TensorFlow Keras Optimizers

keras.optimizers.SGD     (lr = 0.01 , momentum=0.0, decay=0.0, nesterov=False)
keras.optimizers.RMSprop (lr = 0.001, rho = 0.9   , epsilon=None, decay=0.0)
keras.optimizers.Adagrad (lr = 0.01 ,               epsilon=None, decay=0.0)
keras.optimizers.Adadelta(lr = 1.0  , rho = 0.95  , epsilon=None, decay=0.0)

keras.optimizers.Adam(lr      = 0.001,
                      beta_1  = 0.9  ,
                      beta_2  = 0.999,
                      epsilon = None ,
                      decay   = 0.0  ,
                      amsgrad = False)

keras.optimizers.Adamax(lr      = 0.002,
                        beta_1  = 0.9  ,
                        beta_2  = 0.999,
                        epsilon = None ,
                        decay   = 0.0  )

keras.optimizers.Nadam(lr             = 0.002,
                       beta_1         = 0.9  ,
                       beta_2         = 0.999,
                       epsilon        = None ,
                       schedule_decay = 0.004)

Reference: keras.io