Symmetries and Applications of Differential Equations: In Memory of Nail H. Ibragimov (1939–2018)

Complex Systems: Fractionality, Time-delay and Synchronization

Long-range Interactions, Stochasticity and Fractional Dynamics: Dedicated to George M. Zaslavsky (1935—2008)

Hamiltonian Chaos Beyond the KAM Theory: Dedicated to George M. Zaslavsky (1935—2008)