Scientific papers
M. Joiţa, L-T, Costache, Operator factorization of range space relations, Linear and Multilinear algebra. To appear
M. Joiţa, Unbounded local completely positive maps of local order zero, Positivity, 25(2021), 3, 1217-1227
M. Joiţa, Completely positive maps of order zero on pro-C*-algebras, Forum Mathematicum, 33(2021),1,29-37.
M.B. Asadi, R. Behmani, M Joiţa, Ternary Domain of a completely positive map on a Hilbert C*-module, Studia Mathematica, 255 (2020) ,1, 27-53
J. Heo, M. Joiţa, A Radon-Nikodym type theorem for invariant symmetric completely positive and completely bounded multilinear maps on Hilbert C*-modules, Linear and Multilinear algebra, 68(2020),9, 1878-1893
M. Joiţa, Pro-C*-algebras associated pro-C*-correspondences versus tensor products, Acta Math. Hungar., 160 (2020), 2, 249-272.
J. Heo, M. Joiţa, A Stinespring type theorem for completely positive multilinear maps on Hilbert-modules, Linear and Multilinear Algebra ,67(2019), 1, 121-140.
M. Joiţa, Scattered locally C*-algebras, Ann. Funct. Analysis, 9(2018),1,30-40.
M. Joiţa, Pro-C*-algebras associated to tensor products of pro-C*-correspondences, Journal of Mathematical Analysis and Applications, 455 (2017), 2, 1822-1834
M. Joiţa, Covariant version of the Stinespring type theorem for n-tuples of completely positive maps on Hilbert C*-modules, U.P.B. Sci. Bull., Series A, 78(2016),4,3-10.
M. Joiţa, R-B. Munteanu, Crossed products of Hilbert pro-C*-bimodules and associated pro-C*-algebras, Carpathian J. Math., 32(2016), 2,195-201
M. S. Moslehian, M. Joiţa, U.C. Ji, KSGNS type constructions for α-completely positive maps on Krein C*-modules, Complex Anal. Oper. Theory , 10(2016),3, 617-638. .
M. Joiţa, Crossed products by Hilbert pro-C*-bimodules versus tensor products, J. Math. Anal. Appl., 429(2015),2,15 September 2015, Pages 1086–1095.
M. Joiţa, R-B. Munteanu, I. Zarakas,Multipliers of Hilbert pro-C*-bimodules and crossed products by Hilbert pro-C*-bimodules,, Oper. Matrices ,9(2015),4,925-942.
M. Joiţa, I Zarakas, A construction of pro-C*-algebras from pro-C*-correspondence, J. Operator Theory, 74(2015), 1, 195-211.
M. Joiţa, A new look at the crossed product of pro-C*-algebras, Ann. Funct. Anal., 6(2015),2,184-203; doi: 10.15352/afa/06-2-16
M. Amin, M. B. Asadi, M. Joiţa, R. Rezavad, Morita equivalence of Hilbert C*-modules, Banach J. Math. Anal., 9(2015), 1, 102-110; doi: 10.15352/ bjma/09-1-8
M. Joiţa, Crossed products of pro-C*-algebras and Hilbert pro-C*-algebras, Bull. Malays. Math. Sci. Soc.,, 38(2015),3, 1053-1065.
M. Joiţa, R-B. Munteanu, A property of ergodic flows, Studia Math., 225 (2014), 3, 249-258
M. Joiţa, A Radon-Nikodym type theorem for α --completely positive maps on groups, Oper. Matrices, 8(2014), 4, 1163-1174
M. Joiţa, I. Zarakas, Crossed products by Hilbert pro-C*-bimodules, Studia Math., 215 (2013), 2, 139-156.
M. Joiţa, M. Sal Moslehian, A Morita equivalence for Hilbert C* -modules, Stud. Math., 209, No. 1, 11-19 (2012).
M. Joiţa, Comparison of completely positive maps on Hilbert C*-modules, J. Math. Anal. Appl., 393 (2012) 644–650
M. Joiţa, Covariant Representations of Hilbert C*-Modules, Expo. Math., 30 (2012) 209–220.
M. Joiţa, Covariant version of the Stinespring type theorem for Hilbert C*-modules, arXiv:1007.3489, Cent. Eur. J. Math., 9 (2011), 4, 803-813.
M. Joiţa, Pro-Banach dynamical systems with crossed products C*-algebras, J. Math. Anal. Appl., 377 (2011) 428–434.
M. Joiţa, A note on Morita equivalence of group actions on pro-C*-algebras, Rocky Mountain J. Math., 41(2011), 3, 777-788.
M. Joita, On representations of Banach C*-modules associated with biweights, Mathematica Slovaca, 61 (2011), No. 1, 63–78.
M. Joiţa, Frames of multipliers in tensor products of Hilbert C*-modules, J. Math. Anal. Appl., 367 (2010), 522–534.
M. Joiţa, A note on Lebesgue type decomposition for covariant completely positive maps on C*-algebras, Banach J. Math. Anal.,4 (2010), no. 2, 75–85.
M. Joiţa, A note on full countably generated Hilbert modules, Results in Mathematics, 55(2009), 1-2, 101-109.
M. Joiţa, On extremal covariant completely positive linear maps, Proceedings of the Sixth Congress of Romanian Mathematicians, Bucharest, 2007, vol. 1, pp. 337–345.
M. Joiţa, L-T. Costache, M. Zamfir, On the order structure on the set of completely n-positive linear maps on C*-algebras, Glasnik Matematicki, 44(64)2009, 1, 187-193.
M. Joiţa, Stable outer conjugancy and strong Morita equivalence of group actions on pro-C*-algebras, Cent. Eur. J. Math., (2009), no. 1,73—83.
M. Joiţa,Crossed products of pro-C*-algebras and strong Morita equivalence, Mediterranean Journal of Mathematics, 5(2008), 4, pp. 467-492.
M. Joiţa, On multiplier modules of Hilbert modules over locally C*-algebras, Studia Math., 185, No. 3, 263-277 (2008) arXiv:0707.1139v1
M. Joiţa, On tensor products of completely positive linear maps between pro-C*-algebras, Positivity, 13(2009), 2, 307- 319.
M. Joiţa, On frames in Hilbert modules over pro-C*-modules, Topology and its Applications, 156(2008), 83-92. arXiv:0709.0796v1
M. Joiţa, Countably generated Hilbert modules and stable isomorphisms of locally C*-algebras, Hot Topics in Operator Theory (Proceedings of The 21st International Conference on Operator Theory ,Timisoara, June 29 – July 4, 2006), 89-99, Theta Ser. Adv.Math., 9,Theta, Bucharest, 2008. (eds. R.G. Douglas, J. Esterle, D. Gaspar, D. Timotin and F.-H. Vasilescu)
M. Joita, Covariant completely n-positive linear maps on pro-C*-algebras, Chinese Annals of Mathematics, Series B, 29(2008), 1, 55-64.
M. Joiţa, A Radon-Nikodym theorem for completely multi-positive linear maps on pro-C*-algebras and its applications. Publicationes Mathematicae Debrecen, 72(2008), 1-2, 55-67. math.OA/0701263.
M. Joita, L-T. Costache, M. Zamfir, Characterization of the order relation on the set of completely n-positive linear maps between C*-algebras,Surveys in Mathematics and its Applications, 2(2007), 113-122.
M. Joiţa, A note about full Hilbert modules over Frechet locally C*-algebra, Novi Sad Journal of Mathematics, 37(2007),1, 27-32.
M. Joita, Covariant completely positive linear maps between locally C*-algebras, Houston J. Math., 33(2007), 4, 1067-1078.
M. Joiţa, A Radon-Nikodym theorem for completely multi-positive linear maps and its applications, Contemporary Math., Amer. Math. Soc. 427 (2007), 235-245, Proceedings of the 5th International Conference on Topological Algebras and their Applications (ICTAA 2005), Greece, University of Athens, June 27-July 1, 2005
M. Joiţa, Crossed products of locally C* -algebras, Rocky Mountain J. Math., 37(2007),5, 1623-1644. arXiv:math/0512128
M. Joiţa, L-T. Costache, M. Zamfir, Dilations on Hilbert C*-modules for C*-dynamical systems, Proceedings of The 4th International Colloquium "Mathematics in Engineering and Numerical Physics" October 6-8, 2006, University Politehnica of Bucharest, 81-86.
M. Joiţa, L-T. Costache, M. Zamfir, Representations associated to completely n -positive linear maps between C*-algebras, Stud. Cercet. Stiint., Ser. Mat. 16 (2006), Supplement Proceedings of ICMI 45, Bacau, Romania, September 18-20, 2006, 111-122.
M. Joiţa, On the linking algebra of a Hilbert module and strong Morita equivalence of locally C*-algebras, Surveys in Mathematics and its Applications 1 (2006), 23-32, Proceedings of Operator Models and Applications ( OMA 2006), Timisoara , June 29-July 4, 2006.
M. Joiţa, Completely multi-positive linear maps between locally C*-algebras and representations on Hilbert modules, Studia Math., 172 (2006), 181-196 MR2204963,
M. Joiţa, Bounded module maps between Hilbert modules over locally C*-algebras, Acta Math. Univ. Comenian, 74(2005), 71-79, MR2154398(2006a:46072) (Reviewer: Michael Frank), Zbl pre02206412.
M. Joiţa, On Hilbert modules over locally C*-algebras II, Period. Math. Hungar., 51(2005), 1, 27-36, MR2180631 (Review) (Reviewer: Mohammad Sal Moslehian)
M. Joiţa, Induced representations for locally C*-algebras, Rocky Mountain J. Math.,35 (2005),6,1923-1934 , MR2210641.
M. Joiţa, A note about the amenability of Kac algebras, An. Univ. Bucuresti, Mat., 53 (2004),2, 235-238, MR2150250 (2006c:46057) (Reviewer: Sze-Kai Tsui)
M. Joiţa, Tensor products of Hilbert modules over locally C*-algebras, Czech. Math. J.,54(129) (2004), no. 3, 727-737, MR2086729(2005e:46113) (Reviewer: Narutaka Ozawa).
M. Joiţa, Morita equivalence for locally C*-algebras, Bull. London Math. Soc., 36 (2004), no.6, 802—810, MR2083756 (2005d:46125) (Reviewer: Michael Frank).
M. Joiţa, Multi-completely positive linear maps on locally C*-algebras, Rend. Circ. Mat. Palermo (2),53(2004), MR2078058 (2005e:46098) (Reviewer: P. J. Stacey), Zbl pre02216171 (Reviewer: Sh.A.Ayupov)
M. Joiţa, The stabilisation theorem for Hilbert modules over locally C*-algebras, Acta Univ. Oulu. Ser. A Sci. Rerum Natur. No. 408 (2004), 118—127, MR2070461 (2005c:46083) (Reviewer: Vladmir Manuilov)
M. Joiţa, Projections on Hilbert modules over locally C*-algebras, Math. Reports, 4(54),4(2002), pp.373-378 (2003), MR2067415 (2005d:46124) (Reviewer: Masaharu Kusuda)
M. Joiţa, On the bounded part of a Hilbert module over a locally C*-algebra, Period. Math. Hungar., 45(2002), 1-2, pp. 81-85, MR1955195(2003k:46085) (Reviewer: Masaharu Kusuda)
M. Joiţa, Strict completely positive linear maps between locally C* -algebras and representations on Hilbert modules, J. London Math. Soc. (2), 66 (2002), no.2, pp.421-432, MR1920412 (2003f:46094) (Reviewer: Michael Frank) and Zbl 1027.46069 (Reviewer: Mohammad Sal Moslehian).
M. Joiţa, Locally von Neumann algebras II, Rend. Circ. Mat. Palermo (2), 51(2002), 1, pp. 84-93, MR1905709 (2003e:46107)
M. Joiţa, On the Cauchy-Schwarz Inequality in a C*-algebra, Math. Reports, 3(53 ) (2001), 3, pp.243-246, MR1929534 (2003g:46068) (Reviewer: Vladimir Manuilov)
M. Joiţa, Hilbert modules over locally C*-algebras: Theorem of Stinespring, Math. Reports, 3(53) (2001),1, pp.21-27, MR1887180(2002m:46090) (Reviewer: Takashi Itoh) and Zbl 1026.46047.
M. Joiţa, On Hilbert modules over locally C*-algebras, An. Univ. Bucuresti, Mat., 49 (2000),1, pp. 41-51, MR1898359 (2003c:46076) (Reviewer: Mohammad Sal Moslehian) and Zbl 0984.46037 (Reviewer: George Popescu)
M. Joiţa, Multipliers of locally C*-algebras, An. Univ. Bucuresti, Mat. ,48 (1999),1, pp.17-24, MR1793246 (2002h:46091) and Zbl 0977.46047
M. Joiţa, Locally von Neumann algebras, Bull. Math. Soc. Sci. Math. Roumaine, 42 (90)}, (1999),1, pp.51-64, MR1880655 (2002k:46157) andZbl 0953.46031 (Reviewer: C. P. Niculescu)
M. Joiţa, Commutative unital Hopf -C*-algebras, Rev. Roum. Math. Pures Appl., 43(1998), 9-10, pp.839-851, MR1844970 (2002c:46110) (Reviewer: Dimitri A. Nikshych) and Zbl 0999.46023
M. Joiţa, Locally Hopf C*-algebras, Stud. Cerc. Mat. 50(1998), 3-4, pp.175-196, MR1839638 (2002f:46107) (Reviewer: M. Fragoulopoulou) and Zbl 1014.46028 (Reviewer: D.Beltita)
S. Petrescu, M. Joiţa Property (T) for Kac algebras, Rev. Math. Roum. Pures Appl., 37(1992), 2, pp.163-178, MR1171192 (93h:46101) ( Reviewer: Claire Anantharaman-Delaroche) and Zbl 0785.46058 (Reviewer: G. Corach)
S. Petrescu, M. Joiţa, Amenable actions of Katz algebras on von Neumann algebras, Rev. Roum. Math. Pures Appl., 35(1990), 2, pp.151-160,MR1076787 (92b:46107) (Reviewer: Claire Anantharaman-Delaroche) and Zbl 0742.46041
M. Joiţa, Familii ortonormale asociate unor relatii de ordine, Spatii Liniare Ordonate Topologice,8(1987), pp.109-111.