Geodesic

Volume 26 (1992) no. 4

Sommaire

A theory of noncommutative determinants and characteristic functions of graphs
p. 1-20
Central extensions of infinite-dimensional Lie algebras
p. 21-29
Universal completions of complex classical groups
p. 30-44
Pseudodifferential operators with discontinuous symbols: $K$-theory and the index formula
p. 45-56
Newton polyhedron, Hilbert polynomial, and sums of finite sets
p. 57-63
On one class of bases in Hilbert spaces and the similarity problem for volterra operators
p. 64-67
Symbols of some operator sequences and quadrature methods for solving singular integral equations with conjugation
p. 67-70
Decomposition of symmetric and exterior powers of the coadjoint representation of $\mathfrak{gl}(n)$ in the unstable case
p. 70-73
Irreducible graded $A_1^{(1)}$-modules
p. 73-75
Vector invariants of the groups $GL(n,\mathbb{C}[[t]])$ and $Sp(2m,\mathbb{C}[[t]])$
p. 75-77
Pseudocharacters on the group $SL(2,\mathbb{Z})$
p. 77-79
Necessary conditions for similarity of an operator to a self-adjoint one
p. 80-83
Dirac reduction of the hamiltonian operator $\delta^{IJ}\frac{d}{dx}$ to a submanifold of euclidean space with flat normal connection
p. 83-86
Bounds for the Betti numbers of a level surface of a harmonic polynomial
p. 86-88
Isomorphism of the $n$-dimensional neumann system and the $n$-site gaudin magnet
p. 88-90
Deformations of the nilpotent infinite-dimensional Lie algebra $L_2$
p. 90-92
Limit theorems for basic states of the anderson model
p. 92-95