Hislop, D.; Wolfaardt, M. F.; Leach, P. G. L. The Schrödinger equation for the f(x)/g(x) interaction. (English) Zbl 0729.35107 J. Phys. A, Math. Gen. 23, No. 21, L1109-L1112 (1990). MSC: 35Q40 81Q05 PDF BibTeX XML Cite \textit{D. Hislop} et al., J. Phys. A, Math. Gen. 23, No. 21, L1109--L1112 (1990; Zbl 0729.35107) Full Text: DOI OpenURL
Parekh, N.; Puri, Sanjay A new numerical scheme for the Fisher equation. (English) Zbl 0729.35065 J. Phys. A, Math. Gen. 23, No. 21, L1085-L1091 (1990). MSC: 35K57 92D25 65Z05 PDF BibTeX XML Cite \textit{N. Parekh} and \textit{S. Puri}, J. Phys. A, Math. Gen. 23, No. 21, L1085--L1091 (1990; Zbl 0729.35065) Full Text: DOI OpenURL
Ibort, L. A.; López-Lacasta, C. On the existence of local and global Lagrangians for ordinary differential equations. (English) Zbl 0726.58019 J. Phys. A, Math. Gen. 23, No. 21, 4779-4792 (1990). Reviewer: V.G.Angelov (Sofia) MSC: 37J99 58E30 81T13 PDF BibTeX XML Cite \textit{L. A. Ibort} and \textit{C. López-Lacasta}, J. Phys. A, Math. Gen. 23, No. 21, 4779--4792 (1990; Zbl 0726.58019) Full Text: DOI OpenURL
Chen, Qi; MacKay, R. S.; Meiss, J. D. Cantori for symplectic maps. (English) Zbl 0725.58027 J. Phys. A, Math. Gen. 23, No. 21, L1093-L1100 (1990). Reviewer: Yu.E.Gliklikh (Voronezh) MSC: 37C70 37D99 37D45 PDF BibTeX XML Cite \textit{Q. Chen} et al., J. Phys. A, Math. Gen. 23, No. 21, L1093--L1100 (1990; Zbl 0725.58027) Full Text: DOI OpenURL
Capps, Richard H. A class of representations of affine Kac-Moody algebras. (English) Zbl 0725.17028 J. Phys. A, Math. Gen. 23, No. 21, 4727-4738 (1990). Reviewer: N.Sthanumoorthy (Madras) MSC: 17B67 17B10 PDF BibTeX XML Cite \textit{R. H. Capps}, J. Phys. A, Math. Gen. 23, No. 21, 4727--4738 (1990; Zbl 0725.17028) Full Text: DOI OpenURL
Roy, Barnana; Roychoudhury, Rajkumar Dirac equation with Hulthen potential: An algebraic approach. (English) Zbl 0723.35069 J. Phys. A, Math. Gen. 23, No. 21, 5095-5102 (1990). MSC: 35Q40 35P15 PDF BibTeX XML Cite \textit{B. Roy} and \textit{R. Roychoudhury}, J. Phys. A, Math. Gen. 23, No. 21, 5095--5102 (1990; Zbl 0723.35069) Full Text: DOI OpenURL
Estévez, P. G.; Gordoa, P. R. Painlevé analysis of the generalized Burgers-Huxley equation. (English) Zbl 0722.35083 J. Phys. A, Math. Gen. 23, No. 21, 4831-4837 (1990). MSC: 35Q53 PDF BibTeX XML Cite \textit{P. G. Estévez} and \textit{P. R. Gordoa}, J. Phys. A, Math. Gen. 23, No. 21, 4831--4837 (1990; Zbl 0722.35083) Full Text: DOI OpenURL
Hereman, Willy; Takaoka, Masanori Solitary wave solutions of nonlinear evolution and wave equations using a direct method and MACSYMA. (English) Zbl 0719.35085 J. Phys. A, Math. Gen. 23, No. 21, 4805-4822 (1990). MSC: 35Q53 35Q51 35C10 PDF BibTeX XML Cite \textit{W. Hereman} and \textit{M. Takaoka}, J. Phys. A, Math. Gen. 23, No. 21, 4805--4822 (1990; Zbl 0719.35085) Full Text: DOI Link OpenURL
Freeman, N. C.; Gilson, C. R.; Nimmo, J. J. C. Two-component KP hierarchy and the classical Boussinesq equation. (English) Zbl 0719.35084 J. Phys. A, Math. Gen. 23, No. 21, 4793-4803 (1990). MSC: 35Q53 PDF BibTeX XML Cite \textit{N. C. Freeman} et al., J. Phys. A, Math. Gen. 23, No. 21, 4793--4803 (1990; Zbl 0719.35084) Full Text: DOI OpenURL
Borzi, C.; Frisch, H. L.; Gianotti, R.; Percus, J. K. Inverse solution for some travelling-wave reaction-diffusion problems. (English) Zbl 0719.35039 J. Phys. A, Math. Gen. 23, No. 21, 4823-4830 (1990). MSC: 35K57 35C05 PDF BibTeX XML Cite \textit{C. Borzi} et al., J. Phys. A, Math. Gen. 23, No. 21, 4823--4830 (1990; Zbl 0719.35039) Full Text: DOI OpenURL
Niizeki, Komajiro Three-dimensional black-and-white Bravais quasilattices with \((2+1)\)- reducible point groups. (English) Zbl 0717.52018 J. Phys. A, Math. Gen. 23, No. 21, 5011-5016 (1990). Reviewer: J.C.Dupin MSC: 52C22 52C07 82D25 PDF BibTeX XML Cite \textit{K. Niizeki}, J. Phys. A, Math. Gen. 23, No. 21, 5011--5016 (1990; Zbl 0717.52018) Full Text: DOI OpenURL
Alcaraz, Francisco Castilho; Martins, Márcio José The operator content of the exactly integrable SU(N) magnets. (English) Zbl 0715.58055 J. Phys. A, Math. Gen. 23, No. 21, L1079-L1083 (1990). MSC: 58Z05 82D45 81R10 17B67 PDF BibTeX XML Cite \textit{F. C. Alcaraz} and \textit{M. J. Martins}, J. Phys. A, Math. Gen. 23, No. 21, L1079--L1083 (1990; Zbl 0715.58055) Full Text: DOI OpenURL
Grosche, Christian Separation of variables in path integrals and path integral solution of two potentials on the Poincaré upper half-plane. (English) Zbl 0715.58047 J. Phys. A, Math. Gen. 23, No. 21, 4885-4901 (1990). MSC: 58Z05 81S40 PDF BibTeX XML Cite \textit{C. Grosche}, J. Phys. A, Math. Gen. 23, No. 21, 4885--4901 (1990; Zbl 0715.58047) Full Text: DOI OpenURL
Berry, M. V.; Keating, J. P. A rule for quantizing chaos? (English) Zbl 0715.58043 J. Phys. A, Math. Gen. 23, No. 21, 4839-4849 (1990). MSC: 81Q50 37N20 81Q20 PDF BibTeX XML Cite \textit{M. V. Berry} and \textit{J. P. Keating}, J. Phys. A, Math. Gen. 23, No. 21, 4839--4849 (1990; Zbl 0715.58043) Full Text: DOI Link OpenURL
Couture, M.; Ge, M. L; Lee, H. C. New braid group representations of the \(B_ 2\), \(B_ 3\) and \(B_ 4\) types, their associated link polynomials and quantum R matrices. (English) Zbl 0715.22034 J. Phys. A, Math. Gen. 23, No. 21, 4765-4778 (1990). MSC: 22E70 20F36 57M25 17B37 81R50 PDF BibTeX XML Cite \textit{M. Couture} et al., J. Phys. A, Math. Gen. 23, No. 21, 4765--4778 (1990; Zbl 0715.22034) Full Text: DOI OpenURL
Couture, M.; Ge, M. L.; Lee, H. C.; Schmeing, N. C. New braid group representations of the \(D_ 2\) and \(D_ 3\) types and their Baxterization. (English) Zbl 0715.22033 J. Phys. A, Math. Gen. 23, No. 21, 4751-4764 (1990). MSC: 22E70 81R50 20F36 17B37 57M25 PDF BibTeX XML Cite \textit{M. Couture} et al., J. Phys. A, Math. Gen. 23, No. 21, 4751--4764 (1990; Zbl 0715.22033) Full Text: DOI OpenURL
Karsch, F.; Koca, M. G\({}_ 2(2)\) as the automorphism group of the octonionic root system of \(E_ 7\). (English) Zbl 0713.22011 J. Phys. A, Math. Gen. 23, No. 21, 4739-4750 (1990). MSC: 22E70 17B20 81T40 PDF BibTeX XML Cite \textit{F. Karsch} and \textit{M. Koca}, J. Phys. A, Math. Gen. 23, No. 21, 4739--4750 (1990; Zbl 0713.22011) Full Text: DOI OpenURL
Nutku, Y. Bi-Hamiltonian structure of the Kermack-McKendrick model for epidemics. (English) Zbl 0708.92021 J. Phys. A, Math. Gen. 23, No. 21, L1145-L1146 (1990). MSC: 92D30 PDF BibTeX XML Cite \textit{Y. Nutku}, J. Phys. A, Math. Gen. 23, No. 21, L1145--L1146 (1990; Zbl 0708.92021) Full Text: DOI Link OpenURL
Papoular, M. Surfing instability on a viscous shallow fluid. (English) Zbl 0708.76058 J. Phys. A, Math. Gen. 23, No. 21, L1101-L1104 (1990). MSC: 76E17 76E99 76D33 PDF BibTeX XML Cite \textit{M. Papoular}, J. Phys. A, Math. Gen. 23, No. 21, L1101--L1104 (1990; Zbl 0708.76058) Full Text: DOI OpenURL
Ferrario, Carlo; Passerini, Arianna Symmetries and constants of motion for constrained Lagrangian systems: A presymplectic version of the Noether theorem. (English) Zbl 0708.70018 J. Phys. A, Math. Gen. 23, No. 21, 5061-5081 (1990). MSC: 70H03 70G45 37J99 PDF BibTeX XML Cite \textit{C. Ferrario} and \textit{A. Passerini}, J. Phys. A, Math. Gen. 23, No. 21, 5061--5081 (1990; Zbl 0708.70018) Full Text: DOI OpenURL
Beckers, J.; Debergh, N. A note on recent Lie parasuperstructures. (English) Zbl 0708.17004 J. Phys. A, Math. Gen. 23, No. 21, L1073-L1077 (1990). MSC: 17A99 17A70 17A40 81T99 PDF BibTeX XML Cite \textit{J. Beckers} and \textit{N. Debergh}, J. Phys. A, Math. Gen. 23, No. 21, L1073--L1077 (1990; Zbl 0708.17004) Full Text: DOI OpenURL