skew distributionskew fieldskew hermitian matrixskew linesskew matrixskew product of measure preserving transformationsskew quadrilateralskew surfaceskew symmetricskew symmetric bilinear formskew symmetric determinantskew symmetric matrixskew symmetric multilinear mappingskew symmetryskew to the rightskewedskewed to the leftskewed to the rightskewnessskewness negativeskewness of two linesskewness positiveskiddingskipskip hoistskip lots sampling planslabslackslack timeslack variableslacknessslackness conditions complementaryslackness theorem complementaryslagslag pocketslag postslaggingslantslant heightslant lineslant productslanting fraction lineslanting upwardslantwiseslashslat conveyorslat elevatorsleepest slopesliceslide ficture