リチャード・バルガ
Varga, R. S. (1976). On recurring theorems on diagonal dominance. Linear Algebra and its Applications, 13(1-2), 1-9.
Varga, R. S. (1976). On diagonal dominance arguments for bounding | | A − 1 | | ∞ {\displaystyle ||A^{-1}||_{\infty }} . Linear Algebra and its applications, 14(3), 211-217.
Csordas, G., & Varga, R. S. (1990). Necessary and sufficient conditions and the Riemann hypothesis. Adv. in Appl. Math, 11(3), 328-357.
Starke, G., & Varga, R. S. (1993). A hybrid Arnoldi-Faber iterative method for nonsymmetric systems of linear equations. en:Numerische Mathematik, 64(1), 213-240.
Eiermann, M., & Varga, R. S. (1993). Zeros and local extreme points of Faber polynomials associated with hypocycloidal domains. Electron. Trans. Numer. Anal, 1, 49-71.
Nabben, R., & Varga, R. S. (1994). A linear algebra proof that the inverse of a strictly ultrametric matrix is a strictly diagonally dominant Stieltjes matrix.