ThisbookaddressesrecentdevelopmentsinmathematicalanalysisandcomputationalmethodsforsolvingdirectandinverseproblemsforMaxwell’sequationsinperiodicstructures.Thefundamentalimportanceofthefieldsisclear,sincetheyarerelatedtotechnologywithsignificantapplicationsinopticsandelectromagnetics.Thebookprovidesbothintroductorymaterialsandin-depthdiscussiontotheareasindiffractiveopticsthatofferrichandchallengingmathematicalproblems.Itisalsointendedtoconveyup-to-dateresultstostudentsandresearchersinappliedandcomputationalmathematics,andengineeringdisciplinesaswell.