On the essential spectrum of Dirac operators with spherically symmetric potentials. Math. Ann. 297 (1993) 117-131

On the genericity of nonvanishing instability intervals in periodic Dirac systems. Ann. Inst. Henri Poincaré, Phys, Théor. 59 (1993) 315-326

Dense point spectrum and absolutely continuous spectrum in spherically symmetric Dirac operators. Forum Math. 7 (1995) 459-475

A remark on boundary value problems for the Dirac operator. Quart. J. Math. Oxford (2) 46 (1995) 509-516

Dense point spectrum for the one-dimensional Dirac operator with an electrostatic potential. Proc. Roy. Soc. Edinburgh 126A (1996) 1087-1096

Absolutely continuous spectrum of Dirac systems with potentials infinite at infinity. Math. Proc. Camb. Phil. Soc. 122 (1997) 377-384

(with O. Yamada) Spherically symmetric Dirac operators with variable mass and potentials infinite at infinity. Publ. RIMS 34 (1998) 211-227

(with B.M. Brown, M.S.P. Eastham, A.M. Hinz, T. Kriecherbauer, D.K.R. McCormack) Welsh eigenvalues of radially periodic Schrödinger operators. J. Math. Anal. Appl. 225 (1998) 347-357

Oscillation of the perturbed Hill equation and the lower spectrum of radially periodic Schrödinger operators in the plane. Proc. Amer. Math. Soc. 127 (1999) 2367-2374

A remark on the essential spectra of Dirac systems. Bull. London Math. Soc. 32 (2000) 63-70

Critical coupling constants and eigenvalue asymptotics of perturbed periodic Sturm-Liouville operators. Commun. Math. Phys. 211 (2000) 465-485

Relative oscillation - non-oscillation criteria for perturbed periodic Dirac systems. J. Math. Anal. Appl. 246 (2000) 591-607

An application of Gesztesy-Simon-Teschl oscillation theory to a problem in differential geometry. J. Math. Anal. Appl. 261 (2001) 61-71

A remark on a paper by Evans and Harris on the point spectra of Dirac operators. Proc. Roy. Soc. Edinburgh 131A (2001) 1237-1243

Eigenvalues in gaps of perturbed periodic Dirac operators : numerical evidence. J. Comput. Appl. Math. 148 (2002) 169-181

A short proof for Bargmann-type inequalities. Proc. R. Soc. Lond. A 458 (2002) 2829-2832

Eigenvalue asymptotics of perturbed periodic Dirac systems in the slow-decay limit. Proc. Amer. Math. Soc. 131 (2003) 1205-1214

(with V. Moskvina) Approximate projectors in singular spectrum analysis. SIAM J. Matrix Anal. Appl. 24 (2003) 932-942

Spectral properties of Dirac systems with coefficients infinite at infinity. Wave phenomena and symptotic analysis, RIMS Kokyuroku, Kyoto Univ. 1315 (2003) 24-31

On the integrability of differential equations by quadratures according to Maximovic. J. Comput. Appl. Math. 171 (2004) 393-410

(with H. Kalf) Spectral stability of the Coulomb-Dirac Hamiltonian with anomalous magnetic moment. J. Diff. Eq. 205 (2004) 408-423

(with B.M. Brown, M.S.P. Eastham, A.M. Hinz) Distribution of eigenvalues in gaps of the essential spectrum of Sturm-Liouville operators - a numerical approach. Journal of Computational Analysis and Applications. Vol 6 No 1 (2004) 85-95

(with V. Moskvina, P. Holmans, N. Craddock) Design of case-controls studies with unscreened controls. Ann. Hum. Genet. 69 (2005) 566-576

(with M.S.P. Eastham) Absence of high-energy spectral concentration for Dirac systems with divergent potentials. Proc. Roy. Soc. Edinburgh 135A (2005) 689-702

Exceptional coupling constants for the Coulomb-Dirac operator with anomalous magnetic moment. J. Comput. Appl. Math. 194 (2006) 17-25

(with V. Moskvina) Susceptibility of biallelic haplotype and genotype frequencies to genotyping error. Biometrics 62 (2006) 1116-1123

(with V. Moskvina) Individual SNP allele reconstruction from informative markers selected by a non-linear Gauss-type algorithm. Human Heredity 62 (2006) 97-106

(with S. J. Monaquel) On M-functions and operator theory for non-selfadjoint discrete Hamiltonian systems. J. Comput. Appl. Math. 208 (2007) 82-101

(with M.S.P. Eastham) Asymptotics of the spectral density for radial Dirac operators with divergent potentials. Publications RIMS, Kyoto (2008)

(with V. Moskvina) On multiple testing correction in genome-wide association studies.Genetic Epidemiology 32 (2008) 567-573

(with B.M. Brown, M. Langer) The HELP inequality on trees,in: Analysis on Graphs and its Applications, Proceedings of Symposia in Pure Mathematics 77 (2008) 337-354

(with S. Aumann, B.M. Brown) A Hardy-Littlewood-type inequality for the p-Laplacian. Bull. London Math. Soc. 40 (2008) 525-531

(with B.M. Brown, J.S. Christiansen) Spectral properties of a q-Sturm-Liouville operator. Commun. Math. Phys. 287 (2009) 259-274

(with W.D. Evans) A discrete Hardy-Laptev-Weidl type inequality and associated Schrödinger-type operators. Rev. Mat. Complut. 22 (2009) 75-90

(with A.A. Zhigljavsky) A characterization of the arcsine distribution. Statistics and Probability Letters 79 (2009) 2451-2455

Spectral properties of rotationally symmetric massless Dirac operators. Letters in Mathematical Physics 92 (2010) 231-241

(with E.L. Korotyaev) On the resonances and eigenvalues for a 1D half-crystal with localised impurity. J. Reine Angew. Math.(submitted)