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math.NA2026
Stable Recovery of Matrix Gauge Classes from Pointwise Invariants
Dexuan Zhou, Huajie Chen, Bernie Hsu +1
A parameterized matrix family on a configuration domain is determined by its physical content only up to a constant orthogonal change of basis. This gauge ambiguity…
math.NA2025
Mixed regularity and sparse grid approximations of -body Schrödinger evolution equation
Long Meng, Dexuan Zhou
In this paper, we present a mathematical analysis of time-dependent -body electronic systems and establish mixed regularity for the corresponding wavefunctions. Based on this, w…