9 citations · 12 across the 6 of their papers we have counts for
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math.DG2005★ 1 cited
The fundamental form of a second-order homogeneous Lagrangian in two variables
D. J. Saunders
We construct, for a second-order homogeneous Lagrangian in two independent variables, a differential 2-form with the property that it is closed precisely when the Lagrangian is nul…
math.DG2005★ 9 cited
Homogeneous variational complexes and bicomplexes
D. J. Saunders
We present a family of complexes playing the same role, for homogeneous variational problems, that the horizontal parts of the variational bicomplex play for variational problems o…