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News/Regularized Variational and Spectral Log-Density-Ratio Estimation in the Gaussian Location Model
arxiv
PublishedJuly 3, 2026 at 4:00 AM
—neutral

Regularized Variational and Spectral Log-Density-Ratio Estimation in the Gaussian Location Model

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arXiv:2607.01895v1 Announce Type: new Abstract: We study ridge-regularized log-density-ratio estimation in the Gaussian location model with a common covariance matrix. By affine invariance, the model is written as q $\sim$ N(0, I), p $\sim$ N($\Delta$, I), with linear features, where $\Delta$ is a m

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