simple arrangementsimple charactersimple closedsimple closed contoursimple closed curvesimple combinationsimple componentsimple conditionsimple connected regionsimple connectivitysimple convergence topologysimple conversesimple correlationsimple curvesimple cuspsimple discontinuitysimple equationsimple equationssimple eventsimple extension of a fieldsimple flowsimple formsimple functionsimple groupsimple harmonicsimple harmonic motionsimple hexagonsimple hypothesissimple interestsimple iterationsimple iteration methodsimple k modulesimple lie groupsimple linear equationssimple linear regressionsimple loss functionsimple motionsimple multivariate regressionsimple open arcsimple ordersimple order relationsimple ordering relationsimple pathsimple pendulumsimple point of a curvesimple point of a varietysimple point of an analytic setsimple polesimple polyhedronsimple proposition