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astro-ph.EP2026
Inversion of Hydrogen-rich Atmosphere and Water Content for GJ 486b
Junda Zhou, Zhenyang Huang, Di-Chang Chen +1
GJ~486b is a close-in planet orbiting an M dwarf and is therefore expected to have undergone strong atmospheric escape. Motivated by theoretical and observational studies on the co…
cs.IT2026
Complex-Valued-Matrix Permanents: SPA-based Approximations and Double-Cover Analysis
Junda Zhou, Pascal O. Vontobel
Approximating the permanent of a complex-valued matrix is a fundamental problem with applications in Boson sampling and probabilistic inference. In this paper, we extend factor-gra…