English
Related papers

Related papers: Index formulas on stratified manifolds

200 papers

We prove a formula for the multiplicities of the index of an equivariant transversally elliptic operator on a $G$-manifold. The formula is a sum of integrals over blowups of the strata of the group action and also involves eta invariants of…

Differential Geometry · Mathematics 2010-07-21 Jochen Bruening , Franz Kamber , Ken Richardson

In this expository paper, we explain a formula for the multiplicities of the index of an equivariant transversally elliptic operator on a $G$-manifold. The formula is a sum of integrals over blowups of the strata of the group action and…

Differential Geometry · Mathematics 2021-01-28 Jochen Brüning , Franz W. Kamber , Ken Richardson

We develop elliptic theory of operators associated with a diffeomorphism of a closed smooth manifold. The aim of the present paper is to obtain an index formula for such operators in terms of topological invariants of the manifold and of…

Operator Algebras · Mathematics 2015-11-06 Anton Savin , Boris Sternin

We give an elementary solution of the index problem for elliptic operators associated with the shift operator along the trajectories of an isometric diffeomorphism of a closed smooth manifold. This solution is based on a reduction (which…

Analysis of PDEs · Mathematics 2011-12-26 A. Savin , E. Schrohe , B. Sternin

This paper gives a survey of the index theory of tangentially elliptic and transversally elliptic operators on foliated manifolds as well as of related notions and results in non-commutative geometry.

Differential Geometry · Mathematics 2015-05-14 Yuri A. Kordyukov

We give an index formula for elliptic differential operators whose coefficients include shifts forming an infinite group.

Operator Algebras · Mathematics 2007-07-26 V. E. Nazaikinskii , A. Yu. Savin , B. Yu. Sternin

We define Atiyah-Bott index on stratified manifolds and express it in topological terms. By way of example, we compute this index for geometric operators on manifolds with edges.

Operator Algebras · Mathematics 2020-08-04 V. E. Nazaikinskii , A. Yu. Savin , B. Yu. Sternin

We generalize Roe's index theorem for graded generalized Dirac operators on amenable manifolds to multigraded elliptic uniform pseudodifferential operators. The generalization will follow from a local index theorem that is valid on any…

Differential Geometry · Mathematics 2018-06-07 Alexander Engel

We consider the index problem for a wide class of nonlocal elliptic operators on a smooth closed manifold, namely differential operators with shifts induced by the action of an isometric diffeomorphism. The key to the solution is the method…

Analysis of PDEs · Mathematics 2019-01-01 Anton Savin , Elmar Schrohe , Boris Sternin

We consider special elliptic operators in functional spaces on manifolds with a boundary which has some singular points. Such an operator can be represented by a sum of operators, and for a Fredholm property of an initial operator one needs…

Functional Analysis · Mathematics 2019-01-23 Vladimir Vasilyev

An approach to the construction of index formulas for elliptic operators on singular manifolds is suggested on the basis of K-theory of algebras and cyclic cohomology. The equivalence of Toeplitz and pseudodifferential quantizations, well…

Analysis of PDEs · Mathematics 2011-11-08 V. Nazaikinskii , G. Rozenblum , A. Savin , B. Sternin

In this paper we give a survey of elliptic theory for operators associated with diffeomorphisms of smooth manifolds. Such operators appear naturally in analysis, geometry and mathematical physics. We survey classical results as well as…

K-Theory and Homology · Mathematics 2015-11-06 Anton Savin , Boris Sternin

An elliptic theory is constructed for operators acting in subspaces defined via odd pseudodifferential projections. Subspaces of this type arise as Calderon subspaces for first order elliptic differential operators on manifolds with…

Differential Geometry · Mathematics 2015-06-26 A. Yu. Savin , B. Yu. Sternin

We find the stable homotopy classification of elliptic operators on stratified manifolds. Namely, we establish an isomorphism of the set of elliptic operators modulo stable homotopy and the $K$-homology group of the singular manifold. As a…

K-Theory and Homology · Mathematics 2011-11-08 V. E. Nazaikinskii , A. Yu. Savin , B. Yu. Sternin

We show that a Lie algebroid on a stratified manifold is integrable if, and only if, its restriction to each strata is integrable. These results allow us to construct a large class of algebras of pseudodifferential operators.

Symplectic Geometry · Mathematics 2007-05-23 Victor Nistor

The methods of integral operators on the cohomology of Hilbert schemes of points on surfaces are developed. They are used to establish integral bases for the cohomology groups of Hilbert schemes of points on a class of surfaces (and…

Algebraic Geometry · Mathematics 2007-05-23 Zhenbo Qin , Weiqiang Wang

We obtain a classification of elliptic operators modulo stable homotopy on manifolds with edges (this is in some sense the simplest class of manifolds with nonisolated singularities). We show that the operators are classified by the…

Operator Algebras · Mathematics 2015-06-26 V. Nazaikinskii , A. Savin , B. -W. Schulze , B. Sternin

We develop a categorical index calculus for elliptic symbol families. The categorified index problems we consider are a secondary version of the traditional problem of expressing the index class in K-theory in terms of…

Differential Geometry · Mathematics 2019-01-31 Markus Upmeier

This paper is a continuation of arXiv:0706.3511, where we obtained a local index formula for matrix elliptic operators with shifts. Here we establish a cohomological index formula of Atiyah-Singer type for elliptic differential operators…

Operator Algebras · Mathematics 2007-07-27 V. E. Nazaikinskii , A. Yu. Savin , B. Yu. Sternin

We study differential operators, whose coefficients define noncommutative algebras. As algebra of coefficients, we consider crossed products, corresponding to action of a discrete group on a smooth manifold. We give index formulas for…

Operator Algebras · Mathematics 2011-06-22 A. Yu. Savin , B. Yu. Sternin
‹ Prev 1 2 3 10 Next ›