Operators and Matrices · Volume 16, Issue 4 Spectra of graphenes with variant edges 16-71 Pages 1063-1095 DOI 10.7153/oam-2022-16-71 Downloads Short PDF Full PDF PNG Authors Hiroaki Niikuni Keywords quantum graph bulk Hamiltonian edge Hamiltonian graphene band structure Cramer's rule Subject classes 34L05 34L15 34B45