有限半群的分类及具有双曲性的RA-环
On the Classification of Finite Semigroups and RA-loop with the Hyperbolic Property
摘要:
对有限半群S进行了分类,其中有理Q-代数QS的所有Z-阶O使得单位群U(O)是双曲的。我们还对单位环U(ZL)不包含任何秩为2的自由阿贝尔子群的RA-环L进行了分类。
英文摘要:
We classify the finite semigroups S, for which all the Z-orders O of the rational Q-algebra QS, is such that the unit group U(O) is hyperbolic. We also classify the RA-loops L, for which the unit loop U(ZL) does not contain any free abelian subgroup of rank two.
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