Geodesic

Volume 3 (1991) no. 3

Sommaire

The two-dimensional Schr\"odinger operator with a homogeneous magnetic field and its perturbations by periodic zero-range potentials
p. 1-48
Decreasing solutions and dispersion laws in a~$(2+1)$-dimensional dressing method
p. 49-56
Representation of $C^*$-algebras generated by pseudodifferential operators in a~polyhedron
p. 57-77
The Schoenberg problem on positive-definite functions
p. 78-85
Classification of irreducible orthogonal decompositions of simple Lie algebras of type $A_n$
p. 86-109
Isometric and contractive operators in Kre\v\i n spaces
p. 110-126
Identity components of restrictions of a~representation of a~finite grou
p. 127-146
On defects of valued division algebras
p. 147-164
Class field theory of multidimensional local fields of characteristic~0 with residue field of positive characteristic
p. 165-196
The algebra $\mathrm{Vert}(\mathbb C\mathrm{vir},c)$ of vertex operators for the Virasoro algebra
p. 197-205
Yu.\,V~Linnik. Some of his work from the~1950s
p. 206-215
J.~William Helton. ``Operator Theory, Analytic Functions, Matrices, and Electrical Engineering''. CBMS Regional Conf. Series in Math.~N~68. American Math. Society, 1987. 134~p.;
p. 216-222