DavidÌýBortzProfessorAPPLIED MATHEMATICSÌýdmbortz@colorado.eduÌý303-492-7569David Bortz's websiteAddressOffice:ÌýECOT 640Articles by David BortzAn error has occured - please check the console. An error has occured with the API - please try again later