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astro-ph.CO2025★ 3 cited
Revisiting the Hubble constant, sound horizon and cosmography from late-time Universe observations
Zhiwei Yang, Tonghua Liu, Xiaolei Li
The Hubble tension has become one of the central problems in cosmology. In this work, we determine the Hubble constant and sound horizon by using the combination of Bar…
math.NA2025
Numerical reconstructions of a source term in a mobile-immobile diffusion model from the partial interior observation
Zhiwei Yang, Yikan Liu
We consider an inverse source problem in the two-time-scale mobile-immobile fractional diffusion model from partial interior observation. Theoretically, we combine the fractional D…