What is the role of SVD (singular value decomposition) in the LSA (Latent Semantic Analysis) in the text summary?

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Ibrahim Bounhas

I think that this may help you:

http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.87.5199

Giorgio Vassallo

A theory on the role of truncated singular value decomposition in Latent Semantic Analysis:

Article TSVD as a Statistical Estimator in the Latent Semantic Analy...

Abdulrehman Afzal

https://matpalm.com/lsa_via_svd/intro.html