作者简介
J.HaslingerisaProfessorintheDepartmentofPhysicsofMetalsatCharlesUniversityinPrague.Heistheauthororco-authoroffivemonographsandover110publicationsinscientificjournals.Hisresearchinterestsincludetheapproximationofellipticequationsandinequalities,contactmechanics,nonsmoothanalysis,approximationofdifferentialinclusions,andshapeandmaterialoptimization.R.A.E.MakinenisaProfessorintheDepartmentofMathematicalInformationTechnologyattheUniversityofJyvaskylainFinland.HehasalsoactedasamodelingspecialistatNumerolaOy(Inc.).ProfessorMakinenistheauthororco-authorofover50publicationsinscientificjournalsandconferenceproceedings.Hisresearchinterestsincludestructuraloptimization,especiallyshapeoptimization;numericalsolutionofpartialdifferentialequations;andnumericalsoftware.