%0 Journal Article %A Belkacem Meziane %D 2022 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 181, 2022 %T On Deterministic Chaos: Disclosing the Missing Mathematics from the Lorenz-Haken Equations %U https://publications.waset.org/pdf/10012388 %V 181 %X The original 3D Lorenz-Haken equations -which describe laser dynamics- are converted into 2-second-order differential equations out of which the so far missing mathematics is extracted. Leaning on high-order trigonometry, important outcomes are pulled out: A fundamental result attributes chaos to forbidden periodic solutions, inside some precisely delimited region of the control parameter space that governs self-pulsing. %P 1 - 5