≺ : Prec symbol, 인과집합 기호, Componentwise inequality
What does the math symbol ≺ mean, as in 1≺loglogn≺logn ?
From Convex Optimization (2004), p32
the symbol $\preceq$ denotes $\textit{vector inequality}$ or $\textit{componentwise inequality}$ in $R^m$ : $u \preceq v$ means $u_i \leq u_i$ for $i=1,…,m.$
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