# research

## scientific interests

My scientific interests concentrate on the spaces of analytic functions and operators on this spaces. In particular I’m fond of Hardy, Bergman, Bloch and Dirichlet spaces and multipliers, Toeplitz and composition operators between these spaces.

## research articles

1. Compact Hankel Operators Between Distinct Hardy Spaces and Commutators
Integr. Equ. Oper. Theory 93, 58 (2021), with Karol Leśnik.
2. Carleson interpolating sequences for Banach spaces of analytic functions
Journal of the Institute of Mathematics of Jussieu (with Mikael Lindström, Mieczysław Mastyło, David Norrbo, and Michał Rzeczkowski)
3. Regularization for Lozanovskiĭ’s type factorization with applications
Ann. Acad. Sci. Fenn. Math. 45 (2020), 811–823 (with Karol Leśnik and Lech Maligranda)
4. Carleson measures on circular domains and canonical embeddings of Hardy spaces into function lattices
Banach J. Math. Anal. 13 (2019), no. 4, 864–883 (with Michał Rzeczkowski)
5. Composition operators on Banach spaces of analytic functions
Ann. Acad. Sci. Fenn. Math. 44 (2019), 601–613 (with Mieczysław Mastyło)
6. Spectra of weighted composition operators on abstract Hardy spaces
Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas 113 (2019), no. 1, 267–279
(with Ted Eklund, Mikael Lindström, and Michał Rzeczkowski)
7. A note on complex symmetric composition operators on the Bergman space $$A^2(\mathbb{D})$$
Funct. Approx. Comment. Math. 59 (2018), no. 1, 129–139 (with Ted Eklund and Mikael Lindström)
MathSciNet Review
8. Complex symmetric operators and interpolation
J. Math. Anal. Appl. 462 (2018), no. 1, 210–215 (with Radosław Szwedek)
MathSciNet Review
9. Interpolation of Hardy spaces on circular domains
Math. Nachr. 290 (2017), no. 14–15, 2322–2333 (with Radosław Szwedek)
MathSciNet Review
10. Hadamard multipliers and Abel dual of Hardy spaces
J. Funct. Spaces 2016, Art. ID 3262761, 7 pp.
MathSciNet Review
11. Spectral properties of weighted composition operators on the Bloch and Dirichlet spaces
Studia Math. 232 (2016), no. 2, 95−112 (with Ted Eklund and Mikael Lindström)
MathSciNet Review
12. On Beurling type theorem for abstract Hardy spaces
J. Math. Anal. Appl. 403 (2013), no. 1, 1−4
MathSciNet Review
13. Norm estimates for matrix operators between Banach spaces
Linear Algebra Appl. 438 (2013), no. 3, 986−1001 (with Mieczysław Mastyło)
MathSciNet Review
14. Solid hulls of quasi-Banach spaces of analytic functions and interpolation
Nonlinear Anal. 73 (2010), no. 1, 84−98. (with Mieczysław Mastyło)
MathSciNet Review
15. Absolutely summing multipliers on abstract Hardy spaces
Acta Math. Sin. 25 (2009), no. 6, 883−902 (Mieczysław Mastyło)
MathSciNet Review
16. Compact multipliers on spaces of analytic functions
Arch. Math. (Basel) 92 (2009), no. 4, 325−334
MathSciNet Review

## other texts

1. Samuel Dickstein, the founder of Wiadomości Matematyczne
Wiad. Mat. 48 (2012), no. 2, 331−334

## conferences

#### organized

1. Banach Spaces and Operator Theory with Applications
July 3−7, 2017, Poznań (Poland)
2. Joint Meeting of the German Mathematical Society (DMV) and the Polish Mathematical Society (PTM)
September 17−20, 2014, Poznań (Poland)
coorganizer (with Elke Wolf) of the session Spaces of analytic functions
3. The Józef Marcinkiewicz Centenary Conference
June 28 − July 2, 2010, Poznań (Poland)

#### participated

1. 30th International Workshop on Operator Theory and its Applications, IWOTA 2019
July 22−26, 2019, Lisboa (Portugal)
title of a talk: Selected properties of Hankel operators acting between different Hardy spaces
2. International Conference Harmonic Analysis and Approximations, VII
September 16−22, 2018, Tsaghkadzor (Armenia)
title of a talk: Selected properties of complex symmetric operators
3. Function Spaces XII
July 9−14, 2018, Cracow (Poland)
title of a talk: Selected properties of complex symmetric operators
4. Paweł Domański Memorial Conference
July 1−7, 2018, Będlewo (Poland)
title of a talk: Complex symmetric composition operators on spaces of analytic functions
5. International Conference on Complex Analysis, Potential Theory and Applications
June 11−15, 2018, Dublin (Ireland)
title of a talk: Complex symmetric operators
6. New perspectives in the theory of function spaces and their applications
September 17−23, 2017, Będlewo (Poland)
title of a talk: Spectra of weighted composition operators on spaces of analytic functions
7. Barcelona Analysis Conference
September 5–9, 2016, Barcelona (Spain)
title of a talk: Spectra of weighted composition operators on spaces of analytic functions
8. 5th Workshop on Fourier Analysis and Related Fields
August 24–28, 2015, Budapest (Hungary)
title of a talk: Solid hulls of spaces of analytic functions
9. Function Spaces XI
July 6–10, 2015, Zielona Góra (Poland)
title of a talk: Interpolation of Hardy spaces on circular domains
10. International Workshop on Operator Theory 2014
September 3–5, 2014, Belfast (Northern Ireland)
title of a talk: Extensions of integral type operators on Hardy spaces
11. Geometry of Banach Spaces – A conference in honor of Stanimir Troyanski
June 10–13, 2014, Albacete (Spain)
title of a talk: Solid hulls and coefficients of analytic functions on the unit disc
12. Function Spaces X
July 9–14, 2012, Poznań (Poland)
title of a talk: Norm estimates for matrix operators between Banach spaces
13. Ninth Advanced Course in Operator Theory and Complex Analysis
June 11–14, 2012, Sevilla (Spain)
title of a talk: On the Beurling type theorem for abstract Hardy spaces on the disc
14. Functional Analysis: Applications to Complex Analysis and Partial Differential Equations
May 6–12, 2012, Będlewo (Poland)
title of a talk: On Beurling type theorem for abstract Hardy spaces on the disc
15. III Winter School in Complex Analysis
February 2–5, 2010, Valencia (Spain)
title of a poster: Multipliers on abstract Hardy spaces of analytic functions on the disc
16. Spaces of analytic and smooth functions III
13–19 September, 2009, Będlewo (Poznań)
title of a talk: Multipliers on abstract Hardy spaces of analytic functions
17. Fifth International Workshop on Functional Analysis
7–13 September, 2008, Trier (Germany)
title of a talk: Operators on abstract Hardy spaces