Weak type inequalities on Lorentz martingale spaces

By the atomic decomposition of Lorentz martingale spaces Hp,qs, we obtain the following weak type inequalities for maximal operator and square operator P(Mf>λ)⪯(‖f‖Hp,qsλ)p,P(Sf>λ)⪯(‖f‖Hp,qsλ)p,0