On Some New Contractive Conditions in Complete Metric Spaces

by Jelena Vujaković, Eugen Ljajko, Mirjana Pavlović, Stojan Radenović
Published 2021-01-01

On Some New Jungck–Fisher–Wardowski Type Fixed Point Results

by Jelena Vujaković, Eugen Ljajko, Slobodan Radojević, Stojan Radenović
Published 2020-12-01

The Nullity, Rank, and Invertibility of Linear Combinations of <i>k</i>-Potent Matrices

by Marina Tošić, Eugen Ljajko, Nataša Kontrec, Vladica Stojanović
Published 2020-12-01