あとで読む（Langevin distribution）

https://projecteuclid.org/download/pdfview_1/euclid.ba/1570586976

https://arxiv.org/pdf/1311.0907.pdf

https://s3.amazonaws.com/academia.edu.documents/47812415/Bayesian_inference_on_the_Stiefel_manifo20160805-18697-1qlmsoj.pdf?response-content-disposition=inline%3B%20filename%3DBayesian_inference_on_the_Stiefel_manifo.pdf&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWOWYYGZ2Y53UL3A%2F20200305%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20200305T152136Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=f1d85956a6529bd876dfdb566195ffe74c0bbe5e5b57d5399652c2e44ce05d57

https://www.sciencedirect.com/science/article/abs/pii/S1568494615006626

https://pdf.sciencedirectassets.com/272481/1-s2.0-S0047259X00X00577/1-s2.0-S0047259X83710055/main.pdf?X-Amz-Security-Token=IQoJb3JpZ2luX2VjEJ7%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJGMEQCIGGg%2B2VSOQs%2BmiQoNkvIrAQWPH%2BRQvBHctuhqoQDMKSMAiBtwoAuQTGwdFcnhln%2BFde5SmATEhkC9tCycLOyjFr6Biq0Awh3EAIaDDA1OTAwMzU0Njg2NSIMePQhC1jZcSUy9TLjKpEDKNr8f1FIhHUZvxoT0beFPsPwa5W43wRBFi9GmPczFUo0FjL%2B4rVNO5%2F84FhnzRQa%2Faf3A8WoDC5J4OiJh35eXORTs%2FeRRKknoEU1vTPQ01HoOcwSxwSNuZHVWtC6fIi7r8DUlbzsWqZAOJ3ij4oiUsLrBtbiP6i4lohNxMCexgFRHcKmL6%2BHBKKAxDjNx4v29aVZ3S%2FDRb8OqsJTGPLdG2B1NnPEcNRAUSPzU%2F0NaWmLcUqxn7th%2F8YIJBD48xln1aHV4XO4%2FPcmheUGMRhN16GgJzn3s0cQCS7f2GFm3oRWojJDKoIVguFjBNJnu4uey29j90BtUgiYZPhVUnIuk69tiskwlTtwcZ2Jv3vRRTwzjWd9wnTs8JgWrSEq2jGwZFEMurTws3K7paIJtvwlZaTl1JbeFHyCZJ%2Bi4CXX35OTo%2B2xzMkEFtIdCQKn%2FW4b0U2lBnCx1Ee8nqTLy8chS%2Bmz45ypaNeYzejfYVd%2Fk44ZgNwIEP%2BIv9E%2BR%2BzP4vV%2FuETn1fJM5P1CQXWpS8sHQ%2Bswgf%2BD8wU67AFSv3GHtLl%2BTGvU9hmZAtbaslK95hVLgnhjiFtMXMZXK%2FgO%2B%2Fx69F7xP46SgIfSwZEaVOyZ%2BzK2TfqVOou7xhbyrGASW9%2Bc5xypJuDKKGU0oMn7aJKj1Cl2OklMXraJvxNDE60OO3cF5RExvlK0HkzSkoxwlqr5p8dNDQ83kXzSEswPzn43bEUjqOdGxzXqXwswC6BpB7c7npKcIFm92KEd%2BTdUwhFkSJCywPgQlI0ksHBVdBVqorN8SfPjhZvVYRpU%2FT9ZmH8Re2CeWehm8E2mM%2Bm6xobU7goys9vh%2FD9duG6pnZAryzQ1E7CNjA%3D%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20200305T152204Z&X-Amz-SignedHeaders=host&X-Amz-Expires=300&X-Amz-Credential=ASIAQ3PHCVTY4Z7LJR4S%2F20200305%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Signature=1475ebafda274f19229b3e61c2ade048a41f4a5f5f9f7a925a09507247b589b1&hash=4ebefb16afb03f11396ce8c48d7b4016ea98c80494929e7b6f0b7bd48c33a54e&host=68042c943591013ac2b2430a89b270f6af2c76d8dfd086a07176afe7c76c2c61&pii=S0047259X83710055&tid=spdf-976f38da-fdd8-4526-9a8d-84ea9e09750e&sid=aabe7c0e2e2c39499189d41434ce9c4003a0gxrqa&type=client

https://facerec.ece.wisc.edu/cameranet/turaga08.pdf

https://escholarship.org/content/qt1c97m0j3/qt1c97m0j3.pdf

https://www.sciencedirect.com/science/article/abs/pii/0378375883900435