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hep-th2019★ 3 cited
Noether Symmetries of Two-Field Cosmological Models
Lilia Anguelova, Elena Mirela Babalic, Calin Iuliu Lazaroiu
We summarize our work on "hidden" Noether symmetries of multifield cosmological models and the classification of those two-field cosmological models which admit such symmetries.
hep-th2019★ 14 cited
Hidden symmetries of two-field cosmological models
Lilia Anguelova, Elena Mirela Babalic, Calin Iuliu Lazaroiu
We determine the most general time-independent Noether symmetries of two-field cosmological models with rotationally-invariant scalar manifold metrics. In particular, we show that…