Research

Magistarski rad

Doktorski rad

Naučni radovi

1.  D. J. Kečkić, Z. Lazović, Fredholm operators on C*-algebras. Acta Sci. Math. 83, 629–655 (2017). https://doi.org/10.14232/actasm015-526-5 

           Link 1: Fredholm operators on C* algebras

2. Dragoljub J. Kečkić and Zlatko Lazović. Compact and ”compact” operators on the standard Hilbert module over a W* algebra. Ann. Funct. Anal., 9(2):258–270 (2018).

          Link 1:  Compact and “compact” operators on standard Hilbert modules over $W^{*}$-algebras | Semantic Scholar

          Link 2:  Compact and “compact” operators on standard Hilbert modules over W∗-algebras

3. Z. Lazović, Compact and “compact” operators on standard Hilbert modules over C*-algebras, Adv. Oper. Theory 3, no. 4, 829–836, (2018).

          Link 1: Compact and “compact” operators on standard Hilbert modules over C*-algebras

          Link 2: Compact and “compact” operators on standard Hilbert modules over C*-algebras

4.  Kečkić, D. J., & Lazović, Z. , Measures of Noncompactness on the Standard Hilbert C*-Module. Filomat, 33(12)  (2019), 3683–3695. https://www.jstor.org/stable/27382812  

           Link 1: Measures of Noncompactness on the Standard Hilbert C*-Module

5. Lazović Z., Publications de Institut Mathematique 2021 Volume 109, Issue 123, Pages: 1-8 

           Link 1:  The space of operator valued functions seen as Hilbert H*-module

6. Kečkić, D.J., Lazović, Z. Clarkson-McCarthy Inequality on a Locally Compact Group. Complex Anal. Oper. Theory 19. 227 (2025). https://doi.org/10.1007/s11785-025-01854-9

          Link 1: Clarkson-McCarthy Inequality on a Locally Compact Group

7. Kečkić, D.J., Lazović, Z.  Measures of noncompactness in Hilbert C∗-modules, Publ. Math. Debrecen In-print:: Ref. no.: 10248 (2026), 1–1