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In high school, we were introduced to Venn diagrams as a tool to represent sets and their relationships visually. At the same time, we encountered basic functions like the identity function—a function that maps every element of a set to itself. For example, if we have

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Introductory Perspectives on Fixed Points

  • 章节

  • 发表日期：

    2025年

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  • Sumati Kumari Panda,
  • Velusamy Vijayakumar,
  • Ravi P. Agarwal

摘要

In high school, we were introduced to Venn diagrams as a tool to represent sets and their relationships visually. At the same time, we encountered basic functions like the identity function—a function that maps every element of a set to itself. For example, if we have