Increasing the weight of minimum spanning trees

Cut problems in graphs with a budget constraint

Journal of Discrete Algorithms

Reverse 2-median problem on trees

Discrete Applied Mathematics

Design is as Easy as Optimization

SIAM Journal on Discrete Mathematics

Design is as easy as optimization

ICALP'06 Proceedings of the 33rd international conference on Automata, Languages and Programming - Volume Part I

On coloring the arcs of a tournament, covering shortest paths, and reducing the diameter of a graph

Discrete Optimization