Essays on Supersymmetry

to our own also needs to be understood. Such unification may also require that the supersymmetry group possess irreducible representations with infinite reductiori on the Poincare subgroup, to accommodate an infinite set of particles. Such possibilities were 5 envisaged long ago and have recently reappeared in Kaluza-Klein . 6 d'' . th 7 S . l'' th supergraVlty an m superstnng eory. upersymmetry I...