10 citations · 17 across the 5 of their papers we have counts for
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gr-qc2009
On the variational formulation of systems with non-holonomic constraints
D. H. Delphenich
In a previous article by the author, it was shown that one could effectively give a variational formulation to non-conservative mechanical systems by starting with the first variat…
gr-qc2005★ 4 cited
Projective geometry and special relativity
David Delphenich
Some concepts of real and complex projective geometry are applied to the fundamental physical notions that relate to Minkowski space and the Lorentz group. In particular, it is sho…
gr-qc2005★ 10 cited
Symmetries and pre-metric electromagnetism
David Delphenich
The equations of pre-metric electromagnetism are formulated as an exterior differential system on the bundle of exterior differential 2-forms over the spacetime manifold. The gener…