Abstract:
A study is made of the spectral properties of bilocal operators in the expansion of a product
of operators on the cone in the Wilson–Zimmermann approach [1–4]. It is shown that the
spectral condition and polynomial boundedness lead to analyticity of the matrix elements of
the biloeal operators in coordinate space. A method is developed for separating out from
the general expansion the operators in which the spectral properties of the bilocal operators
can be fixed explicitly.
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