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We prove that the most interesting operators in the Euler-Lagrange complex from the variational bicomplex in infinite order jet spaces are determined up to multiplicative constant by the naturality requirement, provided the fibres of fibred manifolds have sufficiently large dimension. This result clarifies several important phenomena of the variational calculus on fibred manifolds.
W. M. Mikulski. "Uniqueness results for operators in the variational sequence." Annales Polonici Mathematici 95.2 (2009): 125-133. <http://eudml.org/doc/280145>.
@article{W2009, abstract = {We prove that the most interesting operators in the Euler-Lagrange complex from the variational bicomplex in infinite order jet spaces are determined up to multiplicative constant by the naturality requirement, provided the fibres of fibred manifolds have sufficiently large dimension. This result clarifies several important phenomena of the variational calculus on fibred manifolds.}, author = {W. M. Mikulski}, journal = {Annales Polonici Mathematici}, keywords = {natural operator; variational bicomplex; Euler-Lagrange complex; interior Euler operator; Helmholtz operator}, language = {eng}, number = {2}, pages = {125-133}, title = {Uniqueness results for operators in the variational sequence}, url = {http://eudml.org/doc/280145}, volume = {95}, year = {2009}, }
TY - JOUR AU - W. M. Mikulski TI - Uniqueness results for operators in the variational sequence JO - Annales Polonici Mathematici PY - 2009 VL - 95 IS - 2 SP - 125 EP - 133 AB - We prove that the most interesting operators in the Euler-Lagrange complex from the variational bicomplex in infinite order jet spaces are determined up to multiplicative constant by the naturality requirement, provided the fibres of fibred manifolds have sufficiently large dimension. This result clarifies several important phenomena of the variational calculus on fibred manifolds. LA - eng KW - natural operator; variational bicomplex; Euler-Lagrange complex; interior Euler operator; Helmholtz operator UR - http://eudml.org/doc/280145 ER -