詹森式不等式的一些家族与信息理论的应用
1The Viterbi Faculty of Electrical and Computer Engineering, Technion-Israel Institute of Technology, Technion City, Haifa 3200003, Israel.
Entropy (Basel, Switzerland)
|May 27, 2023
概括
这项研究通过优化触点来限制复杂表达式,引入了新的詹森式不等式. 这些新的不平等性比传统方法提供了更严格的下界,在信息理论中有应用.
科学领域:
- 数学 数学 是一个数学.
- 信息理论 信息理论
背景情况:
- 传统的詹森不等式使用在 (E[X],f(E[X])) 处的触角同系函数用于凸函数边界.
- 这种标准方法对于涉及期望的复杂表达式可能不会产生最紧密的下界.
研究的目的:
- 通过优化接触点来导出新的"詹森式"不等式.
- 为复杂表达式建立更严格的下界,超出标准的詹森不等式.
主要方法:
- 为给定的表达式触角的亲系函数优化触角点.
- 根据优化的接触点,推导出新的不等式家族.
主要成果:
- 已经推导出了几种新的詹森式不等式家族.
- 这些不平等在特定情况下与传统的詹森不平等相比,提供了更严格的下界.
结论:
- 优化的触点方法导致了新的和更紧密的不平等.
- 衍生出来的詹森式不等式已经证明了在信息理论应用中具有潜在的有用性.
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