1. PERTURBED EIGENVALUE PROBLEMS: AN OVERVIEW. Authors: MARIA FĂRCĂȘEANU, ANDREI GRECU, MIHAI MIHĂILESCU, DENISA STANCU-DUMITRU.2. MONOTONICITY WITH RESPECT TO p OF THE BEST CONSTANTS ASSOCIATED WITH SOBOLEV IMMERSIONS OF TYPE W1,p0 (Ω)↪Lq (Ω) WHEN q∈{1,p,∞}. Authors: DENISA STANCU-DUMITRU, MIHAI MIHĂILESCU.