Algebraic structures are fundamental mathematical entities defined by sets equipped with operations that satisfy specific axioms, such as groups, rings, and fields. Function spaces, by contrast, are ...

Almost perfect nonlinear (APN) functions play a pivotal role in cryptography, particularly in securing symmetric key algorithms against differential attacks. Their algebraic properties, including ...

Mathematics of Operations Research, Vol. 41, No. 2 (May 2016), pp. 442-465 (24 pages) In view of solving nonsmooth and nonconvex problems involving complex constraints (like standard NLP problems), we ...