We find that the total unsigned magnetic flux ( ${{\rm{\Phi }}}_{\mathrm{AR}}$ ) of active regions (ARs ...
large flares, with the proportion of eruptive flares exhibiting a strong anticorrelation with ${{\rm{\Phi ...
supported by the high positive correlation we obtained between the critical decay index height and ${{\rm{\Phi ...
}}}_{\mathrm{AR}}$ , implying that ARs with a larger ${{\rm{\Phi }}}_{\mathrm{AR}}$ have a stronger ...