Need to read this one, if you are the authors can I ask you to delineate it against Song et al. "Score-Based Generative Modeling through Stochastic Differential

Need to read this one, if you are the authors can I ask you to delineate it against Song et al. "Score-Based Generative Modeling through Stochastic Differential Equations" https://arxiv.org/abs/2011.13456 https://arxiv.org/abs/2011.13456 ?