Abstract
A summary is given of some of the author's results concerning the “CS equations” (C: Congruent S: Schroedinger operators) and the “ACS eqs.” (A: Altered). The CS eqs., respectively ACS eqs. are strongly 2+1-D (two spatial dimensions in addition to time) generalizations of the cornerstone (higher order) Korteweg-de Vries (KdV) eqs.,respectively IMKdV eqs. (I: Integrated, M: Modified) of soliton theory. The operator theoretic context which engenders the CS eqs. and the ACS eqs. is developed. The key to the relation between the CS eqs. and the ACS eqs. is either of the presented semifactorizations of the 2-D Schroedinger operator with potential function. Semifactorizations of the 4-D and 8-D Schroedinger operator are also achieved. Topics for further research are delineated.
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References
A. Csizmazia, Invariants under Congruence for Infinite Dimensional Operators, Thesis, University of California, Berkeley, (1984).
A. Csizmazia, The Heisenberg-Lax Equation Generalized, in “Some Topics on Inverse Problems”, Proceedings of the XVIth Workshop on the Interdisciplinary Study of Inverse Problems, (Montpellier,, Nov.30–Dec. 4, 1987),), World Scientific, Publishing Co., Singapore, (1988).
G. L. Lamb, Jr., Elements of Soliton Theory, John Wiley & Sons, Inc., New York, (1980).
B. L. van der Waerden, Group Theory and Quantum Mechanics, Vol. 214, Springer-Verlag, Berlin, (1974).
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© 1989 Springer-Verlag
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Csizmazia, A.P. (1989). Hunting of the quarton. In: Balabane, M., Lochak, P., Sulem, C. (eds) Integrable Systems and Applications. Lecture Notes in Physics, vol 342. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0035663
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DOI: https://doi.org/10.1007/BFb0035663
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