The aim of this paper is to establish the existence and the nonexistence of solutions for double-phase problems depending on two parameters. This work improves and complements the existing ones in the literature. There seems to be no results on the nonexistence of solutions for double-phase problems.

中文翻译：

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双相问题解的存在与不存在

本文的目的是建立依赖于两个参数的双相问题解的存在和不存在。这项工作改进和补充了文献中的现有工作。似乎没有关于双相问题解不存在的结果。