Explore theoretical physics concepts through this Ukrainian-language seminar presentation focusing on localized modes in arrays of parallel-connected Josephson junctions with impurities. Second-year PhD student Daryna Bukatova, under the supervision of Dr. Y.O. Zolotaryuk, delivers an in-depth analysis as part of the "Problems in Theoretical Physics" seminar series designed for students, postgraduates, and researchers. Gain insights into specialized physics topics including DNA analysis, theoretical physics principles, and scientific research methodologies through this academic presentation from the Bogolyubov Institute for Theoretical Physics.