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The singularity probability of a random symmetric matrix is exponentially small
Journal of the American Mathematical Society ( IF 3.9 ) Pub Date : 2024-01-19 , DOI: 10.1090/jams/1042 Marcelo Campos , Matthew Jenssen , Marcus Michelen , Julian Sahasrabudhe
中文翻译:
随机对称矩阵的奇点概率呈指数小
更新日期:2024-01-19
Journal of the American Mathematical Society ( IF 3.9 ) Pub Date : 2024-01-19 , DOI: 10.1090/jams/1042 Marcelo Campos , Matthew Jenssen , Marcus Michelen , Julian Sahasrabudhe
Let
中文翻译:
随机对称矩阵的奇点概率呈指数小
令 A A 从所有 n × n n\times n 对称矩阵的集合中均匀随机抽取,其中条目为 { − 1 1 } \{-1,1\} 。我们证明 \[ P ( det ( A ) = 0 ) ⩽ e − c n \mathbb {P}( \det (A) = 0 ) \leqslant e^{-cn}, \] 其中 c > 0 c>0是绝对常数,从而解决了长期以来的猜想。