approximationtheory boundaryvalueproblems burgersequation chemicalkinetics childbirth congresses crisismanagement cross-culturalstudies differentialequations emergencymanagement entire functions geometricalmodelsinstatistics globaldifferentialgeometry humanbehavior interfaces(physicalsciences) marriage mathematicalmodels mathematicalphysics mathematics methodology nonlinearwaves partial shockwaves solidstatechemistry statisticalmethods thermodynamics vitalstatistics