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0.0.5_乘积球面类的谱刚性_CN_260622.6

Authors: guobin ouyang;

0.0.5_乘积球面类的谱刚性_CN_260622.6

Abstract

本文研究一类由三个类标签常数 k0>1(无量纲紧致性常数)、Λ>8/3(比例参数)与 ℓ0>0(类基本标度长度,对偶反转半径,量纲 [L])锁定的九维约束乘积球面 M(a)=S3(a)×S3(a/√Λ)×S3(a/√Λk0)。证明在该类流形上,前三个非零 Laplace–Beltrami 特征值即构成模空间的完备坐标;前三个非零特征值不仅唯一确定整体尺度因子 a,其比值 8/3 与 Λ 更构成该几何类的谱特征签名,提供内部自洽性检验。若两个此类流形具有相同的前三个非零 Laplace 特征值,则它们必然等距。本文明确列出几何定义,讨论与经典等谱非等距反例的兼容性,并给出普适的维数必要条件(定理 5.1)。此外,给出约束乘积球面类的特征签名相容性命题(命题 6.1),展示该类在谱几何研究中的自然性与方法论意义。

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