
arXiv: cs/9301116
The purpose of this note is to attach a name to a natural class of combinatorial problems and to point out that this class includes many important special cases. We also show that a simple problem of placing nonoverlapping labels on a rectangular map is NP-complete.
FOS: Computer and information sciences, Discrete mathematics in relation to computer science, Combinatorial optimization, Computer Science - Data Structures and Algorithms, FOS: Mathematics, Mathematics - Combinatorics, Data Structures and Algorithms (cs.DS), Combinatorics (math.CO)
FOS: Computer and information sciences, Discrete mathematics in relation to computer science, Combinatorial optimization, Computer Science - Data Structures and Algorithms, FOS: Mathematics, Mathematics - Combinatorics, Data Structures and Algorithms (cs.DS), Combinatorics (math.CO)
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