重新审视$k$ - XORSAT阈值
The $k$-XORSAT threshold revisited
摘要:
本文给出了随机$k$ -XORSAT可满足性阈值定理的一个简化证明。作为一个扩展,我们还确定了满秩阈值稀疏随机矩阵在有限域上精确$k$非零条目每行。这补充了来自[Ayre,Coja-Oghlan,Gao,Müller:Combinatorica 2020]的结果。该证明结合了物理启发的消息传递参数与手术时刻计算。
英文摘要:
We provide a simplified proof of the random $k$-XORSAT satisfiability threshold theorem. As an extension we also determine the full rank threshold for sparse random matrices over finite fields with precisely $k$ non-zero entries per row. This complements a result from [Ayre, Coja-Oghlan, Gao, Müller: Combinatorica 2020]. The proof combines physics-inspired message passing arguments with a surgical moment computation.
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