Edit Profile (opens in new tab) Niikuni, Hiroaki Author ID: niikuni.hiroaki Published as: Niikuni, Hiroaki; Nııkunı, Hiroaki Documents Indexed: 21 Publications since 2007 Co-Authors 21 single-authored all top 5 Serials 2 Letters in Mathematical Physics 2 Funkcialaj Ekvacioj. Serio Internacia 2 Integral Equations and Operator Theory 2 Far East Journal of Mathematical Sciences 1 Journal of Mathematical Analysis and Applications 1 Results in Mathematics 1 Tokyo Journal of Mathematics 1 Tsukuba Journal of Mathematics 1 SIAM Journal on Mathematical Analysis 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 1 Kyushu Journal of Mathematics 1 Opuscula Mathematica 1 Annales Henri Poincaré 1 Journal of Applied Mathematics and Computing 1 Communications in Computational Physics 1 Operators and Matrices 1 RIMS Kôkyûroku Bessatsu all top 5 Fields 20 Ordinary differential equations (34-XX) 5 Quantum theory (81-XX) 4 Statistical mechanics, structure of matter (82-XX) 2 Operator theory (47-XX) 1 Combinatorics (05-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Partial differential equations (35-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 11 Publications have been cited 30 times in 21 Documents Cited by ▼ Year ▼ The rotation number for the generalized Kronig-Penney Hamiltonians. Zbl 1137.81014 Niikuni, Hiroaki 7 2007 Decisiveness of the spectral gaps of periodic Schrödinger operators on the dumbbell-like metric graph. Zbl 1334.34065 Niikuni, Hiroaki 6 2015 Existence of eigenvalues embedded in the spectral bands of Schrödinger operators on carbon nanotubes with impurities. Zbl 1451.34107 Niikuni, Hiroaki 4 2020 Schrödinger operators on a periodically broken zigzag carbon nanotube. Zbl 1372.34129 Niikuni, Hiroaki 3 2017 Identification of the absent spectral gaps in a class of generalized Kronig-Penney Hamiltonians. Zbl 1152.34063 Nııkunı, Hiroaki 2 2007 Spectral band structure of periodic Schrödinger operators with two potentials on the degenerate zigzag nanotube. Zbl 1334.34066 Niikuni, Hiroaki 2 2016 Spectral band structure of periodic Schrödinger operators on a generalized degenerate zigzag nanotube. Zbl 1337.34087 Niikuni, Hiroaki 2 2015 Spectra of periodic Schrödinger operators on the degenerate zigzag nanotube with \(\delta\) type vertex conditions. Zbl 1319.34149 Niikuni, Hiroaki 1 2014 Absent spectral gaps of the generalized Kronig-Penney Hamiltonians. Zbl 1161.34058 Niikuni, Hiroaki 1 2008 Edge states of Schrödinger equations on graphene with zigzag boundaries. Zbl 1473.81074 Niikuni, Hiroaki 1 2021 On the spectra of Schrödinger operators on zigzag nanotubes with multiple bonds. Zbl 1423.81084 Niikuni, Hiroaki 1 2019 Edge states of Schrödinger equations on graphene with zigzag boundaries. Zbl 1473.81074 Niikuni, Hiroaki 1 2021 Existence of eigenvalues embedded in the spectral bands of Schrödinger operators on carbon nanotubes with impurities. Zbl 1451.34107 Niikuni, Hiroaki 4 2020 On the spectra of Schrödinger operators on zigzag nanotubes with multiple bonds. Zbl 1423.81084 Niikuni, Hiroaki 1 2019 Schrödinger operators on a periodically broken zigzag carbon nanotube. Zbl 1372.34129 Niikuni, Hiroaki 3 2017 Spectral band structure of periodic Schrödinger operators with two potentials on the degenerate zigzag nanotube. Zbl 1334.34066 Niikuni, Hiroaki 2 2016 Decisiveness of the spectral gaps of periodic Schrödinger operators on the dumbbell-like metric graph. Zbl 1334.34065 Niikuni, Hiroaki 6 2015 Spectral band structure of periodic Schrödinger operators on a generalized degenerate zigzag nanotube. Zbl 1337.34087 Niikuni, Hiroaki 2 2015 Spectra of periodic Schrödinger operators on the degenerate zigzag nanotube with \(\delta\) type vertex conditions. Zbl 1319.34149 Niikuni, Hiroaki 1 2014 Absent spectral gaps of the generalized Kronig-Penney Hamiltonians. Zbl 1161.34058 Niikuni, Hiroaki 1 2008 The rotation number for the generalized Kronig-Penney Hamiltonians. Zbl 1137.81014 Niikuni, Hiroaki 7 2007 Identification of the absent spectral gaps in a class of generalized Kronig-Penney Hamiltonians. Zbl 1152.34063 Nııkunı, Hiroaki 2 2007 all cited Publications top 5 cited Publications all top 5 Cited by 22 Authors 7 Niikuni, Hiroaki 3 Zhang, Meirong 3 Zhou, Zhe 2 Pelinovsky, Dmitry Efimovich 2 Schneider, Guido 1 Borges, Ernesto P. 1 Federson, Márcia 1 Fisher, Lee 1 Gilg, Steffen 1 Gomez, Ignacio S. 1 Goodman, Roy H. 1 Grau, Rogelio 1 Ishii, Yuta 1 Khrabustovskyi, Andrii 1 Li, Long 1 Li, Wei 1 Mesquita, Jaqueline Godoy 1 Pankov, Alexander A. 1 Shipman, Stephen P. 1 Toon, Eduard 1 Zheng, Zuohuan 1 Zhou, Jinling all top 5 Cited in 18 Serials 2 Letters in Mathematical Physics 2 Discrete and Continuous Dynamical Systems 2 Annales Henri Poincaré 1 Communications in Mathematical Physics 1 Journal of Mathematical Analysis and Applications 1 Nonlinearity 1 Funkcialaj Ekvacioj. Serio Internacia 1 Integral Equations and Operator Theory 1 Journal of Differential Equations 1 Proceedings of the American Mathematical Society 1 Results in Mathematics 1 Acta Mathematicae Applicatae Sinica. English Series 1 Journal of Dynamics and Differential Equations 1 NoDEA. Nonlinear Differential Equations and Applications 1 Journal of Applied Mathematics and Computing 1 Journal of Physics A: Mathematical and Theoretical 1 Communications in Computational Physics 1 Operators and Matrices all top 5 Cited in 13 Fields 10 Quantum theory (81-XX) 9 Ordinary differential equations (34-XX) 8 Partial differential equations (35-XX) 5 Statistical mechanics, structure of matter (82-XX) 4 Dynamical systems and ergodic theory (37-XX) 3 Combinatorics (05-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Group theory and generalizations (20-XX) 1 Operator theory (47-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Information and communication theory, circuits (94-XX) Citations by Year