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2007

2007

A variational geometrical approach is applied to find the characteristic shape of the Mobius strip made of an inextensible… Expand

2005

2005

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

2000

2000

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

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

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

Highly Cited

1995

Highly Cited

1995

Yang-Mills models with compact gauge group coupled to matter fields are considered. The general tools developed in a companion… Expand

1995

1995

It is shown that the new formula for the field theory Poisson brackets arises naturally in the proposed extension of the formal… Expand

1994

1994

Developing ideas based on combinatorial formulas for characteristic classes we introduce the algebra modeling secondary… Expand

1993

1993

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

Highly Cited

1992