2 papers
astro-ph.IM2026
Life 2.0: A Scalable Distributed Space-Telescope Array for Biosignature Spectroscopy
Jian Ge, Zhangqi Dang, Ziru Zhang +15
Answering the question "Are we alone?" requires atmospheric spectroscopy of nearby terrestrial planets. For an Earth--Sun analog, even the strongest transmission signals are expect…
math.NA2026
Low-Rank Tensor Completion using Tensor Train Decomposition via Riemannian Optimization on the Quotient Geometry
Zhenlong Hu, Zhongming Chen, Defeng Sun +1
Owing to the effectiveness of Tensor Train (TT) decomposition in managing high-order tensors, low-rank tensor completion within the TT-format has emerged as a prominent research fo…