New Bounds of the Infinity Norm of the Inverse of GS-SDD Matrices with Their Applications
1. School of Mathematics and Information Science, Baoji University of Arts and Sciences, Baoji 721013, China; 2. Yinchuan No.31 Middle School, Yinchuan 750001, China; 3. Shaanxi Zhashui High School, Zhashui 711400, China
About author: DUAN Wei-ting (2000-), female, native of Guyuan, Ningxia, teacher of Yinchuan No.31 Middle School, engages in numerical algebra; WEN De-kun (1999-), male, native of Shangluo, Shaanxi, teacher of Shaanxi Zhashui High School, engages in numerical algebra; HUI Min (1987-), female, native of Baoji, Shaanxi, lecturer of Baoji University of Arts and Sciences, engages in numerical algebra; WANG Ya-qiang (1983-), male, native of Baoji, Shaanxi, professor of Baoji University of Arts and Sciences, engages in numerical algebra.
Supported by:
Supported by the Natural Science Foundation of Shaanxi Province (Grant No. 2020JM-622) and the Postgraduate Innovative Research Project of Baoji University of Arts and Sciences (Grant No. YJSCX25YB39).
DUAN Wei-ting, WEN De-kun, HUI Min, WANG Ya-qiang. New Bounds of the Infinity Norm of the Inverse of GS-SDD Matrices with Their Applications[J]. Chinese Quarterly Journal of Mathematics, 2026, 41(2): 184-196.