σ = L : ε {\displaystyle \sigma =\mathbb {L} :\varepsilon }
ϵ ~ 0 ϵ 0 = 1 − ( 1 + m ) 2 2 m f ( f → 0 ) , ϵ ~ 0 ϵ 0 ≥ ( 1 − 2 f / π ) 2 2 f / π ≃ 1 − 2 [ 1 − log ( 2 ) ] f / π ( m = ∞ , LA lower bound ) . {\displaystyle {\begin{matrix}{\frac {{\tilde {\epsilon }}_{0}}{\epsilon _{0}}}&=&1-{\frac {(1+{\sqrt {m}})^{2}}{2{\sqrt {m}}}}f&(f\to 0),\\{\frac {{\tilde {\epsilon }}_{0}}{\epsilon _{0}}}&\geq &(1-2{\sqrt {f/\pi }})2^{2{\sqrt {f/\pi }}}\simeq 1-2[1-\log(2)]{\sqrt {f/\pi }}&(m=\infty ,{\mbox{LA lower bound}}).\end{matrix}}}
σ ~ 0 = σ 0 ( 1 − f α ) , f → 0 , α = 2 / 3 ? {\displaystyle {\tilde {\sigma }}_{0}=\sigma _{0}(1-f^{\alpha }),\quad f\to 0,\quad \alpha =2/3?}