The uniqueness of the solution to inverse interpolation problems
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We prove that an arbitrary Banach couple is uniquely determined by the collection of intermediate spaces that are interpolation spaces for the operators of rank one. From this we deduce a confirmation to the conjecture by Yu. A. Brudnyi and N.Ya. Kruglyak that a Banach couple is uniquely determined by the collection of all its interpolation spaces. Some relevant problems are also analized.
Revised and translated form of "Research Institute of Mathematics and Mechanics, Preprint no. 95-2, Kazan Mathematics Foundation, Kazan, 1995. (Russian)"
Revised and translated form of "Research Institute of Mathematics and Mechanics, Preprint no. 95-2, Kazan Mathematics Foundation, Kazan, 1995. (Russian)"