Publications

(with X.-X. Gan) Formal multiplicative root series and algorithms of their eveluation, Communications in Algebra, 49(8)(2021), 3232-3240, DOI: 10.1080/00927872.2021.1892711
(with J. Gulgowski) On the characterization of compactness in the space of functions of bounded variation in the sense of Jordan, Journal of Mathematical Analysis and Applications, 484(2)(2020), 123752.
(with Ruidong Wang) On normed spaces with the Wigner property, Annals of Functional Analysis, 2020(2020), 1-17.
(with Ruidong Wang) On the topology of partial metric spaces, Mathematica Slovaka 70(1)(2020), 135-146.
(with P. Maćkowiak) Continuity of roots, revisited, Bulletin of the Australian Mathematical Society, 98(3)(2018), 448-455.
(with A. Nawrocki) Some remarks on almost periodic functions in view of the Lebesgue measure with applications to linear differential equations, Annales Academiae Scientiarum Fennicae Mathematica, 42(2017), 809-836.
(with K. Czudek, J. Gulgowski and J. Sadowski) On some nonlinear operators in ΛBV-spaces, Journal of Fixed Point Theory and Applications, 19(2017), 2785-2818.
(with M. Borkowski and A. Burchardt) On topological properties of metrics dened via generalized “linking construction”, Journal of Function Spaces, 2017(2017), 1-7.
(with X.-X. Gan) Some remarks on formal power series and formal Laurent series, Mathematica Slovaca, 67(3)(2017), 631-644.
(with D. Bugajewska, P. Kasprzak and P. Maćkowiak) Nonautonomous superposition operators in the spaces of functions of bounded variation, Topological Methods in Nonlinear Analysis, 48(2)(2016), 637-660.
(with J. Gulgowski and P. Kasprzak) On integral operators and nonlinear integral equations in the spaces of functions of bounded variation, Journal of Mathematical Analysis and Applications, 444(2016), 230-250.
(with J. Gulgowski and P. Kasprzak) On continuity and compactness of some nonlinear operators in the spaces of functions of bounded variation, Annali di Matematica Pura ed Applicata, 195(2016), 1513-1530.
(with P. Maćkowiak) On knife-edge conditions with unbounded growth, Journal of Macroeconomics, 45(2015), 274-285.
(with P. Kasprzak) Leggett-Williams type theorems with applications to nonlinear dierential and integral equations, Nonlinear Analysis, Theory Methods and Applications, 114(2015), 116-132.
(with X.-X. Gan and P. Kasprzak) Mappings of higher order and nonlinear equations in some spaces of almost periodic functions, Nonlinear Analysis, Theory Methods and Applications 75(13)(2012), 5294-5310.
(with P. Kasprzak) On mappings of higher order and their applications to nonlinear equations, Communications on Pure and Applied Analysis 11(2)(2012), 627-647.
(with X.-X. Gan) On formal Laurent series, Bulletin of the Brazilian Mathematical Society, New Series 42(3)(2011), 415-437.
(with X.-X. Gan) A note on formal power series, Commentationes Mathematicae Universitatis Carolinae 51(4)(2010), 595-604.
(with M. Borkowski and M. Zima) On some fixed point theorems for generalized contractions and their perturbations, Journal of Mathematical Analysis and Applications 367(2)(2010), 464-475.
(with M. Borkowski and D. Phulara) On some properties of hyperconvex spaces, Fixed Point Theory and Applications, 2010, Article ID 213812, 19 pages, 2010, DOI:10.1155// 2010//213812.
(with P. Kasprzak) Fixed point theorems for weakly F-contractive and strongly F-expansive mappings, Journal of Mathematical Analysis and Applications 359(1)(2009), 126-134.
(with D. Bugajewska and G. Lewicki) On nonlinear integral equations in the space of functions of bounded generalized variation, Journal of Integral Equations and Applications 21(1)(2009), 1-20.
(with M. Borkowski) On fixed point theorems of Leray-Schauder type, Proceedings of the American Mathematical Society 136(3)(2008), 973-980.
The existence and the uniqueness of solutions to nonlinear functional- differential and integral equations, International Journal of Applied Mathematics and Statistics 12(D07)(2007), 37-54.
(with T. Diagana) Almost automorhpy of the convolution operator and applications to differential and functional differential equations, Nonlinear Studies, 13(2)(2006), 129-140.
(with T. Diagana and C. Mahop) Asymptotic and pseudo almost periodicity of the convolution operator and applications to differential and integral equations, Zeischrift für Analysis und ihre Anwendungen, 25(2006), 327-340.
(with G.M. N’Guerekata) On some classes of almost periodic functions in abstract spaces, International Journal of Mathematics and Mathematical Sciences 2004(61)(2004), 3237-3247
(with G.M. N’Guerekata) On the topological structure of almost automorphic and asymptotically almost automorphic solutions of differential and integral equations in abstract spaces, Nonlinear Analysis, Theory Methods and Applications, 59(8)(2004), 1333-1345.
(with G.M. N’Guerekata) Almost periodicity in Fréchet spaces, Journal of Mathematical Analysis and Applications, 299(2004), 534-549.
(with D. Bugajewska) On nonlinear integral equations and nonabsolute convergent integrals, Special Issue of the Journal Dynamic Systems and Applications entitled Advances in Integral Equations, 14(2005), 135-148.
(with D. O’Regan) Existence results for BV-solutions of nonlinear integral equations, Journal of Integral Equations and Applications, 15(4)(2003), 343-357.
(with D. Bugajewska and H. Hudzik) BV_Φ-solutions of nonlinear integral equations, Journal of Mathematical Analysis and Applications 287(2003), 265-278.
(with M. Borkowski and H. Przybycień) On hyperconvex spaces revisited, Bulletin of the Australian Mathematical Society 68(2003), 191-203.
(with M. Zima) On the spectral radius of linearly bounded operators and existence results for functional-differential equations, Discrete and Continuous Dynamical Systems, A suplement Volume: Dynamical Sysytems and Differential Equations (edited by: W. Feng, S. Hu and X. Lu), 2003, 147-155.
On BV-solutions of some nonlinear integral equations, Integral Equations and Operator Theory 46(2003), 387-398.
(with M. Borkowski and H. Przybycień) Some remarks on hyperconvex metric spaces and the small ball property, Proceedings of the Sixth Conference Function Spaces, (World Scientic Publishing), Edited by R. Grząślewicz, Cz. Ryl-Nardzewski, H. Hudzik and J. Musielak, 90-99.
Fixed point theorems in locally convex spaces, Acta Mathematica Hungarica 98(4) (2003), 345-355.
(with R. Espinola) Measure of nonhyperconvexity and fixed point theorems, Abstract and Applied Analysis 2003(2)(2003), 111-119.
On fixed point theorems for absolute retracts, Mathematica Slovaca 51(4)(2001), 459-467.
(with D. Bugajewska) On topological properties of solution sets for differential equations in locally convex spaces, Nonlinear Analysis, Theory Methods and Applications 47(2001), 1211-1220.
On the Volterra integral equation and axiomatic measures of noncompactness, Mathematica Bohemica 126(1)(2001), 183-190.
(with D. Bugajewska) A note on differential and integral equations in locally convex spaces, Archivum Mathematicum 36(2000), 415-420.
Revisiting Carathéodory’s conditions, Real Analysis Exchange 25(2) (1999-2000), 899-906.
(with E. Grzelaczyk) A fixed point theorem for hyperconvex spaces, Archiv der Mathematik, 75(2000), 395-400.
(with R. Espinola) Remarks on some fixed point theorems for hyperconvex spaces and absolute retracts, Function Spaces the Fifth Conference (Lecture Notes in Pure and Applied Mathematics Series//213), edited by H. Hudzik and L. Skrzypczak, (2000), 85-92.
Fixed points theorems in hyperconvex spaces revisited, Nonlinear Operator Theory (special issue of Mathematical and Computer Modelling edited by R. P. Agarwal and D. O’Regan), 32(11-13)(2000), 1457-1461.
(with D. Wójtowicz) On generalized Carathéodory’s conditions in ordinary dierential equations, Mathematische Nachrichten 199(1999), 71-75.
(with D. Bugajewska) On nonlinear equations in Banach spaces and axiomatic measures of noncompactness, Functional Dierential Equations 5(1-2)(1998), 57-68.
(with E. Grzelaczyk) On the measures of noncompactness in some metric spaces, New Zealand Journal of Mathematics, 27(2)(1998), 177-182.
On the Volterra integral equation and the Henstock-Kurzweil integral, Mathematica Pannonica, 9(1)(1998), 141-145.
On some applications of theorems on spectral radius to differential equations, Zeischrift für Analysis und ihre Anwendungen, 16(2)(1997), 479-484.
(with D. Wójtowicz) On generalized Carathéodory’s conditions in ordinary dierential equations, Proceedings of the Prague Mathematical Conference, Praha, July 8-12, 1996.
On the structure of solution sets of dierential and integral equations, and the Perron integral, Proceedings of the Prague Mathematical Conference, Praha, July 8-12, 1996.
(with M. Zima) On the Darboux problem of neutral type, Bull. Austral. Math. Soc. 54(1996), 451-458.
Some applications of Vidossich’s theorem to differential equations, Suppl. Rend. Circ. Mat. Palermo, The proceedings of the Workshop “Functional Analysis: Methods and Applications”, Camigliatello Silano, May 29 – June 2 1995, Serie II, Suppl. 40(1996), 99-102.
On Aronszajn’s property for differential equations with approximate derivative and Denjoy integral, Polish Mathematical Society, Scientic Session, Torun, September 12-15, 1995.
(with D. Wójtowicz) On the equation x_ap⁽ⁿ⁾=f(t,x)”, Czech. Math. Journal 46(121)(1996), 325-330.
(with S. Szufla) On the Aronszajn property for differential equations and the Denjoy integral, Comment. Math. 35(1995), 61-69.
On differential and integral equations in locally convex spaces, Demonstr. Math. 28(4)(1995), 961-966.
Weak solutions of integral equations with weakly singular kernel in Banach spaces, Comment. Math. 34(1994), 49-59.
On the existence of weak solutions of integral equations in Banach spaces, Comment. Math. Univ. Carolinae 35(1994), 35-41.
(with S. Szufla) Existence theorems for differential and integral equations in locally convex spaces, Discuss. Math. 13(1993), 141-147.
(with S. Szufla) Kneser’s theorem for weak solutions of the Darboux problem in Banach spaces, Nonlinear Analysis 20(1993), 169-173.
Some remarks on Kuratowski’s measure of noncompactness in vector spaces with a metric, Comment. Math. 32(1992), 5-9.
On the Volterra integral equation in locally convex spaces, Demonstr. Math. 25(4)(1992), 747-754.
On the structure of the L^p1;p2-solution sets of Volterra integral equationsin Banach spaces, Comment. Math. 30(1991), 253-260.
(with S. Szufla) On the existence of L^p1;p2-solutions of the Hammerstein integral equations in Banach spaces, Math. Nachr. 151(1991), 295-301.