Erik D. Demaine的挂画谜题论文预印本终于出来了。此谜题极为精彩,既有简单的原始版本,又有非常一般的推广形式。如论文所述,它将以下领域联系起来:puzzles, magic, topology, Borromean rings, Brunnian links, group theory, free groups, monotone Boolean function theory, circuit complexity, AKS sorting networks, combinatorics, and algorithms.
论文地址:http://arxiv.org/pdf/1203.3602v1.pdf