True, you could use the right matrix of the SVD on the term document matrix. As far as I know, the embeddings won't have the same interpretation as the left ma

True, you could use the right matrix of the SVD on the term document matrix. As far as I know, the embeddings won't have the same interpretation as the left matrix from SVD on the word-context matrix. (By LSA I mean SVD on the term document matrix). Those are excellent papers, by the way.