E′-Convex Sets and Functions: Properties and Characterizations

M. D. Fajardo, J. Vidal

Approximate Proper Solutions in Vector Equilibrium Problems

C. Gutiérrez

Selected Applications of Linear Semi-Infinite Systems Theory

Miguel A. Goberna, Andrea B. Ridolfi, Virginia N. Vera de Serio

Circumcentered Methods Induced by Isometries

Heinz H. Bauschke, Hui Ouyang, Xianfu Wang

Generalized Solutions of Quasi-Variational-Like Problems

Truong Q. Bao, Niklas Hebestreit, Christiane Tammer

An Elementary Proof of the Pontryagin Maximum Principle

Alexander D. Ioffe

Orbital Geometry and Group Majorisation in Optimisation

Andrew Eberhard

Subdifferential of the Supremum via Compactification of the Index Set

R. Correa, A. Hantoute, M. A. López