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On correct solvability of some non-stationary problems in two-dimensional weighted Stepanov spaces
  • Svetlana Pisareva
Svetlana Pisareva
Voronezh State University of Forestry and Technologies named after G F Morozov

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The article deals with the correct solvability of some dierential equations in two-dimensional weighted Stepanov spaces. The solution is sought by methods of semigroup theory and related methods using fractional powers of operators. The results of the paper are important for the theory of dierential equations in Stepanov's spaces. Also they are important and form a basis for computational methods for dierential equations considered based on explicit integral representations for solutions. The results are obtained using ideas of S.G.Krein on fractional powers of operators in Banach spaces.