Abstract
Certain classes of simple modules over generalized Weyl algebras (extreme modules, polynomial modules, and modules with strongD-torsion) are classified. For these algebras, analogs of the Bernshtein and Stafford theorems are proved.
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V. V. Bavula,Generalized Weyl Algebras and Their Representations [in Russian], Candidate Degree Thesis (Physics and Mathematics), Kiev (1990).
V. V. Bavula, “The finite dimensionality of Ext-s and Tor-s of simple modules over a class of algebras,”Funkts. Anal. Prilozh.,25, No. 3, 80–82 (1991).
V. V. Bavula, “Generalized Weyl algebras and their representations,”Algebra Anal.,4, Issue 1, 74–95 (1991).
V. V. Bavula, “Classification of simple sl (2) -modules and the finite dimensionality of the module of extensions of simple sl (2) -modules,”Ukr. Mat. Zh.,42, No. 9, 1174–1180 (1990).
J. E. Björk,Rings of Differential Operators, North Holland, Amsterdam (1979).
S. I. Gel'fand and Yu. I. Manin, “Homologous algebra,” in:VINITI Series in Contemporary Problems in Mathematics [in Russian], Vol. 38, VINITI, Moscow (1989).
I. N. Bernshtein, “Modules over a ring of differential operators. Investigation of fundamental solutions of equations with constant coefficients,”Funkts. Anal. Prilozh.,5, No. 2, 1 -16 (1971).
V. V. Bavula, “SimpleD [X, Y; σ,a] -modules,”Ukr. Mat. Zh.,44, No. 12, 1628–1644 (1992).
R. E. Block, “Classification of the irreducible representations of sl(2, ℂ),”Bull. Am. Math. Soc,1, No. 1, 247–250 (1979).
V. V. Bavula, “Calculation ofH*(sl (2),M) with coefficients in a simple sl (2)-module,”Funkts. Anal. Prilozh.,26, No. 1, 46–47 (1992).
E. K. Sklyanin, “Functional Bethe Ansatz,” in: B. A. Kupershmidt (ed.),Integrable and Superintegrable Systems, World Scientific, Singapore (1991).
J. T. Stafford, “Module structure of Weyl algebras,”J. London Math. Soc,18, No. 2, 429–442 (1978).
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 45, No. 9, pp. 1187–1197, September, 1993.
The author expresses his gratitude to Prof. Yu. M. Berezanskii, Prof. Yu. A. Drozd, and Prof. Yu. S. Samoilenko for fruitful discussions and remarks.
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Bavula, V.V. Extreme modules over the Weyl algebraA n . Ukr Math J 45, 1327–1338 (1993). https://doi.org/10.1007/BF01058631
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DOI: https://doi.org/10.1007/BF01058631