Abstract
We introduce an extension of the concept of variational derivative which allows us to derive an integral identity in the variational formalism. It is applied to characterize the kernel and range of the variational derivative and the divergence operator.
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References
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Galindo, A., to be published.
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Partially supported by the Junta de Energía Nuclear, Madrid.
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Galindo, A., Martínez Alonso, L. Kernels and ranges in the variational formalism. Lett Math Phys 2, 385–390 (1978). https://doi.org/10.1007/BF00400164
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DOI: https://doi.org/10.1007/BF00400164