非平凡图自同构的复杂度的已知界限是什么


Answers:


15

确定图是否具有非平凡的自同构性Cook缩减(多项式时间Turing)为图同构(确定一对图是否同构)(供读者练习)。未知它等同于图同构。

反过来,图同构中可以解决时间和在于ÑPÇö中号。特别是,它不是ÑP-complete除非多项式层次结构崩溃。2ØññPCØ一种中号ñP


G一种PG一世G一种G一世G一世PPG一种
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