birational geometry中文什么意思
双有理几何
- geometry: n. 1.几何学。 2.几何形状。 3.几何学著作。 短 ...
百科释义
In algebraic geometry, the goal of birational geometry is to determine when two algebraic varieties are isomorphic outside lower-dimensional subsets. This amounts to studying mappings which are given by rational functions rather than polynomials; the map may fail to be defined where the rational functions have poles.
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