- D.S. Cvetković-Ilić, Redundant conditions in results on generalized inverses and how to eliminate them, China-Korea-USA International Conference on Matrix Theory with Applications & The 6th International Conference on Matrix Inequalities and Matrix Equations, November 25-28, 2021.
- D.S. Cvetković-Ilić, Improvements of some recent results on generalized inverses with applications to solving certain operator equations, SIAM 2021: Conference on Applied Linear Algebra, May 17-21, 2021.
- D.S. Cvetković-Ilić, Different tools for solving some operator equation problem, International workshop on generalized inverses and applications, Hubei Normal University, 30.10-01.11, 2019.
- D.S. Cvetković-Ilić, Recent results on some completion problems on operator matrices, Minisyposium Generalized inverses and its applications at the 9th International Congress on Industrial and Applied Mathematics (ICIAM), Valencia, Spain, July 15-19, 2019.
- D.S. Cvetković-Ilić, Douglas' + Zoltan's lemmas = a tool for solving an operator equation problem, International Conference on Matrix Inequalities and Matrix Equations, Guilin, China, June 7-10, 2019.
- D.S. Cvetković-Ilić, Different completion of A+CX, Workshop on generalized inverses and applications, Hubei Normal University, June 01-02, 2019.
- D.S. Cvetković-Ilić, Completion problems of operator matrices to Fredholm, Weyl and Kato operators, International Conference on Matrix Theory and Applications: Combinatorics, Optimization and Data Analysis, Jeju, North Korea, May 23-27, 2019.
- D.S. Cvetković-Ilić, Completion problems of operator matrices and its different applications, 9th Symposium MATHEMATICS AND APPLICATION, Faculty of Mathematics, Belgrade, Serbia, 30.11-01.12, 2018.
- D.S. Cvetković-Ilić, Generalizations of some recent results on various systems of matrix equations, International Conference on Matrix Inequalities and Matrix Equations, Shanghai University, Shanghai, China, June 8-10, 2018.
- D.S. Cvetković-Ilić, Various systems of matrix equations, Workshop: Theory and applications of generalized inverses, SoutEast University, Nanjing, China, June 01-03, 2018.
- D.S. Cvetković-Ilić, On a couple of problems concerning the operator A+CX, 14-17, December, 2017, Korea-China International Conference on Matrix Theory and Applications, Sungkyunkwan University, Seoul, South Korea.
- D.S. Cvetković-Ilić, Properties of A+CX in the case when A,C \in B(H), 25-30, September, 2017, 15th International Conference of Numerical Analysis and Applied Mathematics - ICNAAM 2017, Thessaloniki, Greece.
- D.S. Cvetković-Ilić, Completion problems of operator matrices to Fredholm, Weyl and Kato operators, 09-12, June, 2017, 2017 Workshop on Matrices and Operators, Hunan University, China.
- D.S. Cvetković-Ilić, Completion problems of operator matrices and its different applications, International Conference on Matrix Inequalities and Matrix Equations, Shanghai University, Shanghai, China, June 6-8, 2017.
- D.S. Cvetković-Ilić, Generalized inverses and some problems of completions of operator matrices, 28.08.2016-31.08.2016, Workshop: The perturbation of the generalized inverses, geometric structures, fixed point theory and applications at XIX Geometrical Seminar, Zlatibor, Serbia.
- D.S: Cvetković-Ilić, Solving some open problems on generalized inverses using results on completions of operator matrices, July 11-15, 2016, ILAS 2016, Leuven, Belgium.
- D.S. Cvetković-Ilić, Recent results on generalized inverses and some problems of completions of operator matrices, International Conference on the generalized inverses, geometric structures, fixed point theory and applications, February 23-26, 2016, South China Normal University, Guangzhou, China.
- D.S. Cvetković-Ilić, Recent results on generalized inverses and partial orders on B(H), Research Workshop on Generalized Inverses, 28.02. 2016-01.03 2016, School of Mathematical Sciences, Nanning, China.
- D.S. Cvetković-Ilić, Completions of operator matrices and its applications to reverse order law for {1}-inverses of operators on Hilbert spaces, Panonian mathematical modelling, April 24-28, 2015, Novi Sad, Serbia.
- D.S. Cvetković-Ilić, Generalized inverses, projectors, completions of operator matrices, 13th Serbian Mathematical Congress, May 22-25, 2014, Vrnjačka Banja, Serbia.
- D.S. Cvetković-Ilić, Applications of completions of operator matrices to reverse order law for {1}-inverses of operators on Hilbert spaces, The International Workshop on Generalized Inverses and Applications, September, 2014, Yangzhou, China.
- D.S. Cvetković-Ilić, The Moore-Penrose inverse of a linear combination of commuting generalized and hypergeneralized projectors, 2012 SIAM Conference on Applied Linear Algebra, June 18-22, 2012, Valencia, Spain.
- D.S. Cvetković-Ilić, Some additive properties of the Drazin inverse and (2; 2; 0) Drazin inverse, International Workshop on Generalized Inverses, November 02-04, 2012, Nanjing, China.
- D.S. Cvetković-Ilić, Additive properties and representations of the Drazin inverse, 16th ILAS Conference, 21 June-25 June, 2010, Pisa, Italy.
- D.S. Cvetković-Ilić, Positive and real-positive solutions to the equation axa*=c in C*-algebras, 01-06 May, 2008 V. Banja, Serbia.
- D.S. Cvetković-Ilić, Representations for the Drazin inverse of 2x2 block matrices, XII Congress of Mathematicians of Serbia, 26 August-02 September, 2008, N. Sad, Serbia.
- D.S. Cvetković-Ilić, Barcelona Conference on C*-algebre and their invariant, CRM, 11 June-15 June, 2007, Barcelona, Bellatera, Spain.
- D.S. Cvetković, On a block-rank equation, Workshop in Mathematical Analysis, 16-21 March, 2004, Guanajuato, Mexico.
- D.S. Cvetković, Dragan Djordjević, J.J. Koliha, Moore-Penrose Inverse in Rings with Involution, XI Congress of Mathematicians of Serbia and Montenegro, September 29-October 3, 2004, Petrovac, Serbia and Montenegro.
- D.S. Cvetković, Schur complements in C*-algebra, The Sixth International Symposium on Nonlinear Mechanics - Nonlinear Sciences and Applications, 24-29 August, 2003, Niš, Serbia and Montenegro.
- D.S. Cvetković, Generalized inverses and a block-rank equation, International Congress MASSEE'2003, 15-21 September, 2003 Borovets, Bulgaria.
- D.S. Cvetković, Block-rank equation, International Workshop on Modern Functional Analysis, Operator Theory, Summability and Applications, 25-28 September, 2003, Niška Banja, Serbia and Montenegro.
- D.S. Cvetković, Some generalizations of Schur complements, 5th International Symposium on Mathematical Analysis and its Applications, 2-6 October, 2002, Niška Banja, Serbia and Montenegro.
- D.S. Cvetković, On gaps between bounded operators in Banach spaces, 10th Congress of Yugoslav Mathematicians, 21-24 January, 2001, Belgrade, Serbia and Montenegro.