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The genus of a quotient of several types of numerical semigroups
International Journal of Number Theory ( IF 0.7 ) Pub Date : 2024-04-05 , DOI: 10.1142/s1793042124500891 Kyeongjun Lee 1 , Hayan Nam 2
中文翻译:
几种数值半群的商的属
更新日期:2024-04-10
International Journal of Number Theory ( IF 0.7 ) Pub Date : 2024-04-05 , DOI: 10.1142/s1793042124500891 Kyeongjun Lee 1 , Hayan Nam 2
Affiliation
Finding the Frobenius number and the genus of any numerical semigroup is a well-known open problem. Similarly, it has been studied how to express the Frobenius number and the genus of a quotient of a numerical semigroup. In this paper, by enumerating the Hilbert series of each type of numerical semigroup, we show an expression for the genus of a quotient of numerical semigroups generated by one of the following series: arithmetic progression, geometric series, and Pythagorean triple.
中文翻译:
几种数值半群的商的属
查找任何数值半群的弗罗贝尼乌斯数和亏格是一个众所周知的开放性问题。类似地,已经研究了如何表达数值半群的弗罗贝尼乌斯数和商的属。在本文中,通过枚举每种类型的数值半群的希尔伯特级数,我们展示了由以下级数之一生成的数值半群的商的表达式:算术级数、几何级数和毕达哥拉斯三元组。