完美（超级）边缘魔术冠
Perfect (super) edge-magic crowns
摘要：
本文继续研究了冠$C_{m}\odot \overline K_{n}$的（超）边幻标号的价，证明了当$m=pq$，其中$p$和$q$是不同的奇素数时，冠是完美（超）边幻标号.我们还提供了一个下界的$C_{m}\odot \overline K_{n}$，在$m$的素因子方面的不同价数。
英文摘要：
In this paper we continue the study of the valences for (super) edge-magic labelings of crowns $C_{m}\odot \overline K_{n}$ and we prove that the crowns are perfect (super) edge-magic when $m=pq$ where $p$ and $q$ are different odd primes. We also provide a lower bound for the number of different valences of $C_{m}\odot \overline K_{n}$, in terms of the prime factors of $m$.
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