This article is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of mathematics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.MathematicsWikipedia:WikiProject MathematicsTemplate:WikiProject Mathematicsmathematics articles
Is this the curve describing the trajectory of a particle in the field of a linearly polarized wave? (see Landau-Lifshitz, Theor. Phys. Vol. 2, Probl. 48.1) Please confirm and update...
