4阶双星符号模式矩阵允许代数正
The Double Star Sign Pattern Matrix with Order 4 That Allow Algebraic Positivity
摘要: 本文将引入双星符号模式矩阵的概念，通过研究双星符号模式矩阵，将所有4阶双星符号模式矩阵进行分类，分别给出4阶双星符号模式矩阵非允许代数正和允许代数正的等价刻画。
Abstract: In this paper, we will introduce the concept of double star sign pattern matrix, and classify all the 4th order double star sign pattern matrix by studying the double star sign pattern matrix, and give the equivalent characterization of the 4th order double star sign pattern matrices that do not allow algebraic positivity, and that allow algebraic positivity respectively.
文章引用：焦旸. 4阶双星符号模式矩阵允许代数正[J]. 应用数学进展, 2022, 11(11): 7960-7967. https://doi.org/10.12677/AAM.2022.1111843

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