asymptoticbehaviorofsolutions asymptotictheory boundaryvalueproblemsforsecond-orderellipticequations calculusofvariationsandoptimalcontrol;optimization classicaldifferentialgeometry congresses criticalexponents differentialgeometry ellipticequationsandsystems ellipticmonge-ampèreequations globaldifferentialgeometry manifolds minimalsurfaces nonlinearellipticequations partialdifferentialequations prescribedcurvature qualitativepropertiesofsolutions surfaceswithprescribedmeancurvature tight variationalmethodsforsecond-orderellipticequations