引力瞬子的熵积公式
Entropy Product Formula for Gravitational Instanton
摘要：
我们研究了各种引力瞬子的熵积公式。我们推测，由于上述瞬子的质量无关的特点，他们是\emph{universal}，以及他们是\emph{quantized}。对于孤立的欧几里德史瓦西黑洞，这些性质简单地称为\emph{fail}。
英文摘要：
We investigate the entropy product formula for various gravitational instantons. We speculate that due to the mass-independent features of the said instantons they are \emph{universal} as well as they are \emph{quantized}. For isolated Euclidean Schwarzschild black hole, these properties simply \emph{fail}.
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