@article {IOPORT.01382574, author = {Li, Yaotang and You, Zhaoyang}, title = {Doubly geometric mean diagonally dominant matrices with nonzero elements chain.}, year = {1999}, journal = {Journal of Mathematical Research \& Exposition}, volume = {19}, number = {2}, issn = {1000-341X}, pages = {458-462}, publisher = {Dalian University of Science and Technology, Dalian}, abstract = {Summary: The concept of doubly geometric mean diagonally dominant matrices with nonzero elements chain is introduced, and the relations between matrices and diagonally dominant matrices with nonzero elements chain as well as nonsingular $H$-matrices are studied.}, identifier = {01382574}, }