Applying the method consisting of a combination of the Brouwer and the Kakutani fixed-point theorems to a discrete equation with a double singular structure, that is, to a discrete singular equation of which the denominator contains another discrete singular operator, we prove that the equation has a solution.

中文翻译：

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Brouwer和Kakutani定点定理在具有双奇异结构的离散方程中的应用

将由Brouwer定理和Kakutani定点定理组成的方法应用于具有双奇异结构的离散方程，即分母包含另一个离散奇异算子的离散奇异方程，我们证明了该方程有解决方案。