TY - CHAP AU - Castrillón López, Marco AU - Gotay, Mark J. AU - Marsden, Jerrold E. A4 - Krupkova, Olga A4 - Saunders , David PY - 2009 SN - 978-1-60456-920-9 UR - https://hdl.handle.net/20.500.14352/53257 AB - We show how to \concatenate" variational principles over different bases into one over a single base, thereby providing a unifed Lagrangian treatment of interacting systems. As an example we study a Klein Gordon feld interacting with a mesically... LA - eng M2 - 117 PB - Nova Science Publisher TI - Concatenating Variational Principles and the Kinetic Stress-Energy-Momentum Tensor TY - book part ER -