Parvane AtashpeykarAli Haji‐Badali
We consider the Lorentzian pr-waves three-manifolds with recurrect curvature. We obtain a full classification of the Killing and homothetic vector fields of these spaces.
Eduardo García‐RíoPeter GilkeyStana Nikčević
Giovanni CalvarusoAmirhesam Zaeim#224del Salento, ItalyAmirhesam Zaeim
U NegiPreeti ChauhanH IzumiH IzumiY KazanariR MartinezRamirezU NegiU Negi