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JOURNALS // Algebra i Analiz // Archive

1990, Volume 2, Issue 2


Expository Surveys
A brief excursion into the theory of hyponormal operators
A. L. Vol'berg, V. V. Peller, D. V. Yakubovich
1

Research Papers
Coranks of elements of linear groups and the complexity of algebras of invariants
N. L. Gordeev
39
Verma modules over Kac–Moody algebras of rank 2
F. G. Malikov
65
Asymptotics of the spectrum of the Neumann problem in singularly degenerate thin domains. I
S. A. Nazarov, B. A. Plamenevskii
85
Diffeomorphism and stable diffeomorphism of simply connected manifold
N. Yu. Netsvetaev
112
On the regularity of weak solutions of variational problems of plasticity theory
G. A. Seregin
121
Generalized Toda chains in discrete time
Yu. B. Suris
141
An inverse spectral problem for the modulus of the Hankel operator, and balanced realizations
S. R. Treil'
158
Symmetries of nonlinear lattices
A. B. Shabat, R. I. Yamilov
183
A model of Verma modules over the Virasoro algebra
D. V. Yur'ev
209

Vladimir Abramovich Rokhlin 1919–1984 (on the 70th anniversary of his birth)
A. M. Vershik
227
V. A. Rokhlin's work in ergodic theory
A. M. Vershik
236
V. A. Rokhlin's work in topology
O. Ya. Viro, V. M. Kharlamov
242

Book Reviews
Ê. J. Falconer. The Geometry of Fractal Sets // Cambridge tracts in mathematics. Vol. 85. Cambridge: University Press, 1985. 162 p.
A. B. Gulisashvili
249


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