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math.NA2026
Generalized matrix nearness problems II
Rongbiao Thomas Wang, Chi-Kwong Li, Lek-Heng Lim
Given a matrix , a matrix nearness problem seeks an that most closely approximates in the sense of minimizing under a variety of constraints on .…
math.NA2024
Summing divergent matrix series
Rongbiao Wang, JungHo Lee, Lek-Heng Lim
We extend several celebrated methods in classical analysis for summing series of complex numbers to series of complex matrices. These include the summation methods of Abel, Borel,…