欧拉示性数
- 网络Euler characteristic
欧拉示性数-
欧拉示性数在生物方面的应用
Application of Euler characteristic on Biology
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借助于几何商，我们定义了moduli空间上的欧拉示性数。
We also define Euler characteristic for moduli space by the concept of geometric quotient .
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众所周知，一般黑洞的欧拉示性数都为2（或者为0），而NUT-Kerr-Newman黑洞是个例外，其欧拉示性数大于2。因此计算NUT-Kerr-Newman黑洞的玻色子熵有特殊的意义。
It is well known that the Euler characteristics of most black holes is 2 ( or 0 ), only NUT-Kerr-Newman black hole whose Euler characteristics is over 2 . Therefore , it is significant to calculate the entropy in the NUT-Kerr-Newman black holes .
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欧拉示性数在确定不动点方面的一些应用
Some Application of Euler 's Characteristic on Determining Fixed Point