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math-ph2018
Decomposition of the Hessian matrix for action at choreographic three-body solutions with figure-eight symmetry
Toshiaki Fujiwara, Hiroshi Fukuda, Hiroshi Ozaki
We developed a method to calculate the eigenvalues and eigenfunctions of the second derivative (Hessian) of action at choreographic three-body solutions that have the same symmetri…
hep-ph2018
symmetric four-generation models for charged leptons
Teruyuki Kitabayashi, Hirona Matsumura, Kantaro Minakuchi +1
We propose symmetric four-generation models for charged leptons. Although an symmetric four-generation model has been already proposed, there are some additional symmet…