Robert Manger

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Department of Mathematics |

- Born in Zagreb, 1957.
- Finished primary and secondary school in Zagreb.
- Married, has two sons.

- B.Sc in mathematics, University of Zagreb, 1979.
- M.Sc in mathematics, University of Zagreb, 1982. Thesis: Path problems in graphs.
- Ph.D in mathematics, University of Zagreb, 1990. Thesis: Parallel algorithms for solving path problems in graphs.

- 1979-1981: Teaching and Research Assistant, Department of Mathematics, University of Zagreb.
- 1982-1990: Information Systems Designer, The Rade Koncar Institute, Zagreb.
- 1991-1993: IT Consultant, Zagrebacka Banka d.d., Zagreb.
- 1993-1999: Assistant Professor, Associate Professor, Department of Mathematics, University of Zagreb.
- 2000-2002: Deputy Minister responsible for IT, Ministry of Science and Technology, Republic of Croatia.
- 2002- : Associate Professor, Full Professor, Department of Mathematics, University of Zagreb.

- Combinatorial optimization
- Robust optimization
- Parallel and distributed algorithms
- Soft computing
- Database systems

- Data structures and algorithms
- Computer networks
- Database systems
- Software engineering
- Distributed computing
- Theory of computation

- 1996-2001: Nonconventional computing in operations research (037010), supported by the Croatian Ministry of Science and Technology.
- 2002-2006: Distributed algorithms in combinatorial optimization (0037104), supported by the Croatian Ministry of Science and Technology.
- 2007-2013: Distributed algorithms for finding optimal paths in graphs (037-0362980-2774), supported by the Croatian Ministry of Science, Education and Sports.
- 2018-2022: Efficient algorithms for robust discrete optimization (HRZZ IP-2018-01-5591), supported by the Croatian Science Foundation.

- R. Manger: "On the complexity of parallel evaluation of algebraic expressions". Glasnik Matematicki, Vol 26 (1991), No 1-2, 219-235.
- R. Manger: "Parallel iterative algorithms for solving path problems". Journal of Computing and Information Technology - CIT, Vol 1 (1993), No 2, 99-110.
- R. Manger, M. Mauher: "Using holographic neural networks for currency exchange rates prediction". Proceedings of the 16th International Conference on Information Technology Interfaces (ITI '94 - Pula, June 14-17, 1994), edited by V. Ceric and V. Hljuz Dobric, University Computing Centre, Zagreb, 1994, pp. 143-150.
- R. Manger, V.L. Plantamura, B. Soucek: "Stimulus preprocessing for holographic neural networks". In "Frontier Decision Support Concepts", edited by V.L. Plantamura, B. Soucek and G. Visaggio, John Wiley and Sons, New York, 1994, pp.79-90.
- R. Manger, V.L. Plantamura, B. Soucek: "Classification with holographic neural networks". In "Frontier Decision Support Concepts, edited by V.L. Plantamura, B. Soucek and G. Visaggio, John Wiley and Sons, New York, 1994, pp. 91-106.
- R. Manger: "A fast parallel algorithm for solving path problems in DAG-s". Glasnik Matematicki, Vol 29 (1994), No 1, 175-189.
- R. Manger, M. Grbic, V.L. Plantamura, B. Soucek: "A parallel SVD algorithm and its application to financial ratio analysis". Microprocessing and Microprogramming, Vol 41 (1995), 97-106.
- R. Manger: "A comparison of two parallel iterative algorithms for solving path problems". Journal of Computing and Information Technology - CIT, Vol 4 (1996), No 2, 75-85.
- R. Manger: "A library of subroutines for solving path problems". Proceedings of the 6th International Conference on Operations Research (KOI'96 - Rovinj, October 1-3, 1996), edited by T. Hunjak, Lj. Martic and L. Neralic, Croatian Operational Research Society, Zagreb, 1996, pp. 49-56.
- R. Manger: "Holographic neural networks and data compression". Informatica, Vol 21 (1997), No 4, 665-673.
- R. Manger: "Memory reduction techniques for holographic neurons". Proceedings of the 4th International Symposium on Operational Research in Slovenia (SOR '97 - Preddvor, Slovenia, October 1-3, 1997), edited by V. Rupnik, L. Zadnik Stirn and S. Drobne, Slovenian Society Informatika, Ljubljana, 1997, pp. 195-200.
- R. Manger: "Gaussian block algorithms for solving path problems". Mathematical Communications, Vol 3 (1998), No 1, 67-81.
- G. Nogo, R. Manger: "Experimental evaluation of a parallel max-flow algorithm". Journal of Computing and Information Technology - CIT, Vol 7 (1999), No 3, 237-243.
- G. Nogo, R. Manger: "Performance of a parallel excess scaling algorithm". Proceedings of the 5th International Symposium on Operational Research in Slovenia (SOR '99 - Preddvor, Slovenia, September 30 - October 2, 1999), edited by V. Rupnik, L. Zadnik Stirn and S. Drobne, Slovenian Society Informatika, Ljubljana, 1999, pp. 273-278.
- R. Manger, G. Nogo: "Optimized versions of a distributed algorithm for solving path problems". Central European Journal of Operations Research - CEJOR, Vol 8 (2000), Issue 2, 109-123.
- R. Manger: "Solving path problems on a network of computers". Informatica, Vol 26 (2002), No 1, 91-100.
- R. Manger, G. Nogo: "Solving sparse symmetric path problems on a network of computers". Journal of Computing and Information Technology - CIT, Vol 11 (2003), No 3, 179-184.
- R. Manger: "A new path algebra for finding paths in graphs". Proceedings of the 26th International Conference on Information Technology Interfaces (ITI 2004 - Cavtat, Croatia, June 7-10, 2004), edited by V. Luzar-Stiffler and V. Hljuz Dobric, University Computing Centre, Zagreb, Croatia, 2004, pp. 657-662.
- M. Botincan, R. Manger: "A generic C++ implementation of composite path algebras". Proceedings of the 10-th International Conference on Operational Research (KOI 2004 - Trogir, Croatia, September 22-24, 2004), edited by R. Scitovski and D. Jukic, Department of Mathematics, University of Osijek, Osijek, Croatia, 2005, pp. 155-164.
- K. Puljic, R. Manger: "An improved evolutionary algorithm for solving the vehicle routing problem". Proceedings of the 8th International Symposium on Operational Research in Slovenia (SOR '05 - Nova Gorica, Slovenia, September 28-30, 2005), edited by L. Zadnik Stirn and S. Drobne, Slovenian Society Informatika, Ljubljana, Slovenia, 2005, pp. 363-368.
- R. Manger: "Some results dealing with the algebraic approach to path problems in graphs". Proceedings of the 8th International Symposium on Operational Research in Slovenia (SOR '05 - Nova Gorica, Slovenia, September 28-30, 2005), edited by L. Zadnik Stirn and S. Drobne, Slovenian Society Informatika, Ljubljana, Slovenia, 2005, pp.13-22.
- R. Manger: “Composite path algebras for solving path problems in graphs”. Ars Combinatoria, Vol 78 (2006), No 1, 137-150.
- R. Manger, K. Puljic: “Multilayer perceptrons and data compression”. Computing and Informatics, Vol 26 (2007), 45-62.
- A. Baumgartner, R. Manger, Z. Hocenski: "Work function algorithm with a moving window for solving the on-line k-server problem". Journal of Computing and Information Technology - CIT, Vol 15 (2007), No 4, 325-330.
- R. Manger: "A catalogue of useful composite semirings for solving path problems in graphs". Proceedings of the 11th International Conference on Operational Research (KOI 2006 - Pula, Croatia, September 27-29, 2006), edited by V. Boljuncic, L. Neralic and K. Soric, Croatian Operational Research Society, Zagreb, Croatia, 2008, pp.13-23.
- T. Rudec T, A. Baumgartner, R. Manger: "A fast implementation of the optimal off-line algorithm for solving the k-server problem". Mathematical Communications, Vol 14 (2009), No 1, 119-134.
- A. Baumgartner, T. Rudec, R. Manger: "The design and analysis of a modified work function algorithm for solving the on-line k-server problem". Computing and Informatics, Vol 29 (2010), No 4, 681-700.
- K. Puljic, R. Manger: "A distributed evolutionary algorithm with a superlinear speedup for solving the vehicle routing problem". Computing and Informatics, Vol 31 (2012), No 3, 675-692.
- T. Rudec, A. Baumgartner, R. Manger: "A fast work function algorithm for solving the k-server problem". Central European Journal of Operations Research - CEJOR, Vol 21 (2013), No 1, 187-205.
- T. Rudec, R. Manger: "A new approach to solve the k-server problem based on network flows and flow cost reduction". Computers and Operations Research, Vol 40 (2013), No 4, 1004-1013.
- K. Puljić, R. Manger: "Comparison of eight evolutionary crossover operators for the vehicle routing problem". Mathematical Communications, Vol 18 (2013), No 2, 359-375.
- T. Rudec, R. Manger, "A fast approximate implementation of the work function algorithm for solving the k-server problem". Central European Journal of Operations Research – CEJOR, Vol 23 (2015), No 3, 699-722.
- A. Klobučar, R. Manger, "Independent sets and vertex covers considered within the context of robust optimization". Mathematical Communications, Vol 25 (2020), No 1, 67-86.
- R. Manger, "An algebraic framework for multi-objective and robust variants of path problems". Glasnik Matematički, Vol 55 (2020), No 1, 143-176.
- M. Špoljarec, R. Manger, "Heuristic solutions to robust variants of the minimum-cost integer flow problem". Journal of Heuristics, Vol 26 (2020), No 4, 531-559.
- A. Klobučar, R. Manger, "Solving robust variants of the maximum weighted independent set problem on trees". Mathematics MDPI, Vol 8 (2020), No 2. https://doi.org/10.3390/math8020285
- K. Puljić, R. Manger, "Evolutionary operators for the Hamiltonian completion problem". Soft Computing (2020). https://doi.org/10.1007/s00500-020-05063-8
- A. Klobučar, R. Manger, "An evolutionary algorithm for the robust maximum weighted independent set problem". Automatika, Vol 61 (2020), No 4, 523–536.
- M. Špoljarec, R. Manger, "Solving robust variants of integer flow problems with uncertain arc capacities". Promet – Traffic & Transportation, Vol 33 (2021), No 1, 77-89.
- A. Klobučar, R. Manger, "Solving robust weighted independent set problems on trees and under interval uncertainty". Symmetry MDPI, Vol 13 (2021), Issue 12, Article No 2259. https://doi.org/10.3390/sym13122259

- Editor of the Journal of Computing and Information Technology - CIT
- Program Committee Member of the Conference on Information Technology Interfaces - ITI
- Member of the Croatian Mathematical Society
- Member ot the Croatian Society for Operations Research
- Member of the IEEE Computer Society