On the (non)removability of spectral parameters in $Z_2$-graded zero-curvature representations and its applications
Acta Appl. Math. (2019) Vol.160, n.1, 129--167 We generalise to the $\mathbb{Z}_2$-graded set-up a practical method for inspecting the (non)removability of parameters in zero-curvature representations for partial differential equations (PDEs) under the action of smooth families of gauge transformati...
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Main Authors | , |
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Format | Journal Article |
Language | English |
Published |
30.01.2013
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Subjects | |
Online Access | Get full text |
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Summary: | Acta Appl. Math. (2019) Vol.160, n.1, 129--167 We generalise to the $\mathbb{Z}_2$-graded set-up a practical method for
inspecting the (non)removability of parameters in zero-curvature
representations for partial differential equations (PDEs) under the action of
smooth families of gauge transformations. We illustrate the generation and
elimination of parameters in the flat structures over $\mathbb{Z}_2$-graded
PDEs by analysing the link between deformation of zero-curvature
representations via infinitesimal gauge transformations and, on the other hand,
propagation of linear coverings over PDEs using the Fr\"olicher--Nijenhuis
bracket. |
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DOI: | 10.48550/arxiv.1301.7143 |