 The regularisation strategy consists of: (i) an adaptive choice for the regularisation /inflation parameter in the update formula in EKI, and (ii) criteria for the early stopping of the scheme.
<clarity>  The regularisation strategy consists of: (i) an adaptive choice for the regularisation /inflation parameter in the update formula in EKI, and (ii) criteria for the early stopping of the scheme.
 The regularisation strategy consists of: (i) an adaptive choice for the regularisation parameter in the update formula in EKI, and (ii) criteria for the early stopping of the scheme.