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arXiv 1802.04994math.RAmath.ACmath.DS
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一般代数中的幂等几何

Idempotent geometry in generic algebras

Yakov Krasnov, Vladimir G. Tkachev

摘要:

使用syzygy方法,建立在我们早期的文件,我们的特点组合分层的各种二维实一般代数。我们表明,存在着三种不同的同伦类型的代数,并将这一结果的潜在应用和已知的事实,从定性理论的二次常微分方程。泛型条件是至关重要的。例如,Clifford代数或Clifford型的Jordan代数中的幂等几何是非常不同的:这样的代数总是包含幂等的非平凡子流形。

英文摘要:

Using the syzygy method, established in our earlier paper, we characterize the combinatorial stratification of the variety of two-dimensional real generic algebras. We show that there exist exactly three different homotopic types of such algebras and relate this result to potential applications and known facts from qualitative theory of quadratic ODEs. The genericity condition is crucial. For example, the idempotent geometry in Clifford algebras or Jordan algebras of Clifford type is very different: such algebras always contain nontrivial submanifolds of idempotents.

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