In this work, we proposed a new algorithm of the tensor renormalization group in four-dimensions, and showed improvement in computation time. We also performed parallel calculations on multiple-GPUs.
(Preprint!) Y. Sugimoto, S. Akiyama, and Y. Kuramashi, Tensor renormalization group study of cold and dense QCD in the strong coupling limit, [arXiv:2601.20690].
(Preprint!) Y. Sugimoto, Forward-mode automatic differentiation for the tensor renormalization group and its relation to the impurity method, [arXiv:2602.08987].