combinatorial mathematics

Matroid theory is an important part of combinatorial mathematics and discrete mathematics.

拟阵是组合数学和离散数学的重要组成部分。

The combination of abstract algebra, combinatorial mathematics and the matrix theory knowledge, we propose a new construction of Jacket matrix based on finite Abelian group, which expand the Jacket matrix family.

结合抽象代数，组合数学，矩阵理论等知识，提出一种有限阿贝尔群上Jacket矩阵的构造方法，扩展了Jacket矩阵家族。

Combinatorial theory is widely regarded as the most delightful branch of mathematics.

人们普遍认为组合论是数学中最令人喜爱的分支.

Based on the theoretical distribution of rank-sum, the dissertation deduced the theoretical distribution of multi-trait rank-sum-difference by using combinatorial mathematics method, on which it presented the significant critical values for the rank-sum-difference testing in multi-trait comprehensive evaluation.

论文以秩和理论分布为基础，利用组合数学方法，进一步导出了多性状秩和差的理论分布，并据之给出了多性状综合评价秩和差测验的显著性临界值。

It can be boiled down to combinatorial optimization problem in mathematics.

这是一种复杂的带性能约束的立体空间布局问题，在数学上可以归结为组合最优化。