Ideals with bases of unbounded Borel complexity. - Piotr Borodulin-Nadzieja; Szymon Glab (Math. Log. Q., 2011)

Cardinal coefficients associated to certain orders on ideals. - Piotr Borodulin-Nadzieja; Barnabás Farkas (Arch. Math. Log., 2012)

Representations of ideals in Polish Groups and in Banach Spaces. - Piotr Borodulin-Nadzieja; Barnabás Farkas; Grzegorz Plebanek (J. Symb. Log., 2015)

On Sequences of Homomorphisms Into Measure Algebras and the Efimov Problem. - Piotr Borodulin-Nadzieja; Damian Sobota (J. Symb. Log., 2023)

P-measures in models without P-points. - Piotr Borodulin-Nadzieja; Jonathan Cancino-Manríquez; Adam Morawski (Ann. Pure Appl. Log., 2025)