On the Incomparability of Operator Fidelity and Q-Power Means in the Near Order
A short note showing that operator fidelity and the power means of two positive matrices are incomparable in the near order, for any choice of exponent.
Tag: Math
Cryptographic Algorithms on Lattices: Randomized Nearest Plane by Klein
Notes on Babai's deterministic nearest-plane algorithm for the Closest Vector Problem, and Klein's randomized variant built on a discrete Gaussian sampler over the integers.
Exposition on Robust Vector Space Decomposition (RVSD)
A brief explainer of Robust Vector Space Decomposition (RVSD), a meta-algorithm for unsupervised learning tasks like subspace clustering and mixtures of Gaussians, along with a short video lecture.
On Counting Special Basis for $\mathbb{R}^n$
Counting the number of basis sets of $\mathbb{R}^3$ whose involved vectors have only 0 or 1 coordinates.