Tenreiro Machado, J. A.Luo, Albert2023-11-022023-11-022008http://hdl.handle.net/10400.22/23818The recognition of the unpredictability in science leads to the adoption of new concepts and ideas from emerging areas and autoorganizing systems as a rationalization of a priori improbable, but a posteriori important results in many research processes. In human history, many existing studies have provided milestones in the way we think and conduct research. However, some of them could not be assimilated during the time period of development of the theory and methodology. As some philosophers say, people see only what they are prepared to see.engDynamic systemsNonlinear dynamical systemsSpecial Issue on “Discontinuous and Fractional Dynamical Systems”journal article10.1115/1.2834905