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M. Ketelsen, S. Ramello, and P. Szewczyk.
Definable Henselian valuations in positive residue characteristic.
Journal of Symbolic Logic.
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A. Rzepka, P. Szewczyk.
Defect extensions and a characterization of tame fields.
Journal of Algebra, 630(15):68–91, 2023.
doi:10.1016/j.jalgebra.2023.03.043
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H. Ćmiel, F-V. Kuhlmann, P. Szewczyk.
Continuity of roots for polynomials over valued fields.
Communications in Algebra, 51(4), 1383–1412, 2022.
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P. Błaszkiewicz, H. Ćmiel, A. Linzi, P. Szewczyk.
Caristi-Kirk and Oettli-Théra Ball Spaces and applications.
Journal of Fixed Point Theory and Applications, 21(4), 2019.
doi:10.1007/s11784-019-0729-4