A set of type $(m,n)$ $mathcal K$ is a set of points of a finite linear space with the property that each line of the linear space meets either $m$ or $n$ points of $mathcal K$. In this paper, sets of type $(m,n)$ in finite linear spaces with constant point degree are studied, and some characterization results are given.
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机译：类型$（m，n）$ $ mathcal K $的集合是有限线性空间的一组点，其属性为线性空间的每一行都满足$ mathcal的$ m $或$ n $点K $。本文研究了具有恒定点数的有限线性空间中的类型$（m，n）$的集合，并给出了一些刻画结果。
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