Journal of Mathematical Inequalities · Volume 17, Issue 3 On the spectral norms of r-circulant and geometric circulant matrices with the bi-periodic hyper-Horadam sequence 17-55 Pages 867-883 DOI 10.7153/jmi-2023-17-55 Downloads Short PDF Full PDF PNG Authors Nassima Belaggoun Hacéne Belbachir Keywords spectral norms Euclidean norms r-circulant matrix geometric circulant matrix bi-periodic hyper-Horadam sequence Subject classes 15A60 15B05 15B36 11B39