Generalised characteristic classes are constructed for bordism cohomologies which allow a natural extension of classical genera to these bordism cohomology rings taking values in singular cohomology.

中文翻译：

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垂直属

广义特征类是为 bordism 上同调构建的，这允许将经典属自然扩展到这些 bordism 上同调环中，这些环采用奇异上同调的值。