Approximation of Minimum Cost Homomorphisms. - Pavol Hell; Monaldo Mastrolilli; Mayssam Mohammadi Nevisi; Arash Rafiey (ESA, 2012)

Counting Partitions of Graphs. - Pavol Hell; Miki Hermann; Mayssam Mohammadi Nevisi (ISAAC, 2012)

Minimum Cost Homomorphisms with Constrained Costs. - Pavol Hell; Mayssam Mohammadi Nevisi (COCOON, 2016)