CMSC 858- Fun with Hardness, Paper and Notes
NPC Grid Col Problem NOTES
NPC Grid Col Problem PAPER
At Most One Satisfying Assignmet NOTES
Planar 3DM NOTES
Constraint Logic Paper
Bob Hearn's PhD Thesis
The Complexities of puzzles, cross sum and their solution problems (ASP). A Senior Thesis by Seta Takahiro
Planar UGC NOTES