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The Woodward-Hoffmann rules are, obviously, symmetry-based, but many of their rationalisations were prompted by experimental observations, and their predictions verified by judiciously engineered ...

The second workshop on “Symmetry and Perturbation Theory” served as a forum for discussing the relations between symmetry and perturbation theory, and this put in contact rather different communities.

In this correspondence, we construct some new quadratic bent functions in polynomial forms by using the theory of quadratic forms over finite fields. The results improve some previous work. Moreover, ...