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2010

2010

Multisymplecticity and the variational bicomplex are two subjects which have developed independently. Our main observation is… Expand

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2009

2009

We establish a group-invariant version of the variational bicomplex that is based on a general moving frame construction. The… Expand

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Review

2007

Review

2007

This paper reviews the moving frame approach to the construction of the invariant variational bicomplex. Applications include… Expand

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2005

2005

Abstract We present a family of complexes playing the same role, for homogeneous variational problems, that the horizontal parts… Expand

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2000

2000

We obtain the cohomology of the variational bicomplex on the infinite order jet space of a smooth fiber bundle in the class of… Expand

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2000

2000

We study the obstruction to the exactness of the variational complex for a field theory on an affine bundle.

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2000

2000

We study the obstruction to the exactness of the variational complex for a field theory on an affine bundle.

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1997

1997

The variational bicomplex of forms invariant under the symmetry algebra of the potential Kadomtsev-Petviashvili equation is… Expand

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1993

1993

We establish a group-invariant version of the variational bicomplex that is based on a general moving frame construction. The… Expand

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Highly Cited

1992