deformation quantization;
index theorem;
RIEMANN-ROCH THEOREMS;
DEFORMATION QUANTIZATION;
ELLIPTIC-OPERATORS;
COHOMOLOGY;
D O I:
10.1017/S1474748019000380
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We prove a Gamma-equivariant version of the algebraic index theorem, where Gamma is a discrete group of automorphisms of a formal deformation of a symplectic manifold. The particular cases of this result are the algebraic version of the transversal index theorem related to the theorem of A. Connes and H. Moscovici for hypo-elliptic operators and the index theorem for the extension of the algebra of pseudodifferential operators by a group of diffeomorphisms of the underlying manifold due to A. Savin, B. Sternin, E. Schrohe and D. Perrot.