Abstract In this article, the general (p,q)-mixed projection bodies are introduced. Then, some basic properties of the general (p,q)-mixed projection bodies are discussed, and the extreme values of volumes of the general (p,q)-mixed projection bodies and their polar bodies are established.

中文翻译：

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一般 (p,q)-混合投影体

摘要 本文介绍了一般的(p,q)-混合投影体。然后，讨论了一般(p,q)-混合投影体的一些基本性质，建立了一般(p,q)-混合投影体及其极体的体积极值。