PNG  IHDRu&00PLTE@@@ftRNSS pHYsetEXtTitleInftyEditor MathImageytEXtAuthorAdministrator*tEXtDescription $ F_{r-1}=m/2 $*i/tEXtCopyrightInftyProject@$tEXtCreation Time r'rr'rr  IDATxa `<<q8Ls 6FbbϖRگ{Gn:kݿĬ8l4>T#[=qRiﰱ'S x5JeeS[2l|Y͛L/*U^ {aK_UW~.8AIƥT62*bOZwVњ0ăO!+6cp |\WˤnٚAZ8^wۘ]6;]flmq; 2>H,IENDB`