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arXiv 0712.0375math-phmath.MP
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分裂复数的双曲Cauchy积分公式

Hyperbolic Cauchy Integral Formula for the Split Complex Numbers

Matvei Libine

摘要:

在我们的联合论文[FL 1-FL 2]中,我们复兴了四元数分析,并展示了四元数分析,表示论和四维物理之间的深层关系。作为指导原则,我们使用的各种实形式的共形群的表示理论。我们证明了表示的酉性的要求自然地导致我们的柯西-Fueter和泊松公式的Minkowski空间,这可以被看作是另一个真正的形式的四元数的扩展。然而,闵可夫斯基空间公式也带来了一些技术上的困难,这些积分公式中的核的奇点现在集中在光锥上,而不仅仅是初始四元数图像中的一个点。但是,当我们从复数过渡到分裂复数(或双曲代数)时,也会出现同样的现象。因此,作为热身的例子,我们证明了分裂复数的柯西积分公式的类似物。另一方面,物理学家们似乎对这样的公式有足够的兴趣。例如,参见[KS]及其参考文献。

英文摘要:

In our joint papers [FL1-FL2] we revive quaternionic analysis and show deep relations between quaternionic analysis, representation theory and four-dimensional physics. As a guiding principle we use representation theory of various real forms of the conformal group. We demonstrate that the requirement of unitarity of representations naturally leads us to the extensions of the Cauchy-Fueter and Poisson formulas to the Minkowski space, which can be viewed as another real form of quaternions. However, the Minkowski space formulation also brings some technical difficulties related to the fact that the singularities of the kernels in these integral formulas are now concentrated on the light cone instead of just a single point in the initial quaternionic picture. But the same phenomenon occurs when one passes from the complex numbers to the split complex numbers (or hyperbolic algebra). So, as a warm-up example we proved an analogue of the Cauchy integral formula for the split complex numbers. On the other hand, there seems to be sufficient interest in such formula among physicists. For example, see [KS] and the references therein.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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