4 problems

Let $c$ denote the parameter-to-sample ratio and let $\mu>0$ be the signal parameter in the risk curve described above. Peak-location conjecture. The peak of the generalization err…

Let a double random feature model have two parts of random features with scale parameters whose difference is neither too small nor too large, and let…

Let $\widehat{\lambda}_{\mathrm{min}}^+$ denote the smallest positive eigenvalue of the relevant empirical covariance or Gram matrix, and let the double descent phenomenon mean the…

Let $\mathbf X \in \mathbb{R}^{n \times d}$ have i.i.d. rows…