317  (2007),  no. 1, 424--434.
		link to journal;  arXiv . 
 
MR2351899  Breaz, Simion;  Žemlička, Jan. When every self-small module is finitely generated.
 J. Algebra  315  (2007),  no. 2, 885--893.
		link to journal;  arXiv . 
 
MR2338591  Breaz, Simion. Self-small abelian groups of finite torsion free rank.
 Proceedings of the Algebra Symposium, 
 17--30, Editura EFES, Cluj-Napoca,  2006. 
		link to journal;  arXiv . 
 
MR2287346  Breaz, Simion;  Călugăreanu, Grigore. Self-c-injective abelian groups.
 Rend. Sem. Mat. Univ. Padova  116  (2006), 193--203.
		link to journal;  arXiv . 
 
MR2211407  Albrecht, U.;  Breaz, S.;  Wickless, W.  Generalized endoprimal abelian groups.
 J. Algebra Appl.  5  (2006),  no. 1, 1--17.
		link to journal;  arXiv . 
 
MR2177825  Khazal, R. R.;  Breaz, S.;  Călugăreanu, G.  On torsion-free periodic rings.
 Int. J. Math. Math. Sci.  2005,  no. 14, 2321--2327.
		link to journal;  arXiv . 
 
MR2173963  Albrecht, Ulrich;  Breaz, Simion;  Wickless, William. The finite quasi-Baer property.
 J. Algebra  293  (2005),  no. 1, 1--16.
		link to journal;  arXiv . 
 
MR2129487  Breaz, Simion;  Călugăreanu, Grigore. Abelian groups whose subgroup lattice is the union of two intervals.
 J. Aust. Math. Soc.  78  (2005),  no. 1, 27--36.
		link to journal;  arXiv . 
 
MR2121661  Breaz, Simion. A Morita type theorem for a sort of quotient categories.
 Czechoslovak Math. J.  55(130)  (2005),  no. 1, 133--144.
		link to journal;  arXiv . 
 
MR2100362  Breaz, Simion. Quasi-decompositions for self-small abelian groups.
 Comm. Algebra  32  (2004),  no. 4, 1373--1384.
		link to journal;  arXiv . 
 
MR2048307  Breaz, Simion. The quasi-Baer-splitting property for mixed abelian groups.
 J. Pure Appl. Algebra  191  (2004),  no. 1-2, 75--87.
		link to journal;  arXiv . 
 
MR1998035  Breaz, Simion. Self-small abelian groups as modules over their endomorphism rings.
 Comm. Algebra  31  (2003),  no. 10, 4911--4924.
		link to journal;  arXiv . 
 
MR1983467  Breaz, Simion. Almost-flat modules.
 Czechoslovak Math. J.  53(128)  (2003),  no. 2, 479--489.
		link to journal;  arXiv . 
 
MR1977715  Călugăreanu, Grigore;  Breaz, Simion;  Modoi, Ciprian;  Pelea, Cosmin;  Vălcan, Dumitru. Exercises in abelian group theory.
Kluwer Texts in the Mathematical Sciences, 25. Kluwer Academic Publishers Group, Dordrecht,  2003. xii+349 pp. ISBN: 1-4020-1183-0 
		link to journal;  arXiv . 
 
MR1989587  Breaz, Simion;  Modoi, Ciprian. On a quotient category.
 Studia Univ. Babeş-Bolyai Math.  47  (2002),  no. 2, 17--29.
		link to journal;  arXiv . 
 
MR1936485  Breaz, Simion. On a class of mixed groups with semi-local WALK-endomorphism ring.
 Comm. Algebra  30  (2002),  no. 9, 4473--4485.
		link to journal;  arXiv . 
 
MR1920516  Breaz, Simion;  Călugăreanu, Grigore. Abelian groups have/are near Frattini subgroups.
 Comment. Math. Univ. Carolin.  43  (2002),  no. 3, 395--405.
		link to journal;  arXiv . 
 
MR2002645  Pelea, Cosmin;  Breaz, Simion. Multialgebras and term functions over the algebra of their nonvoid subsets.
 Mathematica  43(66)  (2001),  no. 2, 143--149 (2003).
		link to journal;  arXiv . 
 
MR2002644  Breaz, Simion;  Modoi, Ciprian. Abelian groups such that the class of adstatic modules is closed under submodules.
 Mathematica  43(66)  (2001),  no. 2, 137--141 (2003).
		link to journal;  arXiv . 
 
MR2002450  Breaz, Simion. Self-small torsion free abelian groups.
 Mathematica  42(65)  (2000),  no. 1, 3--7 (2001).
		link to journal;  arXiv . 
 
MR1988617  Breaz, Simion;  Modoi, Ciprian. Colimits in the category of A-solvable modules.
 Mathematica  42(65)  (2000),  no. 2, 121--128 (2001).
		link to journal;  arXiv . 
 

1. S. Breaz, Finitistic $n$-quasi-tilting modules, to appear in Communications in Algebra, pdf
2. S. Breaz, Warfield dualities induced by self-small mixed groups, to appear in Journal of Group Theory, pdf
3. U. Albrecht, S. Breaz, W. Wickless, Self-small abelian groups, to appear in Bulletin of the Australian Mathematical Society pdf
4. S. Breaz, Commutativity conditions using normal subgroup lattices, to appear in Rendiconti del Seminario Matematico dell'Universita di Padova pdf
5. S. Breaz, C. Modoi, A reformulation of Brown Representability Theorem, to appear in Mathematica (Cluj), pdf
6. S. Breaz, C. Pelea, I. Purdea, Products of hypergroupoids associated to binary relations, to appear in Carpathian Journal of Mathematics pdf
7. U. Albrecht, S. Breaz, A Note on Mixed $A$-reflexive groups, pdf, to appear in Journal of Algebra
8. S. Breaz, J. Trlifaj, Modules determined by their annihilator classes, to appear in Journal of the London Mathematical Society pdf
9. S. Breaz, P. Schultz, Dualities for self-small groups, pdf, to appear in Proc. Amer. Math. Soc.
10. U. Albrecht, S. Breaz, W. Wickless, S*-groups pdf, to appear in Journal of Algebra and its Applications
11. S. Breaz, Direct products and the contravariant hom-functor, pdf, to appear in Bull. London Math. Soc.
12. S. Breaz, P. Schultz, When Ext commutes with direct sums, pdf., to appear in Journal of Algebra and Its Applications.
13 U. Albrecht, S. Breaz, P. Schultz, Functorial properties of Hom and Ext, pdf., to appear in Contemporary Mathematics.
14. S. Breaz, Modules $M$ such that $\Ext_R^1(M,-)$ commutes with direct limits, pdf, to appear in Algebras and Representation Theory. (Note: The paper 14 replaced the old preprint Modules $M$ such that $\Ext_R^1(M,-)$ commutes with direct sums--the hereditary case)
15. U. Albrecht, S. Breaz, P. Schultz, The Ext functor and self-sums, pdf, to appear in Forum Math.
16. S. Breaz, When Ext commutes with direct unions, pdf






















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