Andrzej Sołtysiak papers


We give below a list of 38 papers by Andrzej Sołtysiak. Titles of papers have been translated into English.


  1. A Sołtysiak, Capacity of finite systems of elements in Banach algebras, Comment. Math. Prace Mat. 19 (1976), no. 2, 381387.

  2. A Sołtysiak, Some remarks on the joint capacities in Banach algebras, Comment. Math. Prace Mat. 20 (1977), no. 1, 197204.

  3. A Sołtysiak, On Banach algebras with closed set of algebraic elements, Comment. Math. Prace Mat. 20 (1977), no. 2, 479484.

  4. A Sołtysiak, Algebraic elements in Banach algebras without nonzero quasinilpotents, Funct. Approx. Comment. Math. 12 (1982), 4547.

  5. A Sołtysiak, On quasi-algebraic elements of Banach algebra, Funct. Approx. Comment. Math. 14 (1984), 1516.

  6. A Sołtysiak, C K Fong, Existence of a multiplicative functional and joint spectra, Studia Math. 81 (1985), no. 2, 213220.

  7. A Sołtysiak, Approximate point joint spectra and multiplicative functionals, Studia Math. 86 (1987), no. 3, 277286.

  8. A Sołtysiak, V Müller, On the largest generalized joint spectrum, Comment. Math. Univ. Carolin. 29 (1988), no. 2, 255259.

  9. A Sołtysiak, Joint spectra and multiplicative functionals, Colloq. Math. 56 (1988), no. 2, 357366.

  10. A Sołtysiak, V Müller, Spectrum of generators of a noncommutative Banach algebra, Studia Math. 93 (1989), no. 1, 8795.

  11. A Sołtysiak, A note on the almost left and almost right joint spectra of R. Harte, Comment. Math. Univ. Carolin. 30 (1989), no. 2, 317320.

  12. A Sołtysiak, On CC^{∗} -algebras satisfying spectral maximum principles, Funct. Approx. Comment. Math. 18 (1989), 6771.

  13. A Sołtysiak, On joint spectra of operators on a Banach space isomorphic to its square, Colloq. Math. 57 (1989), no. 2, 331337.

  14. A Sołtysiak, On the projection property of approximate point joint spectra, Comment. Math. Prace Mat. 29 (1989), no. 1, 7984.

  15. A Sołtysiak, A note on weakly compact operators, Comment. Math. Prace Mat. 29 (1990), no. 2, 297300.

  16. A Sołtysiak, C K Fong, On the left and right joint spectra in Banach algebras, Studia Math. 97 (1990), no. 2, 151156.

  17. A Sołtysiak, S Szufla, Existence theorems for LϕL_{\phi} -solutions of the Hammerstein integral equation in Banach spaces, Comment. Math. Prace Mat. 30 (1990), no. 1, 177190.

  18. A Sołtysiak, On a certain class of subspectra, Comment. Math. Univ. Carolin. 32 (1991), no. 4, 715721.

  19. A Sołtysiak, V Müller, Spectral radius formula for commuting Hilbert space operators, Studia Math. 103 (1992), no. 3, 329333.

  20. A Sołtysiak, On the joint spectral radii of commuting Banach algebra elements, Studia Math. 105 (1993), no. 1, 9399.

  21. A Sołtysiak, A J Pride, On joint spectra of noncommuting normal operators, Bull. Austral. Math. Soc. 48 (1993), no. 1, 163170.

  22. A Sołtysiak, V Müller, On local joint capacities of operators, Czechoslovak Math. J. 43 (118) (1993), no. 4, 743751.

  23. A Sołtysiak, P Rosenthal, Formulas for the joint spectral radius of noncommuting Banach algebra elements, Proc. Amer. Math. Soc. 123 (1995), no. 9, 27052708.

  24. A Sołtysiak, R Berntzen, On a conjecture of Jarosz, Comment. Math. (Prace Mat.) 36 (1996), 3945.

  25. A Sołtysiak, R Berntzen, On strong generation of B(H)B(H) by two commutative CC^{∗} -algebras, Studia Math. 125 (1997), no. 2, 175178.

  26. A Sołtysiak, R Berntzen, The Harte spectrum need not be contained in the Taylor spectrum, Comment. Math. (Prace Mat.) 38 (1998), 2935.

  27. A Sołtysiak, On joint spectra of non-commuting hyponormal operators, Bull. Austral. Math. Soc. 64 (2001), no. 1, 131136.

  28. A Sołtysiak, The strong spectral extension property does not imply the multiplicative Hahn-Banach property, Studia Math. 153 (2002), no. 3, 297301.

  29. A Sołtysiak, M Chō, T Yamazaki, On approximate point joint spectrum of pp-hyponormal and log-hyponormal operators, Comment. Math. (Prace Mat.) 43 (2003), no. 1, 3341.

  30. A Sołtysiak, J Krzysztof (Eds), Topological algebras, their applications, and related topics, Polish Academy of Sciences, Institute of Mathematics, Warsaw, 2005. 411 pp.

  31. A Sołtysiak, On joint spectral radii in locally convex algebras, Studia Math. 175 (2006), no. 1, 7382.

  32. A Sołtysiak, Topological joint spectrum of generators and continuous characters (355362) in Function spaces, Contemp. Math., 435, AMS, vi+394 pp.

  33. A Sołtysiak, R J Loy, V (Eds), Banach algebras 2009, Polish Academy of Sciences, Institute of Mathematics, Warsaw, 2010. 454 pp.

  34. A Sołtysiak, A Wawrzyńczyk, Ditkin's condition and ideals with at most countable hull in algebras of functions analytic in the unit disk, Comment. Math. 52 (2012), no. 1, 101112.

  35. A Sołtysiak, A Wawrzyńczyk, Ideals with at most countable hull in certain algebras of functions analytic on the half-plane, Bol. Soc. Mat. Mexicana (3) 19 (2013), no. 1, 91100.

  36. A Sołtysiak, M Nowak, Toeplitz operators on backward shift invariant subspaces of HpH^{p}, J. Math. Anal. Appl. 481 (2020), no. 1, 123461, 10 pp.

  37. A Sołtysiak, M Nowak, P Sobolewski, M Wołoszkiewicz-Cyll, On kernels of Toeplitz operators, Anal. Math. Phys. 10 (2020), no. 4, Paper No. 85, 14 pp.

  38. A Sołtysiak, M Nowak, P Sobolewski, The orthogonal complement of M(a)M(a) in A(b)A(b), Studia Math. 260 (2021), no. 3, 327340.

Last Updated September 2023