A geometric approach to constructing elements of $K_2$ of curves

A geometric approach to constructing elements of $K_2$ of curves
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发表时间:
2015-04
期刊:
arXiv: Algebraic Geometry
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通讯作者:
Ulf Kuhn;J. S. Muller
Ulf Kuhn;J. S. Muller
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其他
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作者:
Ulf Kuhn;J. S. Muller

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我们提出了一个框架,利用初等代数几何构造的例子,明确给定的元素,在其第二个K-群的光滑的射影曲线数ELDs。这导致了新的例子超椭圆曲线和光滑平面四次曲线。此外,我们表明,大多数以前已知的结构可以重新解释使用我们的框架。
We present a framework for constructing examples of smooth projective curves over number elds with explicitly given elements in their second K-group using elementary algebraic geometry. This leads to new examples for hyperelliptic curves and smooth plane quartics. Moreover, we show that most previously known constructions can be reinterpreted using our framework.