Vol. 27 No. 1 (2021)

Articles

• Diffeomorphisms of foliated manifolds

  G. M. Abdishukurova, A. Ya. Narmanov

  1-9

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• On the Ritt condition on Locally Convex Vector Spaces

  A. Akrym, A. El Bakkali, A. Faouzi

  10-17

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• $n$-power-Posinormal Operators

  O. B. El Moctar

  18-24

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• On one problem of Yu. M. Berezansky

  Yu. V. Bogdansky

  25-30

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• Equality between different types of invertibility

  M. Karmouni, H. Boua

  31-36

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• A New Representation of Left and Right Generalized Drazin Invertible Operators

  Sofiane Messirdi, Sanaa Messirdi, B. Sadli, B. Messirdi

  37-43

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• New results on the existence of periodic solutions for a higher-order $p$-Laplacian neutral differential equation with multiple deviating arguments

  L. Moutaouekkil

  44-56

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• Asymptotically stable solutions of a nonlinear integral equation

  İ. Özdemir

  57-73

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• Absolutely summing polynomials

  J. Ribeiro, F. Santos

  74-87

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• Tensor product and variants of Weyl's type theorem for $p$-$w$-hyponormal operators

  M. H. M. Rashid

  88-102

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