Elliptic theory and noncommutative geometry : nonlocal elliptic operators / Vladimir E. Nazaikinskii, Anton Yu. Savin, Boris Yu. Sternin.
The book deals with nonlocal elliptic differential operators. These are operators whose coefficients involve shifts generated by diffeomorphisms of the manifold on which the operators are defined. The main goal of the study is to relate analytical invariants (in particular, the index) of such operat...
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